/* vi: set sw=4 ts=4: */
/*
- * Mini chown/chmod/chgrp implementation for busybox
+ * Mini chgrp implementation for busybox
*
- *
- * Copyright (C) 1999,2000,2001 by Lineo, inc.
- * Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
+ * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.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 <stdio.h>
+/* BB_AUDIT SUSv3 defects - unsupported options -h, -H, -L, and -P. */
+/* BB_AUDIT GNU defects - unsupported options -h, -c, -f, -v, and long options. */
+/* BB_AUDIT Note: gnu chgrp does not support -H, -L, or -P. */
+/* http://www.opengroup.org/onlinepubs/007904975/utilities/chgrp.html */
+
#include <stdlib.h>
-#include <string.h>
#include <unistd.h>
#include "busybox.h"
-/* Don't use lchown for libc5 or glibc older then 2.1.x */
+/* Don't use lchown glibc older then 2.1.x */
#if (__GLIBC__ <= 2) && (__GLIBC_MINOR__ < 1)
#define lchown chown
#endif
-
-static long gid = -1;
-
static int fileAction(const char *fileName, struct stat *statbuf, void* junk)
{
- if (lchown(fileName, statbuf->st_uid, (gid == -1) ? statbuf->st_gid : gid) == 0) {
+ if (lchown(fileName, statbuf->st_uid, *((long *) junk)) == 0) {
return (TRUE);
}
- perror(fileName);
+ bb_perror_msg("%s", fileName); /* Avoid multibyte problems. */
return (FALSE);
}
int chgrp_main(int argc, char **argv)
{
- int opt;
- int recursiveFlag = FALSE;
- char *p=NULL;
+ long gid;
+ int recursiveFlag;
+ int retval = EXIT_SUCCESS;
- /* do normal option parsing */
- while ((opt = getopt(argc, argv, "R")) > 0) {
- switch (opt) {
- case 'R':
- recursiveFlag = TRUE;
- default:
- show_usage();
- }
- }
+ recursiveFlag = bb_getopt_ulflags(argc, argv, "R");
- if (argc > optind && argc > 2 && argv[optind]) {
- /* Find the selected group */
- gid = strtoul(argv[optind], &p, 10); /* maybe it's already numeric */
- if (argv[optind] == p)
- gid = my_getgrnam(argv[optind]);
- } else {
- error_msg_and_die(too_few_args);
+ if (argc - optind < 2) {
+ bb_show_usage();
}
+ argv += optind;
+
+ /* Find the selected group */
+ gid = get_ug_id(*argv, my_getgrnam);
+ ++argv;
+
/* Ok, ready to do the deed now */
- while (optind++ < argc) {
- if (recursive_action (argv[optind], recursiveFlag, FALSE, FALSE,
- fileAction, fileAction, NULL) == FALSE) {
- return EXIT_FAILURE;
+ do {
+ if (! recursive_action (*argv, recursiveFlag, FALSE, FALSE,
+ fileAction, fileAction, &gid)) {
+ retval = EXIT_FAILURE;
}
- }
- return EXIT_SUCCESS;
+ } while (*++argv);
+ return retval;
}
/*