toybox: toys/cp.c annotate

annotate toys/cp.c @ 282:a08f1affe016

Add -v to cp.

author	Rob Landley <rob@landley.net>
date	Wed, 09 Apr 2008 22:01:20 -0500
parents	a5652aa22f38
children	2134fa02ec00

rev	line source
262 70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	1 /* vi: set sw=4 ts=4:
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	2 *
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	3 * cp.c - Copy files.
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	4 *
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	5 * Copyright 2008 Rob Landley <rob@landley.net>
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	6 *
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	7 * See http://www.opengroup.org/onlinepubs/009695399/utilities/cp.html
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	8 *
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	9 * "R+ra+d+p+r"
282 a08f1affe016 Add -v to cp. Rob Landley <rob@landley.net> parents: 272 diff changeset	10 USE_CP(NEWTOY(cp, "<2vslrR+rdpa+d+p+rHLPif", TOYFLAG_BIN))
262 70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	11
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	12 config CP
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	13 bool "cp"
269 7b3d9594bf9c Fix -r logic, it needs both source and dest paths explicitly stated. Rob Landley <rob@landley.net> parents: 267 diff changeset	14 default y
262 70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	15 help
269 7b3d9594bf9c Fix -r logic, it needs both source and dest paths explicitly stated. Rob Landley <rob@landley.net> parents: 267 diff changeset	16 usage: cp -fiprdal SOURCE... DEST
262 70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	17
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	18 Copy files from SOURCE to DEST. If more than one SOURCE, DEST must
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	19 be a directory.
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	20
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	21 -f force copy by deleting destination file
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	22 -i interactive, prompt before overwriting existing DEST
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	23 -p preserve timestamps, ownership, and permissions
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	24 -r recurse into subdirectories (DEST must be a directory)
269 7b3d9594bf9c Fix -r logic, it needs both source and dest paths explicitly stated. Rob Landley <rob@landley.net> parents: 267 diff changeset	25 -d don't dereference symlinks
7b3d9594bf9c Fix -r logic, it needs both source and dest paths explicitly stated. Rob Landley <rob@landley.net> parents: 267 diff changeset	26 -a same as -dpr
7b3d9594bf9c Fix -r logic, it needs both source and dest paths explicitly stated. Rob Landley <rob@landley.net> parents: 267 diff changeset	27 -l hard link instead of copying
282 a08f1affe016 Add -v to cp. Rob Landley <rob@landley.net> parents: 272 diff changeset	28 -v verbose
262 70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	29 */
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	30
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	31 #include "toys.h"
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	32
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	33 #define FLAG_f 1
267 784bc9b0d6df Make cp pass the rest of its test suite. Needs a bigger test suite (-lsHPLi Rob Landley <rob@landley.net> parents: 263 diff changeset	34 #define FLAG_i 2 // todo
784bc9b0d6df Make cp pass the rest of its test suite. Needs a bigger test suite (-lsHPLi Rob Landley <rob@landley.net> parents: 263 diff changeset	35 #define FLAG_P 4 // todo
784bc9b0d6df Make cp pass the rest of its test suite. Needs a bigger test suite (-lsHPLi Rob Landley <rob@landley.net> parents: 263 diff changeset	36 #define FLAG_L 8 // todo
784bc9b0d6df Make cp pass the rest of its test suite. Needs a bigger test suite (-lsHPLi Rob Landley <rob@landley.net> parents: 263 diff changeset	37 #define FLAG_H 16 // todo
262 70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	38 #define FLAG_a 32
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	39 #define FLAG_p 64
267 784bc9b0d6df Make cp pass the rest of its test suite. Needs a bigger test suite (-lsHPLi Rob Landley <rob@landley.net> parents: 263 diff changeset	40 #define FLAG_d 128 // todo
262 70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	41 #define FLAG_R 256
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	42 #define FLAG_r 512
269 7b3d9594bf9c Fix -r logic, it needs both source and dest paths explicitly stated. Rob Landley <rob@landley.net> parents: 267 diff changeset	43 #define FLAG_l 1024 // todo
7b3d9594bf9c Fix -r logic, it needs both source and dest paths explicitly stated. Rob Landley <rob@landley.net> parents: 267 diff changeset	44 #define FLAG_s 2048 // todo
282 a08f1affe016 Add -v to cp. Rob Landley <rob@landley.net> parents: 272 diff changeset	45 #define FLAG_v 4098
262 70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	46
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	47 DEFINE_GLOBALS(
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	48 char *destname;
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	49 int destisdir;
263 7c53152a483b Make cp pass most of its test suite. Still need to add symlink support. Rob Landley <rob@landley.net> parents: 262 diff changeset	50 int destisnew;
269 7b3d9594bf9c Fix -r logic, it needs both source and dest paths explicitly stated. Rob Landley <rob@landley.net> parents: 267 diff changeset	51 int keep_symlinks;
262 70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	52 )
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	53
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	54 #define TT this.cp
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	55
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	56 // Copy an individual file or directory to target.
