diff options
Diffstat (limited to 'chgrp.c')
| -rw-r--r-- | chgrp.c | 89 |
1 files changed, 89 insertions, 0 deletions
@@ -0,0 +1,89 @@ +/* + * 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 |