1/* vi: set sw=4 ts=4: */
2/*
3 * Mini mknod implementation for busybox
4 *
5 * Copyright (C) 1995, 1996 by Bruce Perens <bruce@pixar.com>.
6 *
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.
11 *
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.
16 *
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
20 *
21 */
22
23#include <stdio.h>
24#include <errno.h>
25#include <fcntl.h>
26#include <unistd.h>
27#include <string.h>
28#include <stdlib.h>
29#include <sys/types.h>
30#include "busybox.h"
31
32int mknod_main(int argc, char **argv)
33{
34	char *thisarg;
35	mode_t mode = 0;
36	mode_t perm = 0666;
37	dev_t dev = 0;
38
39	argc--;
40	argv++;
41
42	/* Parse any options */
43	while (argc > 1) {
44		if (**argv != '-')
45			break;
46		thisarg = *argv;
47		thisarg++;
48		switch (*thisarg) {
49		case 'm':
50			argc--;
51			argv++;
52			parse_mode(*argv, &perm);
53			umask(0);
54			break;
55		default:
56			show_usage();
57		}
58		argc--;
59		argv++;
60	}
61	if (argc != 4 && argc != 2) {
62		show_usage();
63	}
64	switch (argv[1][0]) {
65	case 'c':
66	case 'u':
67		mode = S_IFCHR;
68		break;
69	case 'b':
70		mode = S_IFBLK;
71		break;
72	case 'p':
73		mode = S_IFIFO;
74		if (argc!=2) {
75			show_usage();
76		}
77		break;
78	default:
79		show_usage();
80	}
81
82	if (mode == S_IFCHR || mode == S_IFBLK) {
83		dev = (atoi(argv[2]) << 8) | atoi(argv[3]);
84	}
85
86	mode |= perm;
87
88	if (mknod(argv[0], mode, dev) != 0)
89		perror_msg_and_die("%s", argv[0]);
90	return EXIT_SUCCESS;
91}
92
93