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	57
269 7b3d9594bf9c Fix -r logic, it needs both source and dest paths explicitly stated. Rob Landley <rob@landley.net> parents: 267 diff changeset	58 void cp_file(char src, char dst, struct stat *srcst)
262 70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	59 {
267 784bc9b0d6df Make cp pass the rest of its test suite. Needs a bigger test suite (-lsHPLi Rob Landley <rob@landley.net> parents: 263 diff changeset	60 int fdout = -1;
262 70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	61
282 a08f1affe016 Add -v to cp. Rob Landley <rob@landley.net> parents: 272 diff changeset	62 if (toys.optflags & FLAG_v)
a08f1affe016 Add -v to cp. Rob Landley <rob@landley.net> parents: 272 diff changeset	63 printf("'%s' -> '%s'\n", src, dst);
a08f1affe016 Add -v to cp. Rob Landley <rob@landley.net> parents: 272 diff changeset	64
262 70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	65 // Copy directory or file to destination.
263 7c53152a483b Make cp pass most of its test suite. Still need to add symlink support. Rob Landley <rob@landley.net> parents: 262 diff changeset	66
262 70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	67 if (S_ISDIR(srcst->st_mode)) {
263 7c53152a483b Make cp pass most of its test suite. Still need to add symlink support. Rob Landley <rob@landley.net> parents: 262 diff changeset	68 struct stat st2;
7c53152a483b Make cp pass most of its test suite. Still need to add symlink support. Rob Landley <rob@landley.net> parents: 262 diff changeset	69
7c53152a483b Make cp pass most of its test suite. Still need to add symlink support. Rob Landley <rob@landley.net> parents: 262 diff changeset	70 // Always make directory writeable to us, so we can create files in it.
7c53152a483b Make cp pass most of its test suite. Still need to add symlink support. Rob Landley <rob@landley.net> parents: 262 diff changeset	71 //
7c53152a483b Make cp pass most of its test suite. Still need to add symlink support. Rob Landley <rob@landley.net> parents: 262 diff changeset	72 // Yes, there's a race window between mkdir() and open() so it's
7c53152a483b Make cp pass most of its test suite. Still need to add symlink support. Rob Landley <rob@landley.net> parents: 262 diff changeset	73 // possible that -p can be made to chown a directory other than the one
7c53152a483b Make cp pass most of its test suite. Still need to add symlink support. Rob Landley <rob@landley.net> parents: 262 diff changeset	74 // we created. The closest we can do to closing this is make sure
7c53152a483b Make cp pass most of its test suite. Still need to add symlink support. Rob Landley <rob@landley.net> parents: 262 diff changeset	75 // that what we open _is_ a directory rather than something else.
