toybox: toys/pending/fdisk.c annotate

annotate toys/pending/fdisk.c @ 997:8b1814e4c987

Ashwini Sharma said that Kyungwan Han should be in the contact info for the commands he sent recently.

author	Rob Landley <rob@landley.net>
date	Sun, 11 Aug 2013 21:56:08 -0500
parents	8ff8b1befcdf
children	72bbeccf4565

rev	line source
989 8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1 /* fdisk.c - fdisk program to modify partitions on disk.
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	2 *
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	3 * Copyright 2012 Ashwini Kumar <ak.ashwini@gmail.com>
997 8b1814e4c987 Ashwini Sharma said that Kyungwan Han should be in the contact info for the commands he sent recently. Rob Landley <rob@landley.net> parents: 989 diff changeset	4 * Copyright 2013 Kyungwan Han <asura321@gmail.com>
989 8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	5 *
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	6 * No Standard.
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	7
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	8 USE_FDISK(NEWTOY(fdisk, "C#<0H#<0S#<0b#<512ul", TOYFLAG_SBIN))
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	9
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	10 config FDISK
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	11 bool "fdisk"
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	12 default n
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	13 help
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	14 usage: fdisk [-lu] [-C CYLINDERS] [-H HEADS] [-S SECTORS] [-b SECTSZ] DISK
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	15
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	16 Change partition table
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	17
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	18 -u Start and End are in sectors (instead of cylinders)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	19 -l Show partition table for each DISK, then exit
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	20 -b size sector size (512, 1024, 2048 or 4096)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	21 -C CYLINDERS Set number of cylinders/heads/sectors
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	22 -H HEADS
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	23 -S SECTORS
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	24 */
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	25
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	26 #define FOR_fdisk
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	27 #include "toys.h"
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	28 #include <linux/hdreg.h>
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	29
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	30 GLOBALS(
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	31 long sect_sz;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	32 long sectors;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	33 long heads;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	34 long cylinders;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	35 )
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	36
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	37 #define EXTENDED 0x05
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	38 #define WIN98_EXTENDED 0x0f
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	39 #define LINUX_NATIVE 0x83
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	40 #define LINUX_EXTENDED 0x85
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	41
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	42 #define SECTOR_SIZE 512
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	43 #define ONE_K 1024
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	44 #define PARTITION_MAX 60 //partition max is modifiable
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	45 #define IS_EXTENDED(i) ((i) == EXTENDED \|\| (i) == WIN98_EXTENDED \|\| (i) == LINUX_EXTENDED)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	46 #define sector(s) ((s) & 0x3f)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	47 #define cylinder(s, c) ((c) \| (((s) & 0xc0) << 2))
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	48
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	49 typedef off_t sector_t;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	50
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	51 struct partition {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	52 unsigned char boot_ind, head, sector, cyl, sys_ind, end_head,
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	53 end_sector, end_cyl, start4[4], size4[4];
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	54 };
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	55
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	56 struct part_entry {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	57 struct partition *part;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	58 char *sec_buffer;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	59 sector_t start_offset;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	60 int modified;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	61 };
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	62
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	63 struct part_types {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	64 int id;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	65 char type[PATH_MAX];
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	66 } sys_types[] = {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	67 {0x00, "Empty"}, {0x01, "FAT12"}, {0x04, "FAT16 <32M"}, {0x05, "Extended"},
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	68 {0x06, "FAT16"}, {0x07, "HPFS/NTFS"}, {0x0a, "OS/2 Boot Manager"},
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	69 {0x0b, "Win95 FAT32"}, {0x0c, "Win95 FAT32 (LBA)"}, {0x0e, "Win95 FAT16 (LBA)"},
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	70 {0x0f, "Win95 Ext'd (LBA)"}, {0x11, "Hidden FAT12"}, {0x12, "Compaq diagnostics"},
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	71 {0x14, "Hidden FAT16 <32M"}, {0x16, "Hidden FAT16"}, {0x17, "Hidden HPFS/NTFS"},
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	72 {0x1b, "Hidden Win95 FAT32"}, {0x1c, "Hidden W95 FAT32 (LBA)"}, {0x1e, "Hidden W95 FAT16 (LBA)"},
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	73 {0x3c, "Part.Magic recovery"}, {0x41, "PPC PReP Boot"}, {0x42, "SFS"},
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	74 {0x63, "GNU HURD or SysV"}, {0x80, "Old Minix"}, {0x81, "Minix / old Linux"},
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	75 {0x82, "Linux swap"}, {0x83, "Linux"}, {0x84, "OS/2 hidden C: drive"},
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	76 {0x85, "Linux extended"}, {0x86, "NTFS volume set"}, {0x87, "NTFS volume set"},
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	77 {0x8e, "Linux LVM"}, {0x9f, "BSD/OS"}, {0xa0, "Thinkpad hibernation"},
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	78 {0xa5, "FreeBSD"}, {0xa6, "OpenBSD"}, {0xa8, "Darwin UFS"}, {0xa9, "NetBSD"},
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	79 {0xab, "Darwin boot"}, {0xb7, "BSDI fs"}, {0xb8, "BSDI swap"},
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	80 {0xbe, "Solaris boot"}, {0xeb, "BeOS fs"}, {0xee, "EFI GPT"},
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	81 {0xef, "EFI (FAT-12/16/32)"}, {0xf0, "Linux/PA-RISC boot"},
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	82 {0xf2, "DOS secondary"}, {0xfd, "Linux raid autodetect"},
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	83 };
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	84
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	85 static int num_parts, disp_unit_cyl, dos_flag, dev_fd = 3;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	86 static long g_cylinders, g_heads, g_sectors, g_sect_size;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	87 static sector_t total_number_sectors, extended_offset;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	88 static char MBRbuf[2048], *disk_device;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	89 struct part_entry partitions[PARTITION_MAX];
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	90
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	91 static struct partition* part_offset(char *secbuf, int i)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	92 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	93 return (struct partition)(secbuf + 0x1be + i(sizeof(struct partition)));
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	94 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	95
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	96 static void set_levalue(unsigned char *cp, sector_t value )
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	97 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	98 uint32_t val = SWAP_LE32(value);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	99 memcpy(cp, (void*)&val, 4);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	100 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	101
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	102 static void set_hsc(struct partition *p, sector_t start, sector_t end)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	103 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	104 if (dos_flag && (start / (g_sectors * g_heads) > 1023))
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	105 start = g_heads * g_sectors * ONE_K - 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	106 p->sector = (start % g_sectors) + 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	107 start /= g_sectors;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	108 p->head = start % g_heads;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	109 start /= g_heads;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	110 p->cyl = start & 0xFF;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	111 p->sector \|= (start >> 2) & 0xc0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	112
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	113 if (dos_flag && (end / (g_sectors * g_heads) > 1023))
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	114 end = g_heads * g_sectors * ONE_K - 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	115 p->end_sector = (end % g_sectors) + 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	116 end /= g_sectors;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	117 p->end_head = end % g_heads;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	118 end /= g_heads;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	119 p->end_cyl = end & 0xFF;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	120 p->end_sector \|= (end >> 2) & 0xc0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	121 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	122
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	123 static int chs_warn(void)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	124 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	125 if (g_heads && g_sectors && g_cylinders)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	126 return 0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	127
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	128 printf("Unknown value(s) for:");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	129 if (!g_heads) printf(" heads");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	130 if (!g_sectors) printf(" sectors");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	131 if (!g_cylinders) printf(" cylinders");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	132 printf(". can set in the expert menu.\n");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	133 return 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	134 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	135
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	136 static void list_types(void)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	137 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	138 int i, adjust = 0, size = ARRAY_LEN(sys_types);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	139
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	140 if(size % 2) adjust = 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	141 for (i = 0; i < (size - adjust); i+=2)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	142 xprintf("%2x %-22s\t\t%2x %-22.22s\n", sys_types[i].id, sys_types[i].type,
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	143 sys_types[i+1].id, sys_types[i+1].type);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	144 if (adjust) xprintf("%2x %-22s\n",sys_types[size-1].id, sys_types[size-1].type);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	145 xputc('\n');
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	146 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	147
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	148 static int valid(long size)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	149 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	150 if (size == 512 \|\| size == 1024 \|\| size == 2048 \|\| size == 4096) return 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	151 else {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	152 toys.exithelp = 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	153 error_exit("");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	154 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	155 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	156
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	157 static void read_sec_sz()
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	158 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	159 int arg;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	160 if (ioctl(dev_fd, BLKSSZGET, &arg) == 0) g_sect_size = arg;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	161 if ((toys.optflags & FLAG_b) && valid(TT.sect_sz)) g_sect_size = TT.sect_sz;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	162 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	163
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	164 static sector_t read_size()
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	165 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	166 uint64_t sec64 = 0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	167 unsigned long sectors = 0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	168 if (ioctl(dev_fd, BLKGETSIZE64, &sec64) == 0) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	169 sec64 = sec64 >> 9; //convert to 512 block size.
