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authorEric Andersen1999-10-05 16:24:54 +0000
committerEric Andersen1999-10-05 16:24:54 +0000
commitcc8ed39b240180b58810784f844e253263594ac3 (patch)
tree15feebbb4be9a9168209609f48f0b100f9364420 /chgrp.c
downloadbusybox-cc8ed39b240180b58810784f844e253263594ac3.zip
busybox-cc8ed39b240180b58810784f844e253263594ac3.tar.gz
Initial revision0_29alpha2
Diffstat (limited to 'chgrp.c')
-rw-r--r--chgrp.c89
1 files changed, 89 insertions, 0 deletions
diff --git a/chgrp.c b/chgrp.c
new file mode 100644
index 0000000..038c665
--- /dev/null
+++ b/chgrp.c
@@ -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