7c53152a483b Make cp pass most of its test suite. Still need to add symlink support. Rob Landley <rob@landley.net> parents: 262 diff changeset	76
272 a5652aa22f38 Another cp -r fix, another test case... Rob Landley <rob@landley.net> parents: 271 diff changeset	77 if ((mkdir(dst, srcst->st_mode \| 0200) && errno != EEXIST)
a5652aa22f38 Another cp -r fix, another test case... Rob Landley <rob@landley.net> parents: 271 diff changeset	78 \|\| 0>(fdout=open(dst, 0)) \|\| fstat(fdout, &st2)
a5652aa22f38 Another cp -r fix, another test case... Rob Landley <rob@landley.net> parents: 271 diff changeset	79 \|\| !S_ISDIR(st2.st_mode))
263 7c53152a483b Make cp pass most of its test suite. Still need to add symlink support. Rob Landley <rob@landley.net> parents: 262 diff changeset	80 {
269 7b3d9594bf9c Fix -r logic, it needs both source and dest paths explicitly stated. Rob Landley <rob@landley.net> parents: 267 diff changeset	81 perror_exit("mkdir '%s'", dst);
263 7c53152a483b Make cp pass most of its test suite. Still need to add symlink support. Rob Landley <rob@landley.net> parents: 262 diff changeset	82 }
269 7b3d9594bf9c Fix -r logic, it needs both source and dest paths explicitly stated. Rob Landley <rob@landley.net> parents: 267 diff changeset	83 } else if (TT.keep_symlinks && S_ISLNK(srcst->st_mode)) {
267 784bc9b0d6df Make cp pass the rest of its test suite. Needs a bigger test suite (-lsHPLi Rob Landley <rob@landley.net> parents: 263 diff changeset	84 char *link = xreadlink(src);
784bc9b0d6df Make cp pass the rest of its test suite. Needs a bigger test suite (-lsHPLi Rob Landley <rob@landley.net> parents: 263 diff changeset	85
784bc9b0d6df Make cp pass the rest of its test suite. Needs a bigger test suite (-lsHPLi Rob Landley <rob@landley.net> parents: 263 diff changeset	86 // Note: -p currently has no effect on symlinks. How do you get a
784bc9b0d6df Make cp pass the rest of its test suite. Needs a bigger test suite (-lsHPLi Rob Landley <rob@landley.net> parents: 263 diff changeset	87 // filehandle to them? O_NOFOLLOW causes the open to fail.
269 7b3d9594bf9c Fix -r logic, it needs both source and dest paths explicitly stated. Rob Landley <rob@landley.net> parents: 267 diff changeset	88 if (!link \|\| symlink(link, dst)) perror_msg("link '%s'", dst);
267 784bc9b0d6df Make cp pass the rest of its test suite. Needs a bigger test suite (-lsHPLi Rob Landley <rob@landley.net> parents: 263 diff changeset	89 free(link);
784bc9b0d6df Make cp pass the rest of its test suite. Needs a bigger test suite (-lsHPLi Rob Landley <rob@landley.net> parents: 263 diff changeset	90 } else if (toys.optflags & FLAG_l) {
269 7b3d9594bf9c Fix -r logic, it needs both source and dest paths explicitly stated. Rob Landley <rob@landley.net> parents: 267 diff changeset	91 if (link(src, dst)) perror_msg("link '%s'");
7b3d9594bf9c Fix -r logic, it needs both source and dest paths explicitly stated. Rob Landley <rob@landley.net> parents: 267 diff changeset	92 return;
262 70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	93 } else {
263 7c53152a483b Make cp pass most of its test suite. Still need to add symlink support. Rob Landley <rob@landley.net> parents: 262 diff changeset	94 int fdin, i;
7c53152a483b Make cp pass most of its test suite. Still need to add symlink support. Rob Landley <rob@landley.net> parents: 262 diff changeset	95
262 70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	96 fdin = xopen(src, O_RDONLY);
263 7c53152a483b Make cp pass most of its test suite. Still need to add symlink support. Rob Landley <rob@landley.net> parents: 262 diff changeset	97 for (i=2 ; i; i--) {
269 7b3d9594bf9c Fix -r logic, it needs both source and dest paths explicitly stated. Rob Landley <rob@landley.net> parents: 267 diff changeset	98 fdout = open(dst, O_RDWR\|O_CREAT\|O_TRUNC, srcst->st_mode);
263 7c53152a483b Make cp pass most of its test suite. Still need to add symlink support. Rob Landley <rob@landley.net> parents: 262 diff changeset	99 if (fdout>=0 \|\| !(toys.optflags & FLAG_f)) break;
269 7b3d9594bf9c Fix -r logic, it needs both source and dest paths explicitly stated. Rob Landley <rob@landley.net> parents: 267 diff changeset	100 unlink(dst);
263 7c53152a483b Make cp pass most of its test suite. Still need to add symlink support. Rob Landley <rob@landley.net> parents: 262 diff changeset	101 }
269 7b3d9594bf9c Fix -r logic, it needs both source and dest paths explicitly stated. Rob Landley <rob@landley.net> parents: 267 diff changeset	102 if (fdout<0) perror_exit("%s", dst);
262 70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	103 xsendfile(fdin, fdout);
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	104 close(fdin);
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	105 }
263 7c53152a483b Make cp pass most of its test suite. Still need to add symlink support. Rob Landley <rob@landley.net> parents: 262 diff changeset	106
7c53152a483b Make cp pass most of its test suite. Still need to add symlink support. Rob Landley <rob@landley.net> parents: 262 diff changeset	107 // Inability to set these isn't fatal, some require root access.
