toybox: toys/posix/df.c annotate

annotate toys/posix/df.c @ 1753:0f940c4f9658 draft

Promote runcon to android (and add an android menu).

author	Rob Landley <rob@landley.net>
date	Mon, 23 Mar 2015 13:45:47 -0500
parents	0c8ef714cf03
children	57f2a26fa92c

rev	line source
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	1 /* df.c - report free disk space.
2 67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: 1 diff changeset	2 *
233 d4176f3f3835 Zap toys/Config.in and instead create generated/Config.in from contents of Rob Landley <rob@landley.net> parents: 186 diff changeset	3 * Copyright 2006 Rob Landley <rob@landley.net>
156 1e8f4b05cb65 Remove trailing whitespace (thanks to Charlie Shepherd), and a couple comment Rob Landley <rob@landley.net> parents: 90 diff changeset	4 *
656 6df4ccc0acbe Regularize command headers, update links to standards documents. Rob Landley <rob@landley.net> parents: 653 diff changeset	5 * See http://opengroup.org/onlinepubs/9699919799/utilities/df.html
233 d4176f3f3835 Zap toys/Config.in and instead create generated/Config.in from contents of Rob Landley <rob@landley.net> parents: 186 diff changeset	6
1574 991f4d613388 Variant of a patch from Ashwini Sharma, making df /dev/node work and tweaking the spacing. Rob Landley <rob@landley.net> parents: 1321 diff changeset	7 USE_DF(NEWTOY(df, "Pkt*a[-Pk]", TOYFLAG_USR\|TOYFLAG_SBIN))
234 163498bf547b Move NEWTOY() list from end of toylist.h to generated/newtoys.h. Rob Landley <rob@landley.net> parents: 233 diff changeset	8
233 d4176f3f3835 Zap toys/Config.in and instead create generated/Config.in from contents of Rob Landley <rob@landley.net> parents: 186 diff changeset	9 config DF
1007 c05343c592fa Normalize df menu entry and tweak help text. Rob Landley <rob@landley.net> parents: 897 diff changeset	10 bool "df"
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	11 default y
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	12 help
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	13 usage: df [-t type] [FILESYSTEM ...]
233 d4176f3f3835 Zap toys/Config.in and instead create generated/Config.in from contents of Rob Landley <rob@landley.net> parents: 186 diff changeset	14
1007 c05343c592fa Normalize df menu entry and tweak help text. Rob Landley <rob@landley.net> parents: 897 diff changeset	15 The "disk free" command shows total/used/available disk space for
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	16 each filesystem listed on the command line, or all currently mounted
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	17 filesystems.
233 d4176f3f3835 Zap toys/Config.in and instead create generated/Config.in from contents of Rob Landley <rob@landley.net> parents: 186 diff changeset	18
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	19 -P The SUSv3 "Pedantic" option
1196 37ea9dff9c27 Tweak help text. Rob Landley <rob@landley.net> parents: 1033 diff changeset	20 -k Sets units back to 1024 bytes (the default without -P)
1574 991f4d613388 Variant of a patch from Ashwini Sharma, making df /dev/node work and tweaking the spacing. Rob Landley <rob@landley.net> parents: 1321 diff changeset	21 -t type Display only filesystems of this type.
233 d4176f3f3835 Zap toys/Config.in and instead create generated/Config.in from contents of Rob Landley <rob@landley.net> parents: 186 diff changeset	22
1196 37ea9dff9c27 Tweak help text. Rob Landley <rob@landley.net> parents: 1033 diff changeset	23 Pedantic provides a slightly less useful output format dictated by Posix,
37ea9dff9c27 Tweak help text. Rob Landley <rob@landley.net> parents: 1033 diff changeset	24 and sets the units to 512 bytes instead of the default 1024 bytes.