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	170 if (sec64 != (uint32_t) sec64) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	171 perror_msg("device has more than 2^32 sectors, can't use all of them");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	172 sec64 = (uint32_t) - 1L;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	173 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	174 return sec64;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	175 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	176 if (ioctl(dev_fd, BLKGETSIZE, &sectors) == 0)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	177 if (sizeof(long) > sizeof(sector_t) && sectors != (sector_t)sectors)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	178 sectors = (uint32_t) - 1L;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	179 return sectors;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	180 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	181
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	182 static int validate_part_buff(char *buffer)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	183 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	184 if ((buffer[510] != 0x55) \|\| (buffer[511] != 0xAA)) return 0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	185 return 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	186 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	187
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	188 static int is_partition_clear(struct partition* p)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	189 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	190 int i = 0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	191 unsigned char res = 0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	192 const char ptr = (const char)p;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	193
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	194 for (i = 0; i < sizeof(struct partition); i++) res \|= (unsigned char)ptr[i];
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	195 return (res == 0x00);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	196 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	197
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	198 static uint32_t swap_le32toh(unsigned char *cp)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	199 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	200 uint32_t val;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	201 memcpy((void*)&val, cp, 4);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	202 return le32toh(val);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	203 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	204
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	205 static int check_order(void)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	206 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	207 sector_t first[num_parts], last_seen_val = 0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	208 int i;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	209 struct part_entry *pe;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	210 struct partition *px;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	211
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	212 for (i = 0; i < num_parts; i++) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	213 if (i == 4) last_seen_val = 0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	214 pe = &partitions[i];
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	215 px = pe->part;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	216 if (px->sys_ind) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	217 first[i] = swap_le32toh(px->start4) + pe->start_offset;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	218 if (last_seen_val > first[i]) return 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	219 last_seen_val = first[i];
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	220 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	221 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	222 return 0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	223 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	224
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	225 static void read_geometry(struct hd_geometry *disk)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	226 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	227 struct hd_geometry geometry;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	228
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	229 if (ioctl(dev_fd, HDIO_GETGEO, &geometry)) return;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	230 disk->heads = geometry.heads;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	231 disk->sectors = geometry.sectors;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	232 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	233
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	234 /* Read the extended boot record for the
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	235 * logical partion details.
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	236 */
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	237 static void read_ebr(int idx)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	238 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	239 char *sec_buf = NULL;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	240 sector_t offset = 0, local_start_off = 0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	241 struct partition p, q;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	242
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	243 q = p = partitions[idx].part;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	244 local_start_off = swap_le32toh(p->start4);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	245
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	246 if (!extended_offset) extended_offset = local_start_off;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	247 do {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	248 sec_buf = xzalloc(g_sect_size);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	249 partitions[num_parts].part = part_offset(sec_buf, 0);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	250 partitions[num_parts].sec_buffer = sec_buf;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	251 offset = swap_le32toh(q->start4);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	252
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	253 if (num_parts > 4) offset += local_start_off;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	254 partitions[num_parts].start_offset = offset;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	255 xlseek(dev_fd, (off_t)(offset * g_sect_size), SEEK_SET);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	256
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	257 if (g_sect_size != readall(dev_fd, sec_buf, g_sect_size)) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	258 close(dev_fd);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	259 error_exit("Couldn't read sector zero\n");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	260 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	261 num_parts++; //extended partions present.
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	262 q = part_offset(sec_buf, 1);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	263 } while (!is_partition_clear(q));
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	264 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	265
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	266 static void physical_HS(int* h, int *s)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	267 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	268 struct partition *p;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	269 int i, end_h, end_s, e_hh = 0, e_ss = 0, ini = 1, dirty = 0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	270 const unsigned char bufp = (const unsigned char )MBRbuf;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	271
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	272 if (!(validate_part_buff((char*)bufp))) return;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	273
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	274 for (i = 0; i < 4; i++) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	275 p = part_offset((char*)bufp, i);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	276 if (p->sys_ind) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	277 end_h = p->end_head + 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	278 end_s = (p->end_sector & 077);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	279 if (ini) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	280 e_hh = end_h;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	281 e_ss = end_s;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	282 ini = 0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	283 } else if (e_hh !=end_h \|\| e_ss != end_s)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	284 dirty = 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	285 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	286 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	287 if (!dirty && !ini) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	288 *h = e_hh;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	289 *s = e_ss;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	290 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	291 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	292
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	293 //Reset the primary partition table
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	294 static void reset_boot(int change)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	295 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	296 int i;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	297 for(i = 0; i < 4; i++) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	298 struct part_entry *pe = &partitions[i];
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	299 pe->part = part_offset(MBRbuf, i);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	300 pe->start_offset = 0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	301 pe->sec_buffer = MBRbuf;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	302 pe->modified = change;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	303 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	304 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	305
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	306 static inline void write_table_flag(char *buf)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	307 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	308 buf[510] = 0x55;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	309 buf[511] = 0xaa;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	310 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	311
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	312 /* free the buffers used for holding details of
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	313 * extended logical partions
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	314 */
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	315 static void free_bufs(void)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	316 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	317 int i = 4;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	318 for (; i < num_parts; i++) free(partitions[i].sec_buffer);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	319 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	320
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	321 static void create_empty_doslabel(void)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	322 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	323 xprintf("Building a new DOS Disklabel. The changes will\n"
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	324 "remain in memory only, until you write it.\n");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	325
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	326 num_parts = 4;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	327 extended_offset = 0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	328 memset(&MBRbuf[510 - 416], 0, 416);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	329 write_table_flag(MBRbuf);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	330 partitions[0].modified = 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	331 reset_boot(1);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	332 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	333
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	334 /* Read the Master Boot sector of the device for the
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	335 * partition table entries/details.
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	336 * If any extended partition is found then read the EBR
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	337 * for logical partition details
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	338 */
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	339 static int read_mbr(char *device, int validate)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	340 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	341 int fd, sector_fac, i, h = 0, s = 0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	342 struct hd_geometry disk;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	343 fd = open(device, O_RDWR);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	344 if(fd < 0) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	345 perror_msg("can't open '%s'",device);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	346 return 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	347 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	348
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	349 disk_device = strdup(device);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	350 if(fd != dev_fd) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	351 if(dup2(fd, dev_fd) != dev_fd) perror_exit("Can't dup2");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	352 close(fd);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	353 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	354
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	355 //read partition table - MBR
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	356 if (SECTOR_SIZE != readall(dev_fd, MBRbuf, SECTOR_SIZE)) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	357 close(dev_fd);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	358 perror_exit("Couldn't read sector zero\n");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	359 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	360 if (validate && !validate_part_buff(MBRbuf)) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	361 xprintf("Device contains neither a valid DOS "
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	362 "partition table, nor Sun, SGI, OSF or GPT "
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	363 "disklabel\n");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	364 create_empty_doslabel();
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	365 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	366
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	367 disk.heads = disk.sectors = 0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	368 read_geometry(&disk); //CHS values
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	369 total_number_sectors = read_size(); //Device size
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	370 read_sec_sz();
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	371 sector_fac = g_sect_size/SECTOR_SIZE; //512 is hardware sector size.
