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90 lines
2.1 KiB
C
90 lines
2.1 KiB
C
/*
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* Mini chgrp implementation for busybox
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*
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* Copyright (C) 1998 by Erik Andersen <andersee@debian.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include "internal.h"
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#include <grp.h>
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#include <stdio.h>
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const char chgrp_usage[] = "chgrp [OPTION]... GROUP FILE...\n"
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"Change the group membership of each FILE to GROUP.\n"
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"\n\tOptions:\n" "\t-R\tchange files and directories recursively\n";
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int chgrp_main(int argc, char **argv)
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{
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const char *cp;
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int gid;
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struct group *grp;
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struct stat statBuf;
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if (argc < 2) {
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fprintf(stderr, "Usage: %s %s", *argv, chgrp_usage);
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return 1;
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}
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argc--;
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argv++;
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cp = argv[1];
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if (isDecimal(*cp)) {
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gid = 0;
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while (isDecimal(*cp))
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gid = gid * 10 + (*cp++ - '0');
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if (*cp) {
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fprintf(stderr, "Bad gid value\n");
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return -1;
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}
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} else {
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grp = getgrnam(cp);
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if (grp == NULL) {
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fprintf(stderr, "Unknown group name\n");
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return -1;
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}
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gid = grp->gr_gid;
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}
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argc--;
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argv++;
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while (argc-- > 1) {
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argv++;
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if ((stat(*argv, &statBuf) < 0) ||
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(chown(*argv, statBuf.st_uid, gid) < 0)) {
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perror(*argv);
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}
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}
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return 1;
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}
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#if 0
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int
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recursive(const char *fileName, BOOL followLinks, const char *pattern,
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int (*fileAction) (const char *fileName,
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const struct stat * statbuf),
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int (*dirAction) (const char *fileName,
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const struct stat * statbuf))
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#endif
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