Initial revision

coreutils/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