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/* vi: set sw=4 ts=4: */
/*
* Mini touch implementation for busybox
*
*
* Copyright (C) 1999,2000 by Lineo, inc.
* Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include "internal.h"
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <utime.h>
#include <errno.h>
static const char touch_usage[] = "touch [-c] file [file ...]\n"
#ifndef BB_FEATURE_TRIVIAL_HELP
"\nUpdate the last-modified date on the given file[s].\n\n"
"Options:\n"
"\t-c\tDo not create any files\n"
#endif
;
extern int touch_main(int argc, char **argv)
{
int fd;
int create = TRUE;
/* Parse options */
while (--argc > 0 && **(++argv) == '-') {
while (*(++(*argv))) {
switch (**argv) {
case 'c':
create = FALSE;
break;
default:
usage(touch_usage);
exit(FALSE);
}
}
}
if (argc < 1) {
usage(touch_usage);
}
while (argc > 0) {
fd = open(*argv, (create == FALSE) ? O_RDWR : O_RDWR | O_CREAT,
S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH);
if (fd < 0) {
if (create == FALSE && errno == ENOENT)
exit(TRUE);
else {
fatalError("touch: %s", strerror(errno));
}
}
close(fd);
if (utime(*argv, NULL)) {
fatalError("touch: %s", strerror(errno));
}
argc--;
argv++;
}
exit(TRUE);
}
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