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	372 physical_HS(&h, &s); //physical dimensions may be diferent from HDIO_GETGEO
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	373 g_sectors = (toys.optflags & FLAG_S && TT.sectors)? TT.sectors : s? s : disk.sectors?disk.sectors : 63;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	374 g_heads = (toys.optflags & FLAG_H && TT.heads)? TT.heads : h? h : disk.heads? disk.heads : 255;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	375 g_cylinders = total_number_sectors/(g_heads * g_sectors * sector_fac);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	376
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	377 if (!g_cylinders) g_cylinders = toys.optflags & FLAG_C? TT.cylinders : 0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	378 if ((g_cylinders > ONE_K) && !(toys.optflags & (FLAG_l \| FLAG_S)))
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	379 xprintf("\nThe number of cylinders for this disk is set to %lu.\n"
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	380 "There is nothing wrong with that, but this is larger than 1024,\n"
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	381 "and could in certain setups cause problems.\n", g_cylinders);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	382 for (i = 0; i < num_parts; i++) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	383 if (IS_EXTENDED(partitions[i].part->sys_ind)) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	384 read_ebr(i);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	385 break;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	386 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	387 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	388 chs_warn();
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	389
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	390 return 0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	391 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	392
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	393 static char* get_type(int sys_ind)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	394 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	395 int i, size = ARRAY_LEN(sys_types);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	396 for (i = 0; i < size; i++)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	397 if (sys_ind == sys_types[i].id)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	398 return sys_types[i].type;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	399 return "Unknown";
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	400 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	401
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	402 static void consistency_check(const struct partition *p, int partition)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	403 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	404 unsigned physbc, physbh, physbs, physec, physeh, physes;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	405 unsigned lbc, lbh, lbs, lec, leh, les;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	406 sector_t start, end;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	407
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	408 if (!g_heads \|\| !g_sectors \|\| (partition >= 4)) return;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	409 // physical beginning c, h, s
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	410 physbc = cylinder(p->sector,p->cyl);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	411 physbh = p->head;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	412 physbs = sector(p->sector);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	413 // physical ending c, h, s
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	414 physec = cylinder(p->end_sector, p->end_cyl);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	415 physeh = p->end_head;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	416 physes = sector(p->end_sector);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	417 // logical begin and end CHS values
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	418 start = swap_le32toh((unsigned char*)(p->start4));
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	419 end = start + swap_le32toh((unsigned char*)(p->size4)) -1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	420
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	421 lbc = start/(g_sectors * g_heads);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	422 lbh = (start/g_sectors) % g_heads;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	423 lbs = (start % g_sectors) + 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	424
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	425 lec = end/(g_sectors * g_heads);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	426 leh = (end/g_sectors) % g_heads;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	427 les = (end % g_sectors) + 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	428
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	429 //Logical and Physical diff
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	430 if (g_cylinders <= ONE_K && (physbc != lbc \|\| physbh != lbh \|\| physbs != lbs)) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	431 xprintf("Partition %u has different physical/logical beginings (Non-Linux?): \n", partition+1);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	432 xprintf("phys = (%u %u %u) ",physbc, physbh, physbs);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	433 xprintf("logical = (%u %u %u)\n", lbc, lbh, lbs);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	434 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	435 if (g_cylinders <= ONE_K && (physec != lec \|\| physeh != leh \|\| physes != les)) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	436 xprintf("Partition %u has different physical/logical endings: \n", partition+1);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	437 xprintf("phys = (%u %u %u) ",physec, physeh, physes);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	438 xprintf("logical = (%u %u %u)\n", lec, leh, les);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	439 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	440 // Ending on cylinder boundary?
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	441 if (physeh != (g_heads - 1) \|\| physes != g_sectors)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	442 xprintf("Partition %u does not end on cylinder boundary\n", partition + 1);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	443 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	444
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	445 // List the partition details
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	446 static void list_partitions(int validate)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	447 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	448 struct partition *p;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	449 uint32_t start_cyl, end_cyl, start_sec, end_sec, blocks, secs;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	450 char boot, lastchar = '\0', *dev = disk_device;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	451 int i = 0, len = strlen(disk_device), odds = 0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	452
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	453 if (validate && !validate_part_buff(MBRbuf)) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	454 close(dev_fd);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	455 toys.exitval = 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	456 xprintf("Device %s: doesn't contain a valid partition table\n", disk_device);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	457 return;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	458 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	459 if (isdigit(dev[len - 1])) lastchar = 'p';
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	460
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	461 xprintf("%*s Boot Start End Blocks Id System\n", len+1, "Device");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	462 for (i = 0; i < num_parts; i++) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	463 p = partitions[i].part;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	464 if (is_partition_clear(p)) continue;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	465
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	466 boot = p->boot_ind == 0x80?'*':' ';
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	467 start_sec = swap_le32toh(p->start4) + partitions[i].start_offset;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	468 secs = swap_le32toh(p->size4);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	469
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	470 if ((start_sec + secs) == 0) end_sec = 0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	471 else end_sec = start_sec + secs -1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	472 start_cyl = start_sec/(g_heads * g_sectors) + 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	473 end_cyl = end_sec/(g_heads * g_sectors) + 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	474 blocks = secs;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	475 if (g_sect_size < ONE_K) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	476 blocks /= (ONE_K/g_sect_size);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	477 odds = secs %(ONE_K/g_sect_size);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	478 } else if (g_sect_size > ONE_K) blocks *= (g_sect_size/ONE_K);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	479
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	480 if (lastchar) xprintf("%s%c%d",dev, lastchar, i+1);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	481 else xprintf("%s%d",dev, i+1);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	482
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	483 xprintf(" %c %11u %11u %11u%c %2x %s\n",
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	484 boot,
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	485 disp_unit_cyl == 0? start_sec: start_cyl,
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	486 disp_unit_cyl == 0? end_sec: end_cyl,
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	487 blocks,odds?'+':' ', p->sys_ind, get_type(p->sys_ind));
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	488
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	489 consistency_check(p, i);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	490 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	491 if (check_order()) xprintf("\nPartition table entries are not in disk order");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	492 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	493
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	494 //Print device details
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	495 static void print_mbr(int validate)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	496 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	497 unsigned long long bytes = ((unsigned long long)total_number_sectors << 9);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	498 long mbytes = bytes/1000000;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	499
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	500 if (mbytes < 10000) xprintf("Disk %s: %lu MB, %llu bytes\n", disk_device, mbytes, bytes);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	501 else xprintf("Disk %s: %lu.%lu GB, %llu bytes\n", disk_device, mbytes/1000, (mbytes/100)%10, bytes);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	502 xprintf("%ld heads, %ld sectors/track, %ld cylinders", g_heads, g_sectors, g_cylinders);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	503 if (!disp_unit_cyl) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	504 xprintf(", total %lld sectors\n", total_number_sectors/(g_sect_size/SECTOR_SIZE));
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	505 xprintf("Units = sectors of 1 * %ld = %ld bytes\n",g_sect_size, g_sect_size);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	506 } else xprintf("\nUnits = cylinders of %ld * %ld = %ld bytes\n\n",
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	507 g_heads * g_sectors, g_sect_size, g_heads * g_sectors * g_sect_size);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	508 list_partitions(validate);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	509 xputc('\n');
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	510 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	511
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	512 static void init_members(void)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	513 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	514 int i = 0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	515 num_parts = 4; //max of primaries in a part table
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	516 disp_unit_cyl = dos_flag = 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	517 extended_offset = 0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	518 g_sect_size = SECTOR_SIZE;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	519 for (i = 0; i < num_parts; i++) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	520 partitions[i].part = part_offset(MBRbuf, i);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	521 partitions[i].sec_buffer = MBRbuf;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	522 partitions[i].modified = 0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	523 partitions[i].start_offset = 0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	524 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	525 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	526
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	527 static int read_input(char mesg, char outp)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	528 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	529 char *p;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	530 int size = 0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	531 redo:
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	532 xprintf("%s", mesg);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	533 p = fgets(toybuf, 80, stdin);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	534
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	535 if (!p \|\| !(size = strlen(p))) exit(0);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	536 if (p[size-1] == '\n') p[--size] = '\0';
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	537 if (!size) goto redo;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	538
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	539 while (p != '\0' && p <= ' ') p++;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	540 if (outp) memcpy(outp, p, strlen(p) + 1); //1 for nul
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	541 return *p;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	542 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	543
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	544 static int read_hex(char *mesg)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	545 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	546 int val;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	547 char input[80], *endp;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	548 while (1) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	549 read_input(mesg, input);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	550 if ((*input \| 0x20) == 'l') {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	551 list_types();
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	552 memset(input, 0, 80);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	553 continue;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	554 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	555 val = strtoul(input, &endp, 16);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	556 if (endp && *endp) continue;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	557 if (val <= 0xff) return val;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	558 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	559 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	560
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	561 /* Delete an exiting partition,
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	562 * if its primary, then just clear the partition details
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	563 * if extended, then clear the partition details, also for logical
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	564 * if only logical, then move the later partitions backwards 1 step
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	565 */
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	566 void delete_partition(int i)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	567 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	568 int sys_id, looper = 0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	569 struct partition p, q, ext_p, ext_q;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	570 sector_t new_start;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	571 struct part_entry *pe = &partitions[i];
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	572
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	573 if (chs_warn()) return;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	574 p = pe->part;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	575 sys_id = p->sys_ind;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	576 if (!sys_id) xprintf("Partition %u is empty\n", i+1);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	577
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	578 if (i < 4 && !IS_EXTENDED(sys_id)) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	579 memset(p, 0, sizeof(struct partition)); //clear_partition
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	580 pe->modified = 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	581 } else if (i < 4 && IS_EXTENDED(sys_id)) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	582 memset(p, 0, sizeof(struct partition)); //clear_partition
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	583 pe->modified = 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	584 for (looper = 4; looper < num_parts; looper++) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	585 pe = &partitions[looper];
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	586 p = pe->part;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	587 if (is_partition_clear(p)) break;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	588 else {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	589 memset(p, 0, sizeof(struct partition)); //clear_partition
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	590 pe->modified = 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	591 free(pe->sec_buffer);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	592 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	593 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	594 extended_offset = 0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	595 num_parts = 4;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	596 } else {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	597 //only logical is delete, need to move the rest of them backwards
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	598 if (i == 4) { //move partiton# 6 to 5.
