1 /* $NetBSD: mkfifo.c,v 1.7 1994/12/23 07:16:56 jtc 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 #ifndef lint 37 static char copyright[] = 38 "@(#) 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 static char rcsid[] = "$NetBSD: mkfifo.c,v 1.7 1994/12/23 07:16:56 jtc 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 static void usage(); 60 61 int 62 main(argc, argv) 63 int argc; 64 char *argv[]; 65 { 66 int ch, exitval; 67 void * set; 68 mode_t mode; 69 70 setlocale (LC_ALL, ""); 71 72 /* The default mode is the value of the bitwise inclusive or of 73 S_IRUSR, S_IWUSR, S_IRGRP, S_IWGRP, S_IROTH, and S_IWOTH 74 modified by the file creation mask */ 75 mode = 0666 & ~umask(0); 76 77 while ((ch = getopt(argc, argv, "m:")) != -1) 78 switch(ch) { 79 case 'm': 80 if (!(set = setmode(optarg))) { 81 errx(1, "invalid file mode."); 82 /* NOTREACHED */ 83 } 84 /* In symbolic mode strings, the + and - operators are 85 interpreted relative to an assumed initial mode of 86 a=rw. */ 87 mode = getmode (set, 0666); 88 break; 89 case '?': 90 default: 91 usage(); 92 } 93 argc -= optind; 94 argv += optind; 95 if (argv[0] == NULL) 96 usage(); 97 98 for (exitval = 0; *argv; ++argv) { 99 if (mkfifo(*argv, mode) < 0) { 100 warn("%s", *argv); 101 exitval = 1; 102 } 103 } 104 exit(exitval); 105 } 106 107 void 108 usage() 109 { 110 (void)fprintf(stderr, "usage: mkfifo [-m mode] fifoname ...\n"); 111 exit(1); 112 } 113