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mknod.c revision 1.9 
      1 /*	$NetBSD: mknod.c,v 1.9 1997/09/15 03:46:31 lukem Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1989, 1993
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  * This code is derived from software contributed to Berkeley by
      8  * Kevin Fall.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *	This product includes software developed by the University of
     21  *	California, Berkeley and its contributors.
     22  * 4. Neither the name of the University nor the names of its contributors
     23  *    may be used to endorse or promote products derived from this software
     24  *    without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     36  * SUCH DAMAGE.
     37  */
     38 
     39 #include <sys/cdefs.h>
     40 #ifndef lint
     41 __COPYRIGHT("@(#) Copyright (c) 1989, 1993\n\
     42 	The Regents of the University of California.  All rights reserved.\n");
     43 #endif /* not lint */
     44 
     45 #ifndef lint
     46 #if 0
     47 static char sccsid[] = "@(#)mknod.c	8.1 (Berkeley) 6/5/93";
     48 #else
     49 __RCSID("$NetBSD: mknod.c,v 1.9 1997/09/15 03:46:31 lukem Exp $");
     50 #endif
     51 #endif /* not lint */
     52 
     53 #include <sys/types.h>
     54 #include <sys/stat.h>
     55 #include <stdio.h>
     56 #include <stdlib.h>
     57 #include <unistd.h>
     58 #include <err.h>
     59 
     60 	int	main __P((int, char *[]));
     61 static	void	usage __P((void));
     62 
     63 int
     64 main(argc, argv)
     65 	int argc;
     66 	char **argv;
     67 {
     68 	mode_t mode;
     69 
     70 	if (argc != 5) {
     71 		usage();
     72 		/* NOTREACHED */
     73 	}
     74 
     75 	mode = 0666;
     76 	if (argv[2][0] == 'c')
     77 		mode |= S_IFCHR;
     78 	else if (argv[2][0] == 'b')
     79 		mode |= S_IFBLK;
     80 	else {
     81 		errx(1, "node must be type 'b' or 'c'.");
     82 		/* NOTREACHED */
     83 	}
     84 
     85 	if (mknod(argv[1], mode, makedev(atoi(argv[3]), atoi(argv[4]))) < 0) {
     86 		err(1, "%s", argv[1]);
     87 		/* NOTREACHED */
     88 	}
     89 
     90 	exit(0);
     91 }
     92 
     93 void
     94 usage()
     95 {
     96 	fprintf(stderr, "usage: mknod name [b | c] major minor\n");
     97 	exit(1);
     98 }
     99