+/* vi: set sw=4 ts=4: */
/*
* Mini touch implementation for busybox
*
- * Copyright (C) 1998 by Erik Andersen <andersee@debian.org>
+ *
+ * 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
*
*/
-#include "internal.h"
+#include "busybox.h"
#include <stdio.h>
#include <sys/types.h>
-#include <sys/stat.h>
#include <fcntl.h>
#include <utime.h>
#include <errno.h>
+#include <unistd.h>
+#include <stdlib.h>
-
-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)
+extern int touch_main(int argc, char **argv)
{
- int fd;
- int create=TRUE;
-
- if (argc < 2) {
- fprintf(stderr, "Usage: %s %s", *argv, touch_usage);
- exit( FALSE);
- }
- argc--;
- argv++;
+ int fd;
+ int create = TRUE;
- /* Parse options */
- while (**argv == '-') {
- while (*++(*argv)) switch (**argv) {
- case 'c':
- create = FALSE;
- break;
- default:
- fprintf(stderr, "Unknown option: %c\n", **argv);
- exit( FALSE);
+ /* Parse options */
+ while (--argc > 0 && **(++argv) == '-') {
+ while (*(++(*argv))) {
+ switch (**argv) {
+ case 'c':
+ create = FALSE;
+ break;
+ default:
+ usage(touch_usage);
+ }
+ }
}
- 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);
+ if (argc < 1) {
+ usage(touch_usage);
}
- }
- close( fd);
- if (utime (*argv, NULL)) {
- perror("touch");
- exit( FALSE);
- }
- else
- exit( TRUE);
-}
-
-
-
-
+ 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)
+ return EXIT_SUCCESS;
+ else {
+ perror_msg_and_die("%s", *argv);
+ }
+ }
+ close(fd);
+ if (utime(*argv, NULL)) {
+ perror_msg_and_die("%s", *argv);
+ }
+ argc--;
+ argv++;
+ }
+ return EXIT_SUCCESS;
+}