233 d4176f3f3835 Zap toys/Config.in and instead create generated/Config.in from contents of Rob Landley <rob@landley.net> parents: 186 diff changeset	25 */
2 67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: 1 diff changeset	26
674 7e846e281e38 New build infrastructure to generate FLAG_ macros and TT alias, #define FOR_commandname before #including toys.h to trigger it. Rename DEFINE_GLOBALS() to just GLOBALS() (because I could never remember if it was DECLARE_GLOBALS). Convert existing commands to use new infrastructure, and replace optflag constants with FLAG_ macros where appropriate. Rob Landley <rob@landley.net> parents: 656 diff changeset	27 #define FOR_df
1 59d58fab67c6 Next snapshot. Tries to grab something out of lib in order to build, I have landley@driftwood parents: diff changeset	28 #include "toys.h"
59d58fab67c6 Next snapshot. Tries to grab something out of lib in order to build, I have landley@driftwood parents: diff changeset	29
674 7e846e281e38 New build infrastructure to generate FLAG_ macros and TT alias, #define FOR_commandname before #including toys.h to trigger it. Rename DEFINE_GLOBALS() to just GLOBALS() (because I could never remember if it was DECLARE_GLOBALS). Convert existing commands to use new infrastructure, and replace optflag constants with FLAG_ macros where appropriate. Rob Landley <rob@landley.net> parents: 656 diff changeset	30 GLOBALS(
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	31 struct arg_list *fstype;
237 7cb15eae1664 Zap toylist.h, moving contents of global structures into DEFINE_GLOBALS() Rob Landley <rob@landley.net> parents: 234 diff changeset	32
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	33 long units;
237 7cb15eae1664 Zap toylist.h, moving contents of global structures into DEFINE_GLOBALS() Rob Landley <rob@landley.net> parents: 234 diff changeset	34 )
7cb15eae1664 Zap toylist.h, moving contents of global structures into DEFINE_GLOBALS() Rob Landley <rob@landley.net> parents: 234 diff changeset	35
7 fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices. landley@driftwood parents: 2 diff changeset	36 static void show_mt(struct mtab_list *mt)
fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices. landley@driftwood parents: 2 diff changeset	37 {
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	38 int len;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	39 long long size, used, avail, percent, block;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	40 char *device;
7 fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices. landley@driftwood parents: 2 diff changeset	41
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	42 // Return if it wasn't found (should never happen, but with /etc/mtab...)
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	43 if (!mt) return;
7 fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices. landley@driftwood parents: 2 diff changeset	44
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	45 // If we have -t, skip other filesystem types
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	46 if (TT.fstype) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	47 struct arg_list *al;
7 fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices. landley@driftwood parents: 2 diff changeset	48
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	49 for (al = TT.fstype; al; al = al->next)
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	50 if (!strcmp(mt->type, al->arg)) break;
7 fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices. landley@driftwood parents: 2 diff changeset	51
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	52 if (!al) return;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	53 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	54
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	55 // If we don't have -a, skip synthetic filesystems
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	56 if (!(toys.optflags & FLAG_a) && !mt->statvfs.f_blocks) return;
7 fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices. landley@driftwood parents: 2 diff changeset	57
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	58 // Figure out how much total/used/free space this filesystem has,
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	59 // forcing 64-bit math because filesystems are big now.
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	60 block = mt->statvfs.f_bsize ? mt->statvfs.f_bsize : 1;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	61 size = (block * mt->statvfs.f_blocks) / TT.units;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	62 used = (block * (mt->statvfs.f_blocks-mt->statvfs.f_bfree)) / TT.units;
1574 991f4d613388 Variant of a patch from Ashwini Sharma, making df /dev/node work and tweaking the spacing. Rob Landley <rob@landley.net> parents: 1321 diff changeset	63 avail = (block*(getuid()?mt->statvfs.f_bavail:mt->statvfs.f_bfree))/TT.units;
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	64 if (!(used+avail)) percent = 0;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	65 else {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	66 percent = (used*100)/(used+avail);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	67 if (used100 != percent(used+avail)) percent++;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	68 }
7 fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices. landley@driftwood parents: 2 diff changeset	69
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	70 device = *mt->device == '/' ? realpath(mt->device, NULL) : NULL;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	71 if (!device) device = mt->device;
681 44904c7212e7 Follow symlinks to get actual device name, getmountlist() reverses order for us now, detect stdout to full device. Rob Landley <rob@landley.net> parents: 674 diff changeset	72
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	73 // Figure out appropriate spacing
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	74 len = 25 - strlen(device);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	75 if (len < 1) len = 1;
1574 991f4d613388 Variant of a patch from Ashwini Sharma, making df /dev/node work and tweaking the spacing. Rob Landley <rob@landley.net> parents: 1321 diff changeset	76 xprintf("%s% lld % 10lld % 10lld % lld%% %s\n", device, len,
991f4d613388 Variant of a patch from Ashwini Sharma, making df /dev/node work and tweaking the spacing. Rob Landley <rob@landley.net> parents: 1321 diff changeset	77 size, used, avail, (toys.optflags & FLAG_P) ? 7 : 3, percent, mt->dir);
681 44904c7212e7 Follow symlinks to get actual device name, getmountlist() reverses order for us now, detect stdout to full device. Rob Landley <rob@landley.net> parents: 674 diff changeset	78
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	79 if (device != mt->device) free(device);
7 fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices. landley@driftwood parents: 2 diff changeset	80 }
fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices. landley@driftwood parents: 2 diff changeset	81
186 25447caf1b4b Change command main() functions to return void, and exit(toys.exitval) from Rob Landley <rob@landley.net> parents: 164 diff changeset	82 void df_main(void)
1 59d58fab67c6 Next snapshot. Tries to grab something out of lib in order to build, I have landley@driftwood parents: diff changeset	83 {
1321 4d898affda0c Switch mtab_list to doubly linked so we can traverse in either order. Convert umount and df. Add dlist_terminate() to break lists for traversal in either direction. Rob Landley <rob@landley.net> parents: 1224 diff changeset	84 struct mtab_list mt, mtstart, *mtend;
1574 991f4d613388 Variant of a patch from Ashwini Sharma, making df /dev/node work and tweaking the spacing. Rob Landley <rob@landley.net> parents: 1321 diff changeset	85 int p = toys.optflags & FLAG_P;
2 67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: 1 diff changeset	86
1574 991f4d613388 Variant of a patch from Ashwini Sharma, making df /dev/node work and tweaking the spacing. Rob Landley <rob@landley.net> parents: 1321 diff changeset	87 // Units are 512 bytes if you select "pedantic" without "kilobytes".