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	599 partitions[i].modified = 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	600 if (num_parts > i+1) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	601 q = partitions[i + 1].part;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	602 p = q; //copy the part table
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	603 ext_p = part_offset(partitions[i].sec_buffer, 1);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	604 ext_q = part_offset(partitions[i + 1].sec_buffer, 1);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	605 ext_p = ext_q; //copy the extended info pointer
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	606 // change the start of the 4th partiton.
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	607 new_start = partitions[i + 1].start_offset + swap_le32toh(q->start4) - extended_offset;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	608 new_start = SWAP_LE32(new_start);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	609 memcpy(p->start4, (void *)&new_start, 4);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	610 } else {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	611 memset(partitions[i].part, 0, sizeof(struct partition));
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	612 return; //only logical
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	613 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	614 } else if (i > 4) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	615 ext_p = part_offset(partitions[i-1].sec_buffer, 1);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	616 ext_q = part_offset(partitions[i].sec_buffer, 1);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	617 memcpy((void)ext_p, (void )ext_q, sizeof(struct partition));
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	618 partitions[i-1].modified = 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	619 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	620 if (i == 4) looper = i+2;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	621 else if (i > 4) looper = i+1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	622 for (; looper < num_parts; looper++)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	623 partitions[looper-1] = partitions[looper];
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	624 num_parts--;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	625 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	626 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	627
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	628 static int ask_partition(int num_parts)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	629 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	630 int val;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	631 while (1) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	632 do {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	633 xprintf("Partition (%u - %u):", 1, num_parts);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	634 fgets(toybuf, 80, stdin);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	635 } while (!isdigit(*toybuf));
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	636 val = atoi(toybuf);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	637 if (val > 0 && val <= num_parts) return val;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	638 else xprintf("Invalid number entered\n");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	639 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	640 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	641
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	642 static void toggle_active_flag(int i)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	643 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	644 struct partition *p = partitions[i].part;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	645 if (is_partition_clear(p)) xprintf("Partition %u is empty\n", i+1);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	646
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	647 if (IS_EXTENDED(p->sys_ind) && !p->boot_ind)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	648 xprintf("WARNING: Partition %u is an extended partition\n", i + 1);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	649 p->boot_ind = p->boot_ind == 0x80?0 : 0x80;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	650 partitions[i].modified = 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	651 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	652
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	653 //Write the partition details from Buffer to Disk.
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	654 void write_table(void)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	655 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	656 int i =0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	657 struct part_entry *pe;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	658 sector_t offset;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	659
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	660 for (i = 0; i < 4; i++)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	661 if (partitions[i].modified) partitions[3].modified = 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	662
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	663 for (i = 3; i < num_parts; i++) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	664 pe = &partitions[i];
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	665 write_table_flag(pe->sec_buffer);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	666 offset = pe->start_offset;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	667 if (pe->modified == 1) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	668 xlseek(dev_fd, offset * g_sect_size, SEEK_SET);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	669 xwrite(dev_fd, pe->sec_buffer, g_sect_size);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	670 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	671 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	672 xprintf("The partition table has been altered.\n");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	673 xprintf("Calling ioctl() to re-read partition table\n");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	674 sync();
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	675 for (i = 4; i < num_parts; i++) free(partitions[i].sec_buffer);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	676 if(ioctl(dev_fd, BLKRRPART, NULL) < 0)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	677 perror_exit("WARNING: rereading partition table failed, kernel still uses old table");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	678
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	679 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	680
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	681 /* try to find a partition for deletion, if only
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	682 * one, then select the same, else ask from USER
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	683 */
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	684 static int get_non_free_partition(int max)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	685 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	686 int num = -1, i = 0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	687
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	688 for (i = 0; i < max; i++) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	689 if (!is_partition_clear(partitions[i].part)) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	690 if (num >= 0) goto get_from_user;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	691 num = i;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	692 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	693 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	694 (num >= 0) ? xprintf("Selected partition %d\n",num+1):
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	695 xprintf("No partition is defined yet!\n");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	696 return num;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	697 get_from_user:
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	698 return ask_partition(num_parts)-1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	699 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	700
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	701 /* a try at autodetecting an empty partition table entry,
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	702 * if multiple options then get USER's choce.