7c53152a483b Make cp pass most of its test suite. Still need to add symlink support. Rob Landley <rob@landley.net> parents: 262 diff changeset	108 // Can't do fchmod() etc here because -p works on mkdir, too.
7c53152a483b Make cp pass most of its test suite. Still need to add symlink support. Rob Landley <rob@landley.net> parents: 262 diff changeset	109
7c53152a483b Make cp pass most of its test suite. Still need to add symlink support. Rob Landley <rob@landley.net> parents: 262 diff changeset	110 if (toys.optflags & FLAG_p) {
7c53152a483b Make cp pass most of its test suite. Still need to add symlink support. Rob Landley <rob@landley.net> parents: 262 diff changeset	111 int mask = umask(0);
7c53152a483b Make cp pass most of its test suite. Still need to add symlink support. Rob Landley <rob@landley.net> parents: 262 diff changeset	112 struct utimbuf ut;
7c53152a483b Make cp pass most of its test suite. Still need to add symlink support. Rob Landley <rob@landley.net> parents: 262 diff changeset	113
7c53152a483b Make cp pass most of its test suite. Still need to add symlink support. Rob Landley <rob@landley.net> parents: 262 diff changeset	114 fchown(fdout,srcst->st_uid, srcst->st_gid);
7c53152a483b Make cp pass most of its test suite. Still need to add symlink support. Rob Landley <rob@landley.net> parents: 262 diff changeset	115 ut.actime = srcst->st_atime;
7c53152a483b Make cp pass most of its test suite. Still need to add symlink support. Rob Landley <rob@landley.net> parents: 262 diff changeset	116 ut.modtime = srcst->st_mtime;
269 7b3d9594bf9c Fix -r logic, it needs both source and dest paths explicitly stated. Rob Landley <rob@landley.net> parents: 267 diff changeset	117 utime(dst, &ut);
263 7c53152a483b Make cp pass most of its test suite. Still need to add symlink support. Rob Landley <rob@landley.net> parents: 262 diff changeset	118 umask(mask);
7c53152a483b Make cp pass most of its test suite. Still need to add symlink support. Rob Landley <rob@landley.net> parents: 262 diff changeset	119 }
7c53152a483b Make cp pass most of its test suite. Still need to add symlink support. Rob Landley <rob@landley.net> parents: 262 diff changeset	120 xclose(fdout);
262 70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	121 }
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	122
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	123 // Callback from dirtree_read() for each file/directory under a source dir.
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	124
263 7c53152a483b Make cp pass most of its test suite. Still need to add symlink support. Rob Landley <rob@landley.net> parents: 262 diff changeset	125 int cp_node(char path, struct dirtree node)
262 70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	126 {
263 7c53152a483b Make cp pass most of its test suite. Still need to add symlink support. Rob Landley <rob@landley.net> parents: 262 diff changeset	127 char *s = path+strlen(path);
269 7b3d9594bf9c Fix -r logic, it needs both source and dest paths explicitly stated. Rob Landley <rob@landley.net> parents: 267 diff changeset	128 struct dirtree *n;
263 7c53152a483b Make cp pass most of its test suite. Still need to add symlink support. Rob Landley <rob@landley.net> parents: 262 diff changeset	129
7c53152a483b Make cp pass most of its test suite. Still need to add symlink support. Rob Landley <rob@landley.net> parents: 262 diff changeset	130 // Find appropriate chunk of path for destination.
