mknod.c revision 1558
1/* 2 * Copyright (c) 1989, 1993 3 * The Regents of the University of California. 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 38static char copyright[] = 39"@(#) Copyright (c) 1989, 1993\n\ 40 The Regents of the University of California. All rights reserved.\n"; 41#endif /* not lint */ 42 43#ifndef lint 44static char sccsid[] = "@(#)mknod.c 8.1 (Berkeley) 6/5/93"; 45#endif /* not lint */ 46 47#include <sys/types.h> 48#include <sys/stat.h> 49#include <stdio.h> 50 51main(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