1/* $NetBSD: mkfifo.c,v 1.8 1997/10/19 05:11:54 lukem Exp $ */ 2 3/* 4 * Copyright (c) 1990, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36#include <sys/cdefs.h> 37#ifndef lint 38__COPYRIGHT("@(#) Copyright (c) 1990, 1993\n\ 39 The Regents of the University of California. All rights reserved.\n"); 40#endif /* not lint */ 41 42#ifndef lint 43#if 0 44static char sccsid[] = "@(#)mkfifo.c 8.2 (Berkeley) 1/5/94"; 45#endif 46__RCSID("$NetBSD: mkfifo.c,v 1.8 1997/10/19 05:11:54 lukem Exp $"); 47#endif /* not lint */ 48 49#include <stdio.h> 50#include <stdlib.h> 51#include <string.h> 52#include <locale.h> 53#include <errno.h> 54#include <sys/types.h> 55#include <sys/stat.h> 56#include <unistd.h> 57#include <err.h> 58#ifdef __APPLE__ 59#include <get_compat.h> 60#else 61#define COMPAT_MODE(a,b) (1) 62#endif /* __APPLE__ */ 63 64int main __P((int, char **)); 65static void usage __P((void)); 66 67int 68main(argc, argv) 69 int argc; 70 char *argv[]; 71{ 72 int ch, exitval; 73 void * set; 74 mode_t mode = 0; 75 int m_used = 0; 76 77 setlocale (LC_ALL, ""); 78 79 /* The default mode is the value of the bitwise inclusive or of 80 S_IRUSR, S_IWUSR, S_IRGRP, S_IWGRP, S_IROTH, and S_IWOTH 81 modified by the file creation mask */ 82 if (!COMPAT_MODE("bin/mkfifo", "Unix2003")) { 83 mode = 0666 & ~umask(0); 84 } 85 86 while ((ch = getopt(argc, argv, "m:")) != -1) 87 switch(ch) { 88 case 'm': 89 m_used = 1; 90 if (!(set = setmode(optarg))) { 91 errx(1, "invalid file mode."); 92 /* NOTREACHED */ 93 } 94 /* In symbolic mode strings, the + and - operators are 95 interpreted relative to an assumed initial mode of 96 a=rw. */ 97 mode = getmode (set, 0666); 98 break; 99 case '?': 100 default: 101 usage(); 102 } 103// argc -= optind; 104 argv += optind; 105 if (argv[0] == NULL) 106 usage(); 107 108 if (COMPAT_MODE("bin/mkfifo", "Unix2003")) { 109 mode_t maskbits = umask(0); /* now must disable umask so -m mode won't be masked again */ 110 if (!m_used) 111 mode = 0666 & ~maskbits; 112 } 113 114 for (exitval = 0; *argv; ++argv) { 115 if (mkfifo(*argv, mode) < 0) { 116 warn("%s", *argv); 117 exitval = 1; 118 } 119 } 120 exit(exitval); 121} 122 123void 124usage() 125{ 126 (void)fprintf(stderr, "usage: mkfifo [-m mode] fifoname ...\n"); 127 exit(1); 128} 129