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	703 */
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	704 static int get_free_partition(int max)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	705 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	706 int num = -1, i = 0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	707
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	708 for (i = 0; i < max; i++) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	709 if (is_partition_clear(partitions[i].part)) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	710 if (num >= 0) goto get_from_user;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	711 num = i;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	712 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	713 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	714 (num >= 0) ? xprintf("Selected partition %d\n",num+1):
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	715 xprintf("All primary partitions have been defined already!\n");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	716 return num;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	717 get_from_user:
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	718 return ask_partition(4)-1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	719 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	720
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	721 //taking user input for partition start/end sectors/cyinders
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	722 static uint32_t ask_value(char *mesg, sector_t left, sector_t right, sector_t defalt)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	723 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	724 char *str = toybuf;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	725 uint32_t val;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	726 int use_default = 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	727
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	728 while (1) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	729 use_default = 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	730 do {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	731 xprintf("%s",mesg);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	732 fgets(str, 80, stdin);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	733 } while (!isdigit(str) && (str != '\n')
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	734 && (str != '-') && (str != '+') && (!isblank(*str)));
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	735 while (isblank(*str)) str++; //remove leading white spaces
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	736 if (str == '+' \|\| str == '-') {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	737 int minus = (*str == '-');
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	738 int absolute = 0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	739
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	740 val = atoi(str + 1);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	741 while (isdigit(*++str)) use_default = 0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	742
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	743 switch (*str) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	744 case 'c':
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	745 case 'C':
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	746 if (!disp_unit_cyl) val = g_heads g_sectors;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	747 break;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	748 case 'K':
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	749 absolute = ONE_K;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	750 break;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	751 case 'k':
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	752 absolute = 1000;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	753 break;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	754 case 'm':
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	755 case 'M':
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	756 absolute = 1000000;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	757 break;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	758 case 'g':
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	759 case 'G':
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	760 absolute = 1000000000;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	761 break;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	762 default:
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	763 break;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	764 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	765 if (absolute) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	766 unsigned long long bytes = (unsigned long long) val * absolute;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	767 unsigned long unit = (disp_unit_cyl && (g_heads * g_sectors))? g_heads * g_sectors : 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	768
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	769 unit = unit * g_sect_size;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	770 bytes += unit/2; // rounding
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	771 bytes /= unit;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	772 val = bytes;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	773 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	774 if (minus)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	775 val = -val;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	776 val += left;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	777 } else {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	778 val = atoi(str);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	779 while (isdigit(*str)) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	780 str++;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	781 use_default = 0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	782 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	783 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	784 if(use_default) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	785 val = defalt;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	786 xprintf("Using default value %lld\n", defalt);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	787 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	788 if (val >= left && val <= right) return val;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	789 else xprintf("Value out of range\n");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	790 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	791 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	792
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	793 //validating if the start given falls in a limit or not
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	794 static int validate(int start_index, sector_t* begin,sector_t* end, sector_t start
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	795 , int asked)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	796 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	797 int i, valid = 0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	798 for (i = start_index; i < num_parts; i++) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	799 if (start >= begin[i] && start <= end[i]) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	800 if (asked) xprintf("Sector %lld is already allocated\n",start);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	801 valid = 0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	802 break;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	803 } else valid = 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	804 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	805 return valid;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	806 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	807
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	808 //get the start sector/cylinder of a new partition
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	809 static sector_t ask_start_sector(int idx, sector_t* begin, sector_t* end, int ext_idx)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	810 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	811 sector_t start, limit, temp = 0, start_cyl, limit_cyl, offset = 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	812 char mesg[256];
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	813 int i, asked = 0, valid = 0, start_index = 0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	814
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	815 if (dos_flag) offset = g_sectors;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	816 start = offset;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	817 if (disp_unit_cyl) limit = (sector_t)g_sectors * g_heads * g_cylinders - 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	818 else limit = total_number_sectors - 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	819
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	820 if (disp_unit_cyl) //make the begin of every partition to cylnder boundary
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	821 for (i = 0; i < num_parts; i++)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	822 begin[i] = (begin[i]/(g_heads* g_sectors)) * (g_heads* g_sectors);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	823
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	824 if (idx >= 4) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	825 if (!begin[ext_idx] && extended_offset) begin[ext_idx] = extended_offset;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	826 start = begin[ext_idx] + offset;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	827 limit = end[ext_idx];
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	828 start_index = 4;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	829 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	830 do {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	831 if (asked) valid = validate(start_index, begin, end, start, asked);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	832 if (valid) break;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	833
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	834 find_start_again:
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	835 for (i = start_index; i < num_parts; i++)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	836 if (start >= begin[i] && start <= end[i])
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	837 start = end[i] + 1 + ((idx >= 4)? offset : 0);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	838
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	839 if (!validate(start_index, begin, end, start, 0)) goto find_start_again;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	840 start_cyl = start/(g_sectors * g_heads) + 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	841 limit_cyl = limit/(g_sectors * g_heads) + 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	842
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	843 if (start > limit) break;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	844 sprintf(mesg, "First %s (%lld - %lld, default %lld): ", disp_unit_cyl? "cylinder" : "sector",
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	845 (long long int)(disp_unit_cyl? start_cyl : start),
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	846 (long long int)(disp_unit_cyl? limit_cyl : limit),
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	847 (long long int)(disp_unit_cyl? start_cyl : start));
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	848 temp = ask_value(mesg, disp_unit_cyl? start_cyl : start,
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	849 disp_unit_cyl? limit_cyl : limit, disp_unit_cyl? start_cyl : start);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	850 asked = 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	851
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	852 if (disp_unit_cyl) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	853 // point to the cylinder start sector
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	854 temp = (temp-1) * g_heads * g_sectors;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	855 if (temp < start) //the boundary is falling in the already used sectors.
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	856 temp = start;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	857 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	858 start = temp;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	859 } while (asked && !valid);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	860 return start;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	861 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	862
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	863 //get the end sector/cylinder of a new partition
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	864 static sector_t ask_end_sector(int idx, sector_t* begin, sector_t* end, int ext_idx, sector_t start_sec)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	865 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	866 sector_t limit, temp = 0, start_cyl, limit_cyl, start = start_sec;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	867 char mesg[256];
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	868 int i;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	869
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	870 if (disp_unit_cyl) limit = (sector_t)g_sectors * g_heads * g_cylinders - 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	871 else limit = total_number_sectors - 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	872
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	873 if (disp_unit_cyl) //make the begin of every partition to cylnder boundary
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	874 for (i = 0; i < num_parts; i++)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	875 begin[i] = (begin[i]/(g_heads* g_sectors)) * (g_heads* g_sectors);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	876
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	877 if (idx >= 4) limit = end[ext_idx];
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	878
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	879 for (i = 0; i < num_parts; i++)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	880 if (start < begin[i] && limit >= begin[i]) limit = begin[i] - 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	881
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	882 start_cyl = start/(g_sectors * g_heads) + 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	883 limit_cyl = limit/(g_sectors * g_heads) + 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	884 if (limit < start) { //the boundary is falling in the already used sectors.
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	885 xprintf("No Free sectors available\n");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	886 return 0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	887 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	888 sprintf(mesg, "Last %s or +size or +sizeM or +sizeK (%lld - %lld, default %lld): ",
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	889 disp_unit_cyl? "cylinder" : "sector",
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	890 (long long int)(disp_unit_cyl? start_cyl : start),
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	891 (long long int)(disp_unit_cyl? limit_cyl : limit),
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	892 (long long int)(disp_unit_cyl? limit_cyl : limit));
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	893 temp = ask_value(mesg, disp_unit_cyl? start_cyl : start,
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	894 disp_unit_cyl? limit_cyl : limit, disp_unit_cyl? limit_cyl : limit);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	895
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	896 if (disp_unit_cyl) { // point to the cylinder start sector
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	897 temp = temp * g_heads * g_sectors - 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	898 if (temp > limit) temp = limit;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	899 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	900 if (temp < start) { //the boundary is falling in the already used sectors.
