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/*
* Mini touch implementation for busybox
*
* Copyright (C) 1998 by Erik Andersen <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\n"
"\tUpdate the last-modified date on the given file[s].\n";
extern int
touch_main(int argc, char **argv)
{
int fd;
int create=TRUE;
if (argc < 2) {
usage( touch_usage);
}
argc--;
argv++;
/* Parse options */
while (**argv == '-') {
while (*++(*argv)) switch (**argv) {
case 'c':
create = FALSE;
break;
default:
fprintf(stderr, "Unknown option: %c\n", **argv);
exit( FALSE);
}
argc--;
argv++;
}
fd = open (*argv, (create==FALSE)? O_RDWR : O_RDWR | O_CREAT, 0644);
if (fd < 0 ) {
if (create==FALSE && errno == ENOENT)
exit( TRUE);
else {
perror("touch");
exit( FALSE);
}
}
close( fd);
if (utime (*argv, NULL)) {
perror("touch");
exit( FALSE);
}
else
exit( TRUE);
}
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