1 /* vi: set sw=4 ts=4: */
3 * Mini mknod implementation for busybox
5 * Copyright (C) 1995, 1996 by Bruce Perens <bruce@pixar.com>.
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
26 #include <sys/types.h>
31 static const char mknod_usage[] = "mknod [OPTIONS] NAME TYPE MAJOR MINOR\n"
32 #ifndef BB_FEATURE_TRIVIAL_HELP
33 "\nCreate a special file (block, character, or pipe).\n\n"
35 "\t-m\tcreate the special file using the specified mode (default a=rw)\n\n"
37 "\tb:\tMake a block (buffered) device.\n"
38 "\tc or u:\tMake a character (un-buffered) device.\n"
39 "\tp:\tMake a named pipe. MAJOR and MINOR are ignored for named pipes.\n"
43 int mknod_main(int argc, char **argv)
53 /* Parse any options */
63 parse_mode(*argv, &perm);
72 if (argc != 4 && argc != 2) {
93 if (mode == S_IFCHR || mode == S_IFBLK) {
94 dev = (atoi(argv[2]) << 8) | atoi(argv[3]);
99 if (mknod(argv[0], mode, dev) != 0)
100 fatalError("%s: %s\n", argv[0], strerror(errno));