7c53152a483b Make cp pass most of its test suite. Still need to add symlink support. Rob Landley <rob@landley.net> parents: 262 diff changeset	131
271 7d625cbdde25 Update cp -r to work better, add relevant tests to test suite. Rob Landley <rob@landley.net> parents: 269 diff changeset	132 n = node;
7d625cbdde25 Update cp -r to work better, add relevant tests to test suite. Rob Landley <rob@landley.net> parents: 269 diff changeset	133 if (!TT.destisdir) n = n->parent;
7d625cbdde25 Update cp -r to work better, add relevant tests to test suite. Rob Landley <rob@landley.net> parents: 269 diff changeset	134 for (;;n = n->parent) {
269 7b3d9594bf9c Fix -r logic, it needs both source and dest paths explicitly stated. Rob Landley <rob@landley.net> parents: 267 diff changeset	135 while (s!=path) {
7b3d9594bf9c Fix -r logic, it needs both source and dest paths explicitly stated. Rob Landley <rob@landley.net> parents: 267 diff changeset	136 if (*(--s)=='/') break;
263 7c53152a483b Make cp pass most of its test suite. Still need to add symlink support. Rob Landley <rob@landley.net> parents: 262 diff changeset	137 }
269 7b3d9594bf9c Fix -r logic, it needs both source and dest paths explicitly stated. Rob Landley <rob@landley.net> parents: 267 diff changeset	138 if (!n) break;
263 7c53152a483b Make cp pass most of its test suite. Still need to add symlink support. Rob Landley <rob@landley.net> parents: 262 diff changeset	139 }
269 7b3d9594bf9c Fix -r logic, it needs both source and dest paths explicitly stated. Rob Landley <rob@landley.net> parents: 267 diff changeset	140 if (s != path) s++;
7b3d9594bf9c Fix -r logic, it needs both source and dest paths explicitly stated. Rob Landley <rob@landley.net> parents: 267 diff changeset	141
7b3d9594bf9c Fix -r logic, it needs both source and dest paths explicitly stated. Rob Landley <rob@landley.net> parents: 267 diff changeset	142 s = xmsprintf("%s/%s", TT.destname, s);
7b3d9594bf9c Fix -r logic, it needs both source and dest paths explicitly stated. Rob Landley <rob@landley.net> parents: 267 diff changeset	143 cp_file(path, s, &(node->st));
7b3d9594bf9c Fix -r logic, it needs both source and dest paths explicitly stated. Rob Landley <rob@landley.net> parents: 267 diff changeset	144 free(s);
7b3d9594bf9c Fix -r logic, it needs both source and dest paths explicitly stated. Rob Landley <rob@landley.net> parents: 267 diff changeset	145
262 70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	146 return 0;
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	147 }
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	148
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	149 void cp_main(void)
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	150 {
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	151 struct stat st;
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	152 int i;
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	153
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	154 // Grab target argument. (Guaranteed to be there due to "<2" above.)
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	155
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	156 TT.destname = toys.optargs[--toys.optc];
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	157
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	158 // If destination doesn't exist, are we ok with that?
263 7c53152a483b Make cp pass most of its test suite. Still need to add symlink support. Rob Landley <rob@landley.net> parents: 262 diff changeset	159
262 70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	160 if (stat(TT.destname, &st)) {
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	161 if (toys.optc>1) goto error_notdir;
263 7c53152a483b Make cp pass most of its test suite. Still need to add symlink support. Rob Landley <rob@landley.net> parents: 262 diff changeset	162 TT.destisnew++;
262 70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	163
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	164 // If destination exists...
263 7c53152a483b Make cp pass most of its test suite. Still need to add symlink support. Rob Landley <rob@landley.net> parents: 262 diff changeset	165
262 70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	166 } else {
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	167 if (S_ISDIR(st.st_mode)) TT.destisdir++;
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	168 else if (toys.optc > 1) goto error_notdir;
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	169 }
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	170
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	171 // Handle sources
263 7c53152a483b Make cp pass most of its test suite. Still need to add symlink support. Rob Landley <rob@landley.net> parents: 262 diff changeset	172
262 70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	173 for (i=0; i<toys.optc; i++) {
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	174 char *src = toys.optargs[i];
269 7b3d9594bf9c Fix -r logic, it needs both source and dest paths explicitly stated. Rob Landley <rob@landley.net> parents: 267 diff changeset	175 char *dst;
262 70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	176
269 7b3d9594bf9c Fix -r logic, it needs both source and dest paths explicitly stated. Rob Landley <rob@landley.net> parents: 267 diff changeset	177 // Skip src==dest (should check inodes to catch "cp blah ./blah").
263 7c53152a483b Make cp pass most of its test suite. Still need to add symlink support. Rob Landley <rob@landley.net> parents: 262 diff changeset	178
7c53152a483b Make cp pass most of its test suite. Still need to add symlink support. Rob Landley <rob@landley.net> parents: 262 diff changeset	179 if (!strcmp(src, TT.destname)) continue;
269 7b3d9594bf9c Fix -r logic, it needs both source and dest paths explicitly stated. Rob Landley <rob@landley.net> parents: 267 diff changeset	180
7b3d9594bf9c Fix -r logic, it needs both source and dest paths explicitly stated. Rob Landley <rob@landley.net> parents: 267 diff changeset	181 // Skip nonexistent sources.
