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/*
* Mini chgrp implementation for busybox
*
* Copyright (C) 1998 by Erik Andersen <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 "internal.h"
#include <grp.h>
#include <stdio.h>
const char chgrp_usage[] = "chgrp [OPTION]... GROUP FILE...\n"
"Change the group membership of each FILE to GROUP.\n"
"\n\tOptions:\n" "\t-R\tchange files and directories recursively\n";
int chgrp_main(int argc, char **argv)
{
const char *cp;
int gid;
struct group *grp;
struct stat statBuf;
if (argc < 2) {
fprintf(stderr, "Usage: %s %s", *argv, chgrp_usage);
return 1;
}
argc--;
argv++;
cp = argv[1];
if (isDecimal(*cp)) {
gid = 0;
while (isDecimal(*cp))
gid = gid * 10 + (*cp++ - '0');
if (*cp) {
fprintf(stderr, "Bad gid value\n");
return -1;
}
} else {
grp = getgrnam(cp);
if (grp == NULL) {
fprintf(stderr, "Unknown group name\n");
return -1;
}
gid = grp->gr_gid;
}
argc--;
argv++;
while (argc-- > 1) {
argv++;
if ((stat(*argv, &statBuf) < 0) ||
(chown(*argv, statBuf.st_uid, gid) < 0)) {
perror(*argv);
}
}
return 1;
}
#if 0
int
recursive(const char *fileName, BOOL followLinks, const char *pattern,
int (*fileAction) (const char *fileName,
const struct stat * statbuf),
int (*dirAction) (const char *fileName,
const struct stat * statbuf))
#endif
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