1 /* $NetBSD: mkfifo.c,v 1.9 2000/10/10 14:30:41 enami 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 44 static char sccsid[] = "@(#)mkfifo.c 8.2 (Berkeley) 1/5/94"; 45 #endif 46 __RCSID("$NetBSD: mkfifo.c,v 1.9 2000/10/10 14:30:41 enami 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 59 int main __P((int, char **)); 60 static void usage __P((void)); 61 62 int 63 main(argc, argv) 64 int argc; 65 char *argv[]; 66 { 67 int ch, exitval; 68 void *set; 69 mode_t mode; 70 71 setlocale (LC_ALL, ""); 72 73 /* The default mode is the value of the bitwise inclusive or of 74 S_IRUSR, S_IWUSR, S_IRGRP, S_IWGRP, S_IROTH, and S_IWOTH 75 modified by the file creation mask */ 76 mode = 0666 & ~umask(0); 77 78 while ((ch = getopt(argc, argv, "m:")) != -1) 79 switch(ch) { 80 case 'm': 81 if (!(set = setmode(optarg))) { 82 errx(1, "invalid file mode."); 83 /* NOTREACHED */ 84 } 85 /* In symbolic mode strings, the + and - operators are 86 interpreted relative to an assumed initial mode of 87 a=rw. */ 88 mode = getmode(set, 0666); 89 free(set); 90 break; 91 case '?': 92 default: 93 usage(); 94 } 95 argc -= optind; 96 argv += optind; 97 if (argv[0] == NULL) 98 usage(); 99 100 for (exitval = 0; *argv; ++argv) { 101 if (mkfifo(*argv, mode) < 0) { 102 warn("%s", *argv); 103 exitval = 1; 104 } 105 } 106 exit(exitval); 107 } 108 109 void 110 usage() 111 { 112 (void)fprintf(stderr, "usage: mkfifo [-m mode] fifoname ...\n"); 113 exit(1); 114 } 115