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. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#) Copyright (c) 1990, 1993 The Regents of the University of California. All rights reserved. 30 * @(#)mkfifo.c 8.2 (Berkeley) 1/5/94 31 * $FreeBSD: src/usr.bin/mkfifo/mkfifo.c,v 1.5 1999/08/28 01:04:06 peter Exp $ 32 * $DragonFly: src/usr.bin/mkfifo/mkfifo.c,v 1.7 2005/03/16 07:16:14 cpressey Exp $ 33 */ 34 35 #include <sys/types.h> 36 #include <sys/stat.h> 37 38 #include <err.h> 39 #include <errno.h> 40 #include <stdio.h> 41 #include <stdlib.h> 42 #include <unistd.h> 43 44 #define BASEMODE S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | \ 45 S_IROTH | S_IWOTH 46 47 static void usage(void); 48 49 static int f_mode; 50 51 int 52 main(int argc, char **argv) 53 { 54 const char *modestr; 55 void *modep; 56 mode_t fifomode; 57 int ch, exitval; 58 59 modestr = modep = NULL; 60 61 while ((ch = getopt(argc, argv, "m:")) != -1) { 62 switch (ch) { 63 case 'm': 64 f_mode = 1; 65 modestr = optarg; 66 break; 67 case '?': 68 default: 69 usage(); 70 } 71 } 72 argc -= optind; 73 argv += optind; 74 if (argv[0] == NULL) 75 usage(); 76 77 if (f_mode) { 78 umask(0); 79 errno = 0; 80 if ((modep = setmode(modestr)) == NULL) { 81 if (errno != 0) 82 err(1, "malloc failed"); 83 errx(1, "invalid file mode: %s", modestr); 84 } 85 fifomode = getmode(modep, BASEMODE); 86 /* No need to free() modep here, as we'll be exiting soon. */ 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 } 97 exit(exitval); 98 } 99 100 static void 101 usage(void) 102 { 103 fprintf(stderr, "usage: mkfifo [-m mode] fifo_name ...\n"); 104 exit(1); 105 } 106