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	901 xprintf("No Free sectors available\n");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	902 return 0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	903 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	904 return temp;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	905 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	906
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	907 // add a new partition to the partition table
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	908 static int add_partition(int idx, int sys_id)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	909 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	910 int i, ext_idx = -1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	911 sector_t start, end, begin_sec[num_parts], end_sec[num_parts];
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	912 struct part_entry *pe = &partitions[idx];
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	913 struct partition *p = pe->part;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	914
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	915 if (p && !is_partition_clear(p)) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	916 xprintf("Partition %u is already defined, delete it to re-add\n", idx+1);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	917 return 0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	918 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	919 for (i = 0; i < num_parts; i++) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	920 pe = &partitions[i];
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	921 p = pe->part;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	922 if (is_partition_clear(p)) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	923 begin_sec[i] = 0xffffffff;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	924 end_sec[i] = 0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	925 } else {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	926 begin_sec[i] = swap_le32toh(p->start4) + pe->start_offset;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	927 end_sec[i] = begin_sec[i] + swap_le32toh(p->size4) - 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	928 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	929 if (IS_EXTENDED(p->sys_ind)) ext_idx = i;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	930 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	931 start = ask_start_sector(idx, begin_sec, end_sec, ext_idx);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	932 end = ask_end_sector(idx, begin_sec, end_sec, ext_idx, start);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	933 if (!end) return 0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	934 //Populate partition table entry - 16 bytes
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	935 pe = &partitions[idx];
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	936 p = pe->part;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	937
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	938 if (idx > 4) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	939 if (dos_flag) pe->start_offset = start - (sector_t)g_sectors;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	940 else pe->start_offset = start - 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	941 if (pe->start_offset == extended_offset) pe->start_offset++;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	942 if (!dos_flag) start++;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	943 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	944
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	945 set_levalue(p->start4, start - pe->start_offset);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	946 set_levalue(p->size4, end - start + 1);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	947 set_hsc(p, start, end);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	948 p->boot_ind = 0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	949 p->sys_ind = sys_id;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	950 pe->modified = 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	951
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	952 if (idx > 4) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	953 p = partitions[idx-1].part + 1; //extended pointer for logical partitions
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	954 set_levalue(p->start4, pe->start_offset - extended_offset);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	955 set_levalue(p->size4, end - start + 1 + (dos_flag? g_sectors: 1));
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	956 set_hsc(p, start, end);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	957 p->boot_ind = 0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	958 p->sys_ind = EXTENDED;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	959 partitions[idx-1].modified = 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	960 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	961 if (IS_EXTENDED(sys_id)) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	962 pe = &partitions[4];
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	963 pe->modified = 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	964 pe->sec_buffer = xzalloc(g_sect_size);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	965 pe->part = part_offset(pe->sec_buffer, 0);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	966 pe->start_offset = extended_offset = start;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	967 num_parts = 5;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	968 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	969 return 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	970 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	971
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	972 static void add_logical_partition(void)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	973 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	974 struct part_entry *pe;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	975 if (num_parts > 5 \|\| !is_partition_clear(partitions[4].part)) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	976 pe = &partitions[num_parts];
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	977 pe->modified = 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	978 pe->sec_buffer = xzalloc(g_sect_size);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	979 pe->part = part_offset(pe->sec_buffer, 0);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	980 pe->start_offset = 0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	981 num_parts++;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	982 if (!add_partition(num_parts - 1, LINUX_NATIVE)) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	983 num_parts--;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	984 free(pe->sec_buffer);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	985 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	986 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	987 else add_partition(num_parts -1, LINUX_NATIVE);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	988 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	989
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	990 /* Add a new partiton to the partition table.
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	991 * MAX partitions limit is taken to be 60, can be changed
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	992 */
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	993 static void add_new_partition(void)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	994 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	995 int choice, idx, i, free_part = 0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	996 char *msg = NULL;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	997
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	998 if (chs_warn()) return;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	999 for (i = 0; i < 4; i++) if(is_partition_clear(partitions[i].part)) free_part++;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1000
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1001 if (!free_part && num_parts >= 60) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1002 xprintf("The maximum number of partitions has been created\n");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1003 return;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1004 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1005 if (!free_part) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1006 if (extended_offset) add_logical_partition();
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1007 else xprintf("You must delete some partition and add "
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1008 "an extended partition first\n");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1009 return;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1010 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1011
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1012 msg = xmsprintf(" %s\n p primary partition(1-4)\n",
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1013 extended_offset? "l logical (5 or over)" : "e extended");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1014
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1015 choice = 0x20 \| read_input(msg, NULL);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1016 free(msg);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1017 if (choice == 'p') {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1018 idx = get_free_partition(4);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1019 if (idx >= 0) add_partition(idx, LINUX_NATIVE);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1020 return;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1021 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1022 if (choice =='l' && extended_offset) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1023 add_logical_partition();
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1024 return;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1025 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1026 if (choice == 'e' && !extended_offset) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1027 idx = get_free_partition(4);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1028 if (idx >= 0) add_partition(idx, EXTENDED);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1029 return;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1030 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1031 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1032
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1033 static void change_systype(void )
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1034 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1035 int i, sys_id;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1036 struct partition *p;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1037 struct part_entry *pe;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1038
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1039 i = ask_partition(num_parts);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1040 pe = &partitions[i-1];
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1041 p = pe->part;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1042 if (is_partition_clear(p)) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1043 xprintf("Partition %d doesn't exist yet!\n", i);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1044 return;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1045 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1046 sys_id = read_hex("Hex code (L to list codes): ");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1047 if ((IS_EXTENDED(p->sys_ind) && !IS_EXTENDED(sys_id)) \|\|
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1048 (!IS_EXTENDED(p->sys_ind) && IS_EXTENDED(sys_id))) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1049 xprintf("you can't change a partition to an extended or vice-versa\n");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1050 return;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1051 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1052
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1053 xprintf("Changed system type of partition %u to %0x (%s)\n",i, sys_id, get_type(sys_id));
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1054 p->sys_ind = sys_id;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1055 pe->modified = 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1056 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1057
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1058 static void check(int n, unsigned h, unsigned s, unsigned c, sector_t start)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1059 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1060 sector_t total, real_s, real_c;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1061
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1062 real_s = sector(s) - 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1063 real_c = cylinder(s, c);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1064 total = (real_c * g_sectors + real_s) * g_heads + h;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1065 if (!total) xprintf("Partition %u contains sector 0\n", n);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1066 if (h >= g_heads)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1067 xprintf("Partition %u: head %u greater than maximum %lu\n", n, h + 1, g_heads);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1068 if (real_s >= g_sectors)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1069 xprintf("Partition %u: sector %u greater than maximum %lu\n", n, s, g_sectors);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1070 if (real_c >= g_cylinders)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1071 xprintf("Partition %u: cylinder %lld greater than maximum %lu\n", n, real_c + 1, g_cylinders);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1072 if (g_cylinders <= ONE_K && start != total)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1073 xprintf("Partition %u: previous sectors %lld disagrees with total %lld\n", n, start, total);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1074 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1075
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1076 static void verify_table(void)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1077 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1078 int i, j, ext_idx = -1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1079 sector_t begin_sec[num_parts], end_sec[num_parts], total = 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1080 struct part_entry *pe;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1081 struct partition *p;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1082
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1083 for (i = 0; i < num_parts; i++) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1084 pe = &partitions[i];
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1085 p = pe->part;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1086 if (is_partition_clear(p) \|\| IS_EXTENDED(p->sys_ind)) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1087 begin_sec[i] = 0xffffffff;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1088 end_sec[i] = 0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1089 } else {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1090 begin_sec[i] = swap_le32toh(p->start4) + pe->start_offset;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1091 end_sec[i] = begin_sec[i] + swap_le32toh(p->size4) - 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1092 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1093 if (IS_EXTENDED(p->sys_ind)) ext_idx = i;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1094 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1095 for (i = 0; i < num_parts; i++) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1096 pe = &partitions[i];
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1097 p = pe->part;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1098 if (p->sys_ind && !IS_EXTENDED(p->sys_ind)) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1099 consistency_check(p, i);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1100 if ((swap_le32toh(p->start4) + pe->start_offset) < begin_sec[i])
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1101 xprintf("Warning: bad start-of-data in partition %u\n", i + 1);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1102 check(i + 1, p->end_head, p->end_sector, p->end_cyl, end_sec[i]);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1103 total += end_sec[i] + 1 - begin_sec[i];
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1104 for (j = 0; j < i; j++) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1105 if ((begin_sec[i] >= begin_sec[j] && begin_sec[i] <= end_sec[j])
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1106 \|\| ((end_sec[i] <= end_sec[j] && end_sec[i] >= begin_sec[j]))) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1107 xprintf("Warning: partition %u overlaps partition %u\n", j + 1, i + 1);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1108 total += begin_sec[i] >= begin_sec[j] ? begin_sec[i] : begin_sec[j];
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1109 total -= end_sec[i] <= end_sec[j] ? end_sec[i] : end_sec[j];
