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 1.7 2005/03/16 07:16:14 cpressey 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 <stdlib.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 const char *modestr; 59 void *modep; 60 mode_t fifomode; 61 int ch, exitval; 62 63 modestr = modep = NULL; 64 65 while ((ch = getopt(argc, argv, "m:")) != -1) { 66 switch (ch) { 67 case 'm': 68 f_mode = 1; 69 modestr = optarg; 70 break; 71 case '?': 72 default: 73 usage(); 74 } 75 } 76 argc -= optind; 77 argv += optind; 78 if (argv[0] == NULL) 79 usage(); 80 81 if (f_mode) { 82 umask(0); 83 errno = 0; 84 if ((modep = setmode(modestr)) == NULL) { 85 if (errno != 0) 86 err(1, "malloc failed"); 87 errx(1, "invalid file mode: %s", modestr); 88 } 89 fifomode = getmode(modep, BASEMODE); 90 /* No need to free() modep here, as we'll be exiting soon. */ 91 } else { 92 fifomode = BASEMODE; 93 } 94 95 for (exitval = 0; *argv != NULL; ++argv) { 96 if (mkfifo(*argv, fifomode) < 0) { 97 warn("%s", *argv); 98 exitval = 1; 99 } 100 } 101 exit(exitval); 102 } 103 104 static void 105 usage(void) 106 { 107 fprintf(stderr, "usage: mkfifo [-m mode] fifo_name ...\n"); 108 exit(1); 109 } 110