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-rw-r--r--chgrp.c94
1 files changed, 94 insertions, 0 deletions
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+/* vi: set sw=4 ts=4: */
+/*
+ * Mini chown/chmod/chgrp implementation for busybox
+ *
+ *
+ * Copyright (C) 1999,2000,2001 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 <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include "busybox.h"
+#define BB_DECLARE_EXTERN
+#define bb_need_invalid_option
+#define bb_need_too_few_args
+#include "messages.c"
+
+/* Don't use lchown for libc5 or 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) {
+ return (TRUE);
+ }
+ perror(fileName);
+ return (FALSE);
+}
+
+int chgrp_main(int argc, char **argv)
+{
+ int opt;
+ int recursiveFlag = FALSE;
+ char *p=NULL;
+
+ /* do normal option parsing */
+ while ((opt = getopt(argc, argv, "R")) > 0) {
+ switch (opt) {
+ case 'R':
+ recursiveFlag = TRUE;
+ default:
+ show_usage();
+ }
+ }
+
+ 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);
+ }
+
+ /* 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;
+ }
+ }
+ return EXIT_SUCCESS;
+
+}
+
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/