Diff of /trunk/mkinitrd-magellan/busybox/coreutils/touch.c

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	revision 532 by niro, Sat Sep 1 22:45:15 2007 UTC	revision 816 by niro, Fri Apr 24 18:33:46 2009 UTC
#	Line 17	Line 17
17	* Also, exiting on a failure was a bug.  All args should be processed.	* Also, exiting on a failure was a bug.  All args should be processed.
18	*/	*/
19
20	#include <stdio.h>	#include "libbb.h"
	#include <sys/types.h>
	#include <fcntl.h>
	#include <utime.h>
	#include <errno.h>
	#include <unistd.h>
	#include <stdlib.h>
	#include "busybox.h"
21
22	int touch_main(int argc, char **argv)	/* This is a NOFORK applet. Be very careful! */
23
24		/* coreutils implements:
25		* -a   change only the access time
26		* -c, --no-create
27		*      do not create any files
28		* -d, --date=STRING
29		*      parse STRING and use it instead of current time
30		* -f   (ignored, BSD compat)
31		* -m   change only the modification time
32		* -r, --reference=FILE
33		*      use this file's times instead of current time
34		* -t STAMP
35		*      use [[CC]YY]MMDDhhmm[.ss] instead of current time
36		* --time=WORD
37		*      change the specified time: WORD is access, atime, or use
38		*/
39
40		int touch_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
41		int touch_main(int argc UNUSED_PARAM, char **argv)
42	{	{
43		#if ENABLE_DESKTOP
44		struct utimbuf timebuf;
45		char *reference_file = NULL;
46		#else
47		#define reference_file NULL
48		#define timebuf        (*(struct utimbuf*)NULL)
49		#endif
50	int fd;	int fd;
	int flags;
51	int status = EXIT_SUCCESS;	int status = EXIT_SUCCESS;
52		int flags = getopt32(argv, "c" USE_DESKTOP("r:")
53		/*ignored:*/ "fma"
54		USE_DESKTOP(, &reference_file));
55
56	flags = getopt32(argc, argv, "c");	flags &= 1; /* only -c bit is left */
57	argv += optind;	argv += optind;
58	if (!*argv) {	if (!*argv) {
59	bb_show_usage();	bb_show_usage();
60	}	}
61
62		if (reference_file) {
63		struct stat stbuf;
64		xstat(reference_file, &stbuf);
65		timebuf.actime = stbuf.st_atime;
66		timebuf.modtime = stbuf.st_mtime;
67		}
68
69	do {	do {
70	if (utime(*argv, NULL)) {	if (utime(*argv, reference_file ? &timebuf : NULL)) {
71	if (errno == ENOENT) { /* no such file*/	if (errno == ENOENT) { /* no such file */
72	if (flags & 1) { /* Creation is disabled, so ignore. */	if (flags) { /* creation is disabled, so ignore */
73	continue;	continue;
74	}	}
75	/* Try to create the file. */	/* Try to create the file. */
#	Line 51  int touch_main(int argc, char **argv)	Line 77  int touch_main(int argc, char **argv)
77	S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH	S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH
78	);	);
79	if ((fd >= 0) && !close(fd)) {	if ((fd >= 0) && !close(fd)) {
80		if (reference_file)
81		utime(*argv, &timebuf);
82	continue;	continue;
83	}	}
84	}	}
85	status = EXIT_FAILURE;	status = EXIT_FAILURE;
86	bb_perror_msg("%s", *argv);	bb_simple_perror_msg(*argv);
87	}	}
88	} while (*++argv);	} while (*++argv);
89

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Legend: Removed from v.532   changed lines   Added in v.816