+/*
+ * GPL HEADER START
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
+ *
+ * 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 version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.gnu.org/licenses/gpl-2.0.html
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ */
+
#include <stdio.h>
-#include <sys/types.h>
+#include <stdlib.h>
+#include <sys/sysmacros.h>
#include <sys/stat.h>
#include <errno.h>
#include <string.h>
#include <fcntl.h>
#include <unistd.h>
+#include <getopt.h>
-int main(int argc, char ** argv)
+void usage(const char *prog, int status)
{
- int rc;
-
- if (argc < 2) {
- printf("Usage %s filename\n", argv[0]);
- return 1;
- }
-
- rc = mknod(argv[1], S_IFREG| 0444, 0);
- if (rc) {
- printf("mknod(%s) error: %s\n", argv[1], strerror(errno));
- }
- return rc;
-}
+ fprintf(status == 0 ? stdout : stderr,
+ "Usage: %s [OPTION]... FILE\n"
+ " -d, --device=DEV use device number DEV\n"
+ " -h, --help dispaly help\n"
+ " -m, --mode=MODE use mode MODE\n"
+ " -M, --major=MAJOR use device major MAJOR\n"
+ " -N, --minor=MINOR use device minor MINOR\n",
+ prog);
+
+ exit(status);
+}
+
+int main(int argc, char **argv)
+{
+ struct option opts[] = {
+ { .name = "device", .has_arg = required_argument, .val = 'd' },
+ { .name = "help", .has_arg = no_argument, .val = 'h' },
+ { .name = "mode", .has_arg = required_argument, .val = 'm' },
+ { .name = "major", .has_arg = required_argument, .val = 'M' },
+ { .name = "minor", .has_arg = required_argument, .val = 'N' },
+ { .name = NULL }
+ };
+ const char *path;
+ mode_t mode = S_IFREG | 0644;
+ dev_t dev = 0;
+ int rc;
+ int c;
+
+ while ((c = getopt_long(argc, argv, "d:hm:M:N:", opts, NULL)) != -1) {
+ switch (c) {
+ case 'd':
+ dev = strtoul(optarg, NULL, 0);
+ break;
+ case 'h':
+ usage(argv[0], 0);
+ case 'm':
+ mode = strtoul(optarg, NULL, 0);
+ break;
+ case 'M':
+ dev = makedev(strtoul(optarg, NULL, 0), minor(dev));
+ break;
+ case 'N':
+ dev = makedev(major(dev), strtoul(optarg, NULL, 0));
+ break;
+ case '?':
+ usage(argv[0], 1);
+ }
+ }
+
+ if (argc - optind != 1)
+ usage(argv[0], 1);
+
+ path = argv[optind];
+
+ if ((mode & S_IFMT) == S_IFDIR)
+ rc = mkdir(path, mode & ~S_IFMT);
+ else if ((mode & S_IFMT) == S_IFLNK)
+ rc = symlink("oldpath", path);
+ else
+ rc = mknod(path, mode, dev);
+
+ if (rc) {
+ rc = errno;
+ fprintf(stderr, "%s: cannot create `%s' with mode %#o: %s\n",
+ argv[0], path, mode, strerror(rc));
+ }
+
+ return rc;
+}