diff options
Diffstat (limited to 'chgrp.c')
-rw-r--r-- | chgrp.c | 94 |
1 files changed, 94 insertions, 0 deletions
@@ -0,0 +1,94 @@ +/* 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: +*/ |