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1110 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1111 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1112 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1113 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1114 if (extended_offset) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1115 struct part_entry *pex = &partitions[ext_idx];
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1116 sector_t e_last = swap_le32toh(pex->part->start4) +
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1117 swap_le32toh(pex->part->size4) - 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1118
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1119 for (i = 4; i < num_parts; i++) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1120 total++;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1121 p = partitions[i].part;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1122 if (!p->sys_ind) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1123 if (i != 4 \|\| i + 1 < num_parts)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1124 xprintf("Warning: partition %u is empty\n", i + 1);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1125 } else if (begin_sec[i] < extended_offset \|\| end_sec[i] > e_last)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1126 xprintf("Logical partition %u not entirely in partition %u\n", i + 1, ext_idx + 1);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1127 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1128 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1129 if (total > g_heads * g_sectors * g_cylinders)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1130 xprintf("Total allocated sectors %lld greater than the maximum "
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1131 "%lu\n", total, g_heads * g_sectors * g_cylinders);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1132 else {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1133 total = g_heads * g_sectors * g_cylinders - total;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1134 if (total) xprintf("%lld unallocated sectors\n", total);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1135 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1136 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1137
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1138 static void move_begning(int idx)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1139 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1140 sector_t start, num, new_start, end;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1141 char mesg[256];
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1142 struct part_entry *pe = &partitions[idx];
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1143 struct partition *p = pe->part;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1144
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1145 if (chs_warn()) return;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1146 start = swap_le32toh(p->start4) + pe->start_offset;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1147 num = swap_le32toh(p->size4);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1148 end = start + num -1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1149
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1150 if (!num \|\| IS_EXTENDED(p->sys_ind)) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1151 xprintf("Partition %u doesn't have data area\n", idx+1);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1152 return;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1153 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1154 sprintf(mesg, "New begining of data (0 - %lld, default %lld): ",
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1155 (long long int)(end), (long long int)(start));
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1156 new_start = ask_value(mesg, 0, end, start);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1157 if (new_start != start) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1158 set_levalue(p->start4, new_start - pe->start_offset);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1159 set_levalue(p->size4, end - new_start +1);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1160 if ((read_input("Recalculate C/H/S (Y/n): ", NULL) \| 0x20) == 'y')
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1161 set_hsc(p, new_start, end);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1162 pe->modified = 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1163 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1164 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1165
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1166 static void print_raw_sectors()
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1167 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1168 int i, j;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1169 struct part_entry *pe;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1170
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1171 xprintf("Device: %s\n", disk_device);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1172 for (i = 3; i < num_parts; i++) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1173 pe = &partitions[i];
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1174 for (j = 0; j < g_sect_size; j++) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1175 if (!(j % 16)) xprintf("\n0x%03X: ",j);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1176 xprintf("%02X ",pe->sec_buffer[j]);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1177 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1178 xputc('\n');
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1179 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1180 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1181
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1182 static void print_partitions_list(int ext)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1183 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1184 int i;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1185 struct part_entry *pe;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1186 struct partition *p;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1187
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1188 xprintf("Disk %s: %lu heads, %lu sectors, %lu cylinders\n\n", disk_device, g_heads, g_sectors, g_cylinders);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1189 xprintf("Nr AF Hd Sec Cyl Hd Sec Cyl Start Size ID\n");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1190
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1191 for (i = 0; i < num_parts; i++) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1192 pe = &partitions[i];
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1193 p = pe->part;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1194 if (p) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1195 if (ext && (i >= 4)) p = pe->part + 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1196 if(ext && i < 4 && !IS_EXTENDED(p->sys_ind)) continue;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1197
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1198 xprintf("%2u %02x%4u%4u%5u%4u%4u%5u%11u%11u %02x\n",
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1199 i+1, p->boot_ind, p->head,
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1200 sector(p->sector), cylinder(p->sector, p->cyl),
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1201 p->end_head,
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1202 sector(p->end_sector), cylinder(p->end_sector, p->end_cyl),
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1203 swap_le32toh(p->start4),
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1204 swap_le32toh(p->size4),
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1205 p->sys_ind);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1206 if (p->sys_ind) consistency_check(p, i);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1207 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1208 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1209 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1210
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1211 //fix the partition table order to ascending
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1212 static void fix_order(void)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1213 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1214 sector_t first[num_parts], min;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1215 int i, j, oj, ojj, sj, sjj;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1216 struct part_entry *pe;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1217 struct partition px, py, temp, pj, pjj, tmp;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1218
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1219 for (i = 0; i < num_parts; i++) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1220 pe = &partitions[i];
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1221 px = pe->part;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1222 if (is_partition_clear(px)) first[i] = 0xffffffff;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1223 else first[i] = swap_le32toh(px->start4) + pe->start_offset;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1224 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1225
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1226 if (!check_order()) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1227 xprintf("Ordering is already correct\n\n");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1228 return;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1229 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1230 for (i = 0; i < 4; i++) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1231 for (j = 0; j < 3; j++) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1232 if (first[j] > first[j+1]) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1233 py = partitions[j+1].part;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1234 px = partitions[j].part;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1235 memcpy(&temp, py, sizeof(struct partition));
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1236 memcpy(py, px, sizeof(struct partition));
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1237 memcpy(px, &temp, sizeof(struct partition));
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1238 min = first[j+1];
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1239 first[j+1] = first[j];
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1240 first[j] = min;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1241 partitions[j].modified = 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1242 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1243 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1244 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1245 for (i = 5; i < num_parts; i++) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1246 for (j = 5; j < num_parts - 1; j++) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1247 oj = partitions[j].start_offset;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1248 ojj = partitions[j+1].start_offset;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1249 if (oj > ojj) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1250 partitions[j].start_offset = ojj;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1251 partitions[j+1].start_offset = oj;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1252 pj = partitions[j].part;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1253 set_levalue(pj->start4, swap_le32toh(pj->start4)+oj-ojj);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1254 pjj = partitions[j+1].part;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1255 set_levalue(pjj->start4, swap_le32toh(pjj->start4)+ojj-oj);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1256 set_levalue((partitions[j-1].part+1)->start4, ojj-extended_offset);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1257 set_levalue((partitions[j].part+1)->start4, oj-extended_offset);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1258 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1259 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1260 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1261 for (i = 4; i < num_parts; i++) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1262 for (j = 4; j < num_parts - 1; j++) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1263 pj = partitions[j].part;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1264 pjj = partitions[j+1].part;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1265 sj = swap_le32toh(pj->start4);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1266 sjj = swap_le32toh(pjj->start4);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1267 oj = partitions[j].start_offset;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1268 ojj = partitions[j+1].start_offset;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1269 if (oj+sj > ojj+sjj) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1270 tmp = *pj;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1271 pj = pjj;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1272 *pjj = tmp;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1273 set_levalue(pj->start4, ojj+sjj-oj);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1274 set_levalue(pjj->start4, oj+sj-ojj);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1275 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1276 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1277 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1278 // If anything changed
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1279 for (j = 4; j < num_parts; j++) partitions[j].modified = 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1280 xprintf("Done!\n");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1281 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1282
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1283 static void print_menu(void)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1284 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1285 xprintf("a\ttoggle a bootable flag\n");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1286 xprintf("b\tedit bsd disklabel\n");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1287 xprintf("c\ttoggle the dos compatibility flag\n");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1288 xprintf("d\tdelete a partition\n");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1289 xprintf("l\tlist known partition types\n");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1290 xprintf("n\tadd a new partition\n");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1291 xprintf("o\tcreate a new empty DOS partition table\n");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1292 xprintf("p\tprint the partition table\n");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1293 xprintf("q\tquit without saving changes\n");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1294 xprintf("s\tcreate a new empty Sun disklabel\n"); /* sun */
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1295 xprintf("t\tchange a partition's system id\n");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1296 xprintf("u\tchange display/entry units\n");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1297 xprintf("v\tverify the partition table\n");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1298 xprintf("w\twrite table to disk and exit\n");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1299 xprintf("x\textra functionality (experts only)\n");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1300 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1301
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1302 static void print_xmenu(void)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1303 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1304 xprintf("b\tmove beginning of data in a partition\n");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1305 xprintf("c\tchange number of cylinders\n");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1306 xprintf("d\tprint the raw data in the partition table\n");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1307 xprintf("e\tlist extended partitions\n");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1308 xprintf("f\tfix partition order\n");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1309 xprintf("h\tchange number of heads\n");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1310 xprintf("p\tprint the partition table\n");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1311 xprintf("q\tquit without saving changes\n");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1312 xprintf("r\treturn to main menu\n");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1313 xprintf("s\tchange number of sectors/track\n");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1314 xprintf("v\tverify the partition table\n");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1315 xprintf("w\twrite table to disk and exit\n");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1316 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1317
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1318 static void expert_menu(void)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1319 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1320 int choice, idx;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1321 sector_t value;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1322 char mesg[256];
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1323
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1324 while (1) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1325 xputc('\n');
