/*
* Mini chgrp implementation for busybox
*
- * Copyright (C) 1999-2003 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
- * 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
+ * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
*
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
*/
+//config:config CHGRP
+//config: bool "chgrp (7.2 kb)"
+//config: default y
+//config: help
+//config: chgrp is used to change the group ownership of files.
-/* 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 <unistd.h>
-#include "busybox.h"
+//applet:IF_CHGRP(APPLET_NOEXEC(chgrp, chgrp, BB_DIR_BIN, BB_SUID_DROP, chgrp))
-/* Don't use lchown glibc older then 2.1.x */
-#if (__GLIBC__ <= 2) && (__GLIBC_MINOR__ < 1)
-#define lchown chown
-#endif
+//kbuild:lib-$(CONFIG_CHGRP) += chgrp.o chown.o
-static int fileAction(const char *fileName, struct stat *statbuf, void* junk)
-{
- if (lchown(fileName, statbuf->st_uid, *((long *) junk)) == 0) {
- return (TRUE);
- }
- bb_perror_msg("%s", fileName); /* Avoid multibyte problems. */
- return (FALSE);
-}
+/* BB_AUDIT SUSv3 defects - none? */
+/* BB_AUDIT GNU defects - unsupported long options. */
+/* http://www.opengroup.org/onlinepubs/007904975/utilities/chgrp.html */
+//usage:#define chgrp_trivial_usage
+//usage: "[-RhLHP"IF_DESKTOP("cvf")"]... GROUP FILE..."
+//usage:#define chgrp_full_usage "\n\n"
+//usage: "Change the group membership of each FILE to GROUP\n"
+//usage: "\n -R Recurse"
+//usage: "\n -h Affect symlinks instead of symlink targets"
+//usage: "\n -L Traverse all symlinks to directories"
+//usage: "\n -H Traverse symlinks on command line only"
+//usage: "\n -P Don't traverse symlinks (default)"
+//usage: IF_DESKTOP(
+//usage: "\n -c List changed files"
+//usage: "\n -v Verbose"
+//usage: "\n -f Hide errors"
+//usage: )
+//usage:
+//usage:#define chgrp_example_usage
+//usage: "$ ls -l /tmp/foo\n"
+//usage: "-r--r--r-- 1 andersen andersen 0 Apr 12 18:25 /tmp/foo\n"
+//usage: "$ chgrp root /tmp/foo\n"
+//usage: "$ ls -l /tmp/foo\n"
+//usage: "-r--r--r-- 1 andersen root 0 Apr 12 18:25 /tmp/foo\n"
+
+#include "libbb.h"
+
+/* This is a NOEXEC applet. Be very careful! */
+
+
+int chgrp_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int chgrp_main(int argc, char **argv)
{
- long gid;
- int recursiveFlag;
- int retval = EXIT_SUCCESS;
- char *p;
-
- recursiveFlag = bb_getopt_ulflags(argc, argv, "R");
-
- if (argc - optind < 2) {
- bb_show_usage();
- }
-
- argv += optind;
-
- /* Find the selected group */
- gid = strtoul(*argv, &p, 10); /* maybe it's already numeric */
- if (*p || (p == *argv)) { /* trailing chars or nonnumeric */
- gid = my_getgrnam(*argv);
- }
- ++argv;
-
- /* Ok, ready to do the deed now */
- do {
- if (! recursive_action (*argv, recursiveFlag, FALSE, FALSE,
- fileAction, fileAction, &gid)) {
- retval = EXIT_FAILURE;
+ /* "chgrp [opts] abc file(s)" == "chown [opts] :abc file(s)" */
+ char **p = argv;
+ while (*++p) {
+ if (p[0][0] != '-') {
+ p[0] = xasprintf(":%s", p[0]);
+ break;
}
- } while (*++argv);
-
- return retval;
+ }
+ return chown_main(argc, argv);
}
-
-/*
-Local Variables:
-c-file-style: "linux"
-c-basic-offset: 4
-tab-width: 4
-End:
-*/