991f4d613388 Variant of a patch from Ashwini Sharma, making df /dev/node work and tweaking the spacing. Rob Landley <rob@landley.net> parents: 1321 diff changeset	88 TT.units = p ? 512 : 1024;
1714 0c8ef714cf03 Patches from Elliott Hughes to fix various printf() format strings. Rob Landley <rob@landley.net> parents: 1574 diff changeset	89 xprintf("Filesystem%8s-blocks\tUsed Available %s Mounted on\n",
1574 991f4d613388 Variant of a patch from Ashwini Sharma, making df /dev/node work and tweaking the spacing. Rob Landley <rob@landley.net> parents: 1321 diff changeset	90 p ? "512" : "1K", p ? "Capacity" : "Use%");
7 fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices. landley@driftwood parents: 2 diff changeset	91
1321 4d898affda0c Switch mtab_list to doubly linked so we can traverse in either order. Convert umount and df. Add dlist_terminate() to break lists for traversal in either direction. Rob Landley <rob@landley.net> parents: 1224 diff changeset	92 if (!(mtstart = xgetmountlist(0))) return;
4d898affda0c Switch mtab_list to doubly linked so we can traverse in either order. Convert umount and df. Add dlist_terminate() to break lists for traversal in either direction. Rob Landley <rob@landley.net> parents: 1224 diff changeset	93 mtend = dlist_terminate(mtstart);
7 fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices. landley@driftwood parents: 2 diff changeset	94
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	95 // If we have a list of filesystems on the command line, loop through them.
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	96 if (*toys.optargs) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	97 char **next;
7 fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices. landley@driftwood parents: 2 diff changeset	98
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	99 for(next = toys.optargs; *next; next++) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	100 struct stat st;
7 fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices. landley@driftwood parents: 2 diff changeset	101
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	102 // Stat it (complain if we can't).
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	103 if(stat(*next, &st)) {
1574 991f4d613388 Variant of a patch from Ashwini Sharma, making df /dev/node work and tweaking the spacing. Rob Landley <rob@landley.net> parents: 1321 diff changeset	104 perror_msg("'%s'", *next);
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	105 continue;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	106 }
7 fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices. landley@driftwood parents: 2 diff changeset	107
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	108 // Find and display this filesystem. Use _last_ hit in case of
1224 3aba6950b886 Clarify an unclear comment pointed out by Steve Long. Rob Landley <rob@landley.net> parents: 1196 diff changeset	109 // overmounts (which is first hit in the reversed list).
1321 4d898affda0c Switch mtab_list to doubly linked so we can traverse in either order. Convert umount and df. Add dlist_terminate() to break lists for traversal in either direction. Rob Landley <rob@landley.net> parents: 1224 diff changeset	110 for (mt = mtend; mt; mt = mt->prev) {
1574 991f4d613388 Variant of a patch from Ashwini Sharma, making df /dev/node work and tweaking the spacing. Rob Landley <rob@landley.net> parents: 1321 diff changeset	111 if (st.st_dev == mt->stat.st_dev
991f4d613388 Variant of a patch from Ashwini Sharma, making df /dev/node work and tweaking the spacing. Rob Landley <rob@landley.net> parents: 1321 diff changeset	112 \|\| (st.st_rdev && (st.st_rdev == mt->stat.st_dev)))
991f4d613388 Variant of a patch from Ashwini Sharma, making df /dev/node work and tweaking the spacing. Rob Landley <rob@landley.net> parents: 1321 diff changeset	113 {
1321 4d898affda0c Switch mtab_list to doubly linked so we can traverse in either order. Convert umount and df. Add dlist_terminate() to break lists for traversal in either direction. Rob Landley <rob@landley.net> parents: 1224 diff changeset	114 show_mt(mt);
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	115 break;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	116 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	117 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	118 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	119 } else {
1321 4d898affda0c Switch mtab_list to doubly linked so we can traverse in either order. Convert umount and df. Add dlist_terminate() to break lists for traversal in either direction. Rob Landley <rob@landley.net> parents: 1224 diff changeset	120 // Loop through mount list to filter out overmounts.
