xref: /386bsd/usr/src/libexec/mknod/mknod.c (revision a2142627)
1 /*
2  * Copyright (c) 1989 The Regents of the University of California.
3  * All rights reserved.
4  *
5  * This code is derived from software contributed to Berkeley by
6  * Kevin Fall.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. All advertising materials mentioning features or use of this software
17  *    must display the following acknowledgement:
18  *	This product includes software developed by the University of
19  *	California, Berkeley and its contributors.
20  * 4. Neither the name of the University nor the names of its contributors
21  *    may be used to endorse or promote products derived from this software
22  *    without specific prior written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34  * SUCH DAMAGE.
35  */
36 
37 #ifndef lint
38 char copyright[] =
39 "@(#) Copyright (c) 1989 The Regents of the University of California.\n\
40  All rights reserved.\n";
41 #endif /* not lint */
42 
43 #ifndef lint
44 static char sccsid[] = "@(#)mknod.c	4.4 (Berkeley) 6/1/90";
45 #endif /* not lint */
46 
47 #include <sys/types.h>
48 #include <sys/stat.h>
49 #include <stdio.h>
50 
main(argc,argv)51 main(argc, argv)
52 	int argc;
53 	char **argv;
54 {
55 	extern int errno;
56 	u_short mode;
57 	char *strerror();
58 
59 	if (argc != 5) {
60 		(void)fprintf(stderr,
61 		    "usage: mknod name [b | c] major minor\n");
62 		exit(1);
63 	}
64 
65 	mode = 0666;
66 	if (argv[2][0] == 'c')
67 		mode |= S_IFCHR;
68 	else if (argv[2][0] == 'b')
69 		mode |= S_IFBLK;
70 	else {
71 		(void)fprintf(stderr,
72 		    "mknod: node must be type 'b' or 'c'.\n");
73 		exit(1);
74 	}
75 
76 	if (mknod(argv[1], mode, makedev(atoi(argv[3]), atoi(argv[4]))) < 0) {
77 		(void)fprintf(stderr,
78 		    "mknod: %s: %s\n", argv[1], strerror(errno));
79 		exit(1);
80 	}
81 	exit(0);
82 }
83