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1326 char *msg = "Expert Command ('m' for help): ";
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1327 choice = 0x20 \| read_input(msg, NULL);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1328 switch (choice) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1329 case 'b': //move data begining in partition
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1330 idx = ask_partition(num_parts);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1331 move_begning(idx - 1);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1332 break;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1333 case 'c': //change cylinders
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1334 sprintf(mesg, "Number of cylinders (1 - 1048576, default %lu): ", g_cylinders);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1335 value = ask_value(mesg, 1, 1048576, g_cylinders);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1336 g_cylinders = TT.cylinders = value;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1337 toys.optflags \|= FLAG_C;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1338 if(g_cylinders > ONE_K)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1339 xprintf("\nThe number of cylinders for this disk is set to %lu.\n"
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1340 "There is nothing wrong with that, but this is larger than 1024,\n"
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1341 "and could in certain setups cause problems.\n", g_cylinders);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1342 break;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1343 case 'd': //print raw data in part tables
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1344 print_raw_sectors();
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1345 break;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1346 case 'e': //list extended partitions
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1347 print_partitions_list(1);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1348 break;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1349 case 'f': //fix part order
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1350 fix_order();
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1351 break;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1352 case 'h': //change number of heads
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1353 sprintf(mesg, "Number of heads (1 - 256, default %lu): ", g_heads);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1354 value = ask_value(mesg, 1, 256, g_heads);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1355 g_heads = TT.heads = value;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1356 toys.optflags \|= FLAG_H;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1357 break;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1358 case 'p': //print partition table
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1359 print_partitions_list(0);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1360 break;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1361 case 'q':
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1362 free_bufs();
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1363 close(dev_fd);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1364 xputc('\n');
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1365 exit(0);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1366 break;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1367 case 'r':
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1368 return;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1369 break;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1370 case 's': //change sector/track
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1371 sprintf(mesg, "Number of sectors (1 - 63, default %lu): ", g_sectors);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1372 value = ask_value(mesg, 1, 63, g_sectors);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1373 g_sectors = TT.sectors = value;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1374 toys.optflags \|= FLAG_H;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1375 break;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1376 case 'v':
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1377 verify_table();
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1378 break;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1379 case 'w':
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1380 write_table();
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1381 toys.exitval = 0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1382 exit(0);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1383 break;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1384 case 'm':
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1385 print_xmenu();
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1386 break;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1387 default:
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1388 xprintf("Unknown command '%c'\n",choice);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1389 print_xmenu();
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1390 break;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1391 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1392 } //while(1)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1393 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1394
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1395 static int disk_proper(const char *device)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1396 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1397 unsigned length;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1398 int fd = open(device, O_RDONLY);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1399
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1400 if (fd != -1) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1401 struct hd_geometry dev_geo;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1402 dev_geo.heads = 0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1403 dev_geo.sectors = 0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1404 int err = ioctl(fd, HDIO_GETGEO, &dev_geo);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1405 close(fd);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1406 if (!err) return (dev_geo.start == 0);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1407 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1408 length = strlen(device);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1409 if (length != 0 && isdigit(device[length - 1])) return 0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1410 return 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1411 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1412
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1413 static void reset_entries()
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1414 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1415 int i;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1416
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1417 memset(MBRbuf, 0, sizeof(MBRbuf));
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1418 for (i = 4; i < num_parts; i++)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1419 memset(&partitions[i], 0, sizeof(struct part_entry));
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1420 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1421
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1422 //this will keep dev_fd = 3 always alive
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1423 static void move_fd()
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1424 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1425 int fd = xopen("/dev/null", O_RDONLY);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1426 if(fd != dev_fd) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1427 if(dup2(fd, dev_fd) != dev_fd) perror_exit("Can't dup2");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1428 close(fd);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1429 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1430 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1431
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1432 /* Read proc/partitions and then print the details
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1433 * for partitions on each device
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1434 */
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1435 static void read_and_print_parts()
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1436 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1437 unsigned int ma, mi, sz;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1438 char name = toybuf, buffer = toybuf + ONE_K, *device = toybuf + 2048;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1439 FILE* fp = xfopen("/proc/partitions", "r");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1440
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1441 while (fgets(buffer, ONE_K, fp)) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1442 reset_entries();
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1443 num_parts = 4;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1444 memset(name, 0, sizeof(name));
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1445 if (sscanf(buffer, " %u %u %u %[^\n ]", &ma, &mi, &sz, name) != 4)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1446 continue;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1447
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1448 sprintf(device,"/dev/%s",name);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1449 if (disk_proper(device)) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1450 if (read_mbr(device, 0)) continue;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1451 print_mbr(1);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1452 move_fd();
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1453 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1454 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1455 fclose(fp);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1456 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1457
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1458 void fdisk_main(void)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1459 {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1460 int choice, p;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1461
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1462 init_members();
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1463 move_fd();
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1464 if (TT.heads >= 256) TT.heads = 0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1465 if (TT.sectors >= 64) TT.sectors = 0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1466 if (toys.optflags & FLAG_u) disp_unit_cyl = 0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1467 if (toys.optflags & FLAG_l) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1468 if (!toys.optc) read_and_print_parts();
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1469 else {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1470 while(*toys.optargs){
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1471 if (read_mbr(*toys.optargs, 0)) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1472 toys.optargs++;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1473 continue;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1474 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1475 print_mbr(1);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1476 move_fd();
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1477 toys.optargs++;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1478 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1479 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1480 toys.exitval = 0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1481 return;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1482 } else {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1483 if (!toys.optc \|\| toys.optc > 1 ) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1484 toys.exitval = toys.exithelp = 1;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1485 show_help();
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1486 return;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1487 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1488 if (read_mbr(toys.optargs[0], 1)) return;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1489 while (1) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1490 xputc('\n');
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1491 char *msg = "Command ('m' for help): ";
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1492 choice = 0x20 \| read_input(msg, NULL);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1493 switch (choice) {
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1494 case 'a':
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1495 p = ask_partition(num_parts);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1496 toggle_active_flag(p - 1); //partition table index start from 0.
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1497 break;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1498 case 'b':
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1499 break;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1500 case 'c':
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1501 dos_flag = !dos_flag;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1502 xprintf("Dos compatible flag is %s\n", dos_flag?"Set" : "Not set");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1503 break;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1504 case 'd':
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1505 p = get_non_free_partition(num_parts); //4 was here
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1506 if(p >= 0) delete_partition(p);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1507 break;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1508 case 'l':
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1509 list_types();
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1510 break;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1511 case 'n': //add new partition
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1512 add_new_partition();
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1513 break;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1514 case 'o':
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1515 create_empty_doslabel();
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1516 break;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1517 case 'p':
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1518 print_mbr(0);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1519 break;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1520 case 'q':
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1521 free_bufs();
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1522 close(dev_fd);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1523 xputc('\n');
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1524 exit(0);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1525 break;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1526 case 's':
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1527 break;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1528 case 't':
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1529 change_systype();
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1530 break;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1531 case 'u':
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1532 disp_unit_cyl = !disp_unit_cyl;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1533 xprintf("Changing Display/Entry units to %s\n",disp_unit_cyl?"cylinders" : "sectors");
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1534 break;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1535 case 'v':
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1536 verify_table();
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1537 break;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1538 case 'w':
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1539 write_table();
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1540 toys.exitval = 0;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1541 return;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1542 break;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1543 case 'x':
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1544 expert_menu();
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1545 break;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1546 case 'm':
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1547 print_menu();
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1548 break;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1549 default:
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1550 xprintf("%c: Unknown command\n",choice);
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1551 break;
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1552 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1553 } //while(1)
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1554 }
8ff8b1befcdf I have implemented FDISK command. Ashwini Sharma <ak.ashwini@gmail.com> parents: diff changeset	1555 }

Mercurial > hg > toybox

annotate toys/pending/fdisk.c @ 997:8b1814e4c987