1 /* 2 * Copyright (c) 1990, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#) Copyright (c) 1990, 1993 The Regents of the University of California. All rights reserved. 34 * @(#)mkfifo.c 8.2 (Berkeley) 1/5/94 35 * $FreeBSD: src/usr.bin/mkfifo/mkfifo.c,v 1.5 1999/08/28 01:04:06 peter Exp $ 36 * $DragonFly: src/usr.bin/mkfifo/mkfifo.c,v 1.3 2003/10/04 20:36:49 hmp Exp $ 37 */ 38 39 #include <sys/types.h> 40 #include <sys/stat.h> 41 42 #include <err.h> 43 #include <errno.h> 44 #include <stdio.h> 45 #include <string.h> 46 #include <unistd.h> 47 48 #define BASEMODE S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | \ 49 S_IROTH | S_IWOTH 50 51 static void usage(void); 52 53 static int f_mode; 54 55 int 56 main(int argc, char **argv) 57 { 58 char *modestr; 59 void *modep; 60 mode_t fifomode; 61 int ch, exitval; 62 63 while ((ch = getopt(argc, argv, "m:")) != -1) 64 switch(ch) { 65 case 'm': 66 f_mode = 1; 67 modestr = optarg; 68 break; 69 case '?': 70 default: 71 usage(); 72 } 73 argc -= optind; 74 argv += optind; 75 if (argv[0] == NULL) 76 usage(); 77 78 if (f_mode) { 79 umask(0); 80 errno = 0; 81 if ((modep = setmode(modestr)) == NULL) { 82 if (errno) 83 err(1, "setmode"); 84 errx(1, "invalid file mode: %s", modestr); 85 } 86 fifomode = getmode(modep, BASEMODE); 87 } else { 88 fifomode = BASEMODE; 89 } 90 91 for (exitval = 0; *argv != NULL; ++argv) 92 if (mkfifo(*argv, fifomode) < 0) { 93 warn("%s", *argv); 94 exitval = 1; 95 } 96 exit(exitval); 97 } 98 99 static void 100 usage(void) 101 { 102 (void)fprintf(stderr, "usage: mkfifo [-m mode] fifo_name ...\n"); 103 exit(1); 104 } 105