4d898affda0c Switch mtab_list to doubly linked so we can traverse in either order. Convert umount and df. Add dlist_terminate() to break lists for traversal in either direction. Rob Landley <rob@landley.net> parents: 1224 diff changeset	121 for (mt = mtend; mt; mt = mt->prev) {
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	122 struct mtab_list mt2, mt3;
7 fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices. landley@driftwood parents: 2 diff changeset	123
1321 4d898affda0c Switch mtab_list to doubly linked so we can traverse in either order. Convert umount and df. Add dlist_terminate() to break lists for traversal in either direction. Rob Landley <rob@landley.net> parents: 1224 diff changeset	124 // 0:0 is LANANA null device
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	125 if (!mt->stat.st_dev) continue;
7 fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices. landley@driftwood parents: 2 diff changeset	126
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	127 // Filter out overmounts.
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	128 mt3 = mt;
1321 4d898affda0c Switch mtab_list to doubly linked so we can traverse in either order. Convert umount and df. Add dlist_terminate() to break lists for traversal in either direction. Rob Landley <rob@landley.net> parents: 1224 diff changeset	129 for (mt2 = mt->prev; mt2; mt2 = mt2->prev) {
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	130 if (mt->stat.st_dev == mt2->stat.st_dev) {
1574 991f4d613388 Variant of a patch from Ashwini Sharma, making df /dev/node work and tweaking the spacing. Rob Landley <rob@landley.net> parents: 1321 diff changeset	131 // For --bind mounts, show earliest mount
1321 4d898affda0c Switch mtab_list to doubly linked so we can traverse in either order. Convert umount and df. Add dlist_terminate() to break lists for traversal in either direction. Rob Landley <rob@landley.net> parents: 1224 diff changeset	132 if (!strcmp(mt->device, mt2->device)) {
4d898affda0c Switch mtab_list to doubly linked so we can traverse in either order. Convert umount and df. Add dlist_terminate() to break lists for traversal in either direction. Rob Landley <rob@landley.net> parents: 1224 diff changeset	133 if (!toys.optflags & FLAG_a) mt3->stat.st_dev = 0;
4d898affda0c Switch mtab_list to doubly linked so we can traverse in either order. Convert umount and df. Add dlist_terminate() to break lists for traversal in either direction. Rob Landley <rob@landley.net> parents: 1224 diff changeset	134 mt3 = mt2;
4d898affda0c Switch mtab_list to doubly linked so we can traverse in either order. Convert umount and df. Add dlist_terminate() to break lists for traversal in either direction. Rob Landley <rob@landley.net> parents: 1224 diff changeset	135 } else mt2->stat.st_dev = 0;
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	136 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	137 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	138 }
1321 4d898affda0c Switch mtab_list to doubly linked so we can traverse in either order. Convert umount and df. Add dlist_terminate() to break lists for traversal in either direction. Rob Landley <rob@landley.net> parents: 1224 diff changeset	139 // Cosmetic: show filesystems in creation order
4d898affda0c Switch mtab_list to doubly linked so we can traverse in either order. Convert umount and df. Add dlist_terminate() to break lists for traversal in either direction. Rob Landley <rob@landley.net> parents: 1224 diff changeset	140 for (mt = mtstart; mt; mt = mt->next) if (mt->stat.st_dev) show_mt(mt);
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 689 diff changeset	141 }
2 67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: 1 diff changeset	142
1321 4d898affda0c Switch mtab_list to doubly linked so we can traverse in either order. Convert umount and df. Add dlist_terminate() to break lists for traversal in either direction. Rob Landley <rob@landley.net> parents: 1224 diff changeset	143 if (CFG_TOYBOX_FREE) llist_traverse(mtstart, free);
1 59d58fab67c6 Next snapshot. Tries to grab something out of lib in order to build, I have landley@driftwood parents: diff changeset	144 }

Mercurial > hg > toybox

annotate toys/posix/df.c @ 1753:0f940c4f9658 draft