7b3d9594bf9c Fix -r logic, it needs both source and dest paths explicitly stated. Rob Landley <rob@landley.net> parents: 267 diff changeset	182
7b3d9594bf9c Fix -r logic, it needs both source and dest paths explicitly stated. Rob Landley <rob@landley.net> parents: 267 diff changeset	183 TT.keep_symlinks = toys.optflags & FLAG_d;
7b3d9594bf9c Fix -r logic, it needs both source and dest paths explicitly stated. Rob Landley <rob@landley.net> parents: 267 diff changeset	184 if (TT.keep_symlinks ? lstat(src, &st) : stat(src, &st))
263 7c53152a483b Make cp pass most of its test suite. Still need to add symlink support. Rob Landley <rob@landley.net> parents: 262 diff changeset	185 {
262 70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	186 perror_msg("'%s'", src);
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	187 toys.exitval = 1;
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	188 continue;
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	189 }
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	190
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	191 // Copy directory or file.
263 7c53152a483b Make cp pass most of its test suite. Still need to add symlink support. Rob Landley <rob@landley.net> parents: 262 diff changeset	192
271 7d625cbdde25 Update cp -r to work better, add relevant tests to test suite. Rob Landley <rob@landley.net> parents: 269 diff changeset	193 if (TT.destisdir) {
7d625cbdde25 Update cp -r to work better, add relevant tests to test suite. Rob Landley <rob@landley.net> parents: 269 diff changeset	194 dst = strrchr(src, '/');
7d625cbdde25 Update cp -r to work better, add relevant tests to test suite. Rob Landley <rob@landley.net> parents: 269 diff changeset	195 if (dst) dst++;
7d625cbdde25 Update cp -r to work better, add relevant tests to test suite. Rob Landley <rob@landley.net> parents: 269 diff changeset	196 else dst=src;
7d625cbdde25 Update cp -r to work better, add relevant tests to test suite. Rob Landley <rob@landley.net> parents: 269 diff changeset	197 dst = xmsprintf("%s/%s", TT.destname, dst);
7d625cbdde25 Update cp -r to work better, add relevant tests to test suite. Rob Landley <rob@landley.net> parents: 269 diff changeset	198 } else dst = TT.destname;
262 70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	199 if (S_ISDIR(st.st_mode)) {
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	200 if (toys.optflags & FLAG_r) {
269 7b3d9594bf9c Fix -r logic, it needs both source and dest paths explicitly stated. Rob Landley <rob@landley.net> parents: 267 diff changeset	201 cp_file(src, dst, &st);
7b3d9594bf9c Fix -r logic, it needs both source and dest paths explicitly stated. Rob Landley <rob@landley.net> parents: 267 diff changeset	202
7b3d9594bf9c Fix -r logic, it needs both source and dest paths explicitly stated. Rob Landley <rob@landley.net> parents: 267 diff changeset	203 TT.keep_symlinks++;
263 7c53152a483b Make cp pass most of its test suite. Still need to add symlink support. Rob Landley <rob@landley.net> parents: 262 diff changeset	204 strncpy(toybuf, src, sizeof(toybuf)-1);
7c53152a483b Make cp pass most of its test suite. Still need to add symlink support. Rob Landley <rob@landley.net> parents: 262 diff changeset	205 toybuf[sizeof(toybuf)-1]=0;
7c53152a483b Make cp pass most of its test suite. Still need to add symlink support. Rob Landley <rob@landley.net> parents: 262 diff changeset	206 dirtree_read(toybuf, NULL, cp_node);
262 70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	207 } else error_msg("Skipped dir '%s'", src);
269 7b3d9594bf9c Fix -r logic, it needs both source and dest paths explicitly stated. Rob Landley <rob@landley.net> parents: 267 diff changeset	208 } else cp_file(src, dst, &st);
7b3d9594bf9c Fix -r logic, it needs both source and dest paths explicitly stated. Rob Landley <rob@landley.net> parents: 267 diff changeset	209 if (TT.destisdir) free(dst);
262 70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	210 }
263 7c53152a483b Make cp pass most of its test suite. Still need to add symlink support. Rob Landley <rob@landley.net> parents: 262 diff changeset	211
262 70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	212 return;
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	213
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	214 error_notdir:
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	215 error_exit("'%s' isn't a directory", TT.destname);
70f36d9c5387 Add first pass at cp, totally untested, unlikely to work yet. :) Rob Landley <rob@landley.net> parents: diff changeset	216 }

Mercurial > hg > toybox

annotate toys/cp.c @ 282:a08f1affe016