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 34 #ifndef lint 35 static const char copyright[] = 36 "@(#) Copyright (c) 1990, 1993\n\ 37 The Regents of the University of California. All rights reserved.\n"; 38 #endif /* not lint */ 39 40 #ifndef lint 41 #if 0 42 static char sccsid[] = "@(#)mkfifo.c 8.2 (Berkeley) 1/5/94"; 43 #endif 44 #endif /* not lint */ 45 #include <sys/cdefs.h> 46 __FBSDID("$FreeBSD$"); 47 48 #include <sys/types.h> 49 #include <sys/stat.h> 50 51 #include <err.h> 52 #include <errno.h> 53 #include <stdio.h> 54 #include <stdlib.h> 55 #include <string.h> 56 #include <unistd.h> 57 58 #define BASEMODE S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | \ 59 S_IROTH | S_IWOTH 60 61 static void usage(void); 62 63 static int f_mode; 64 65 int 66 main(int argc, char *argv[]) 67 { 68 const char *modestr = NULL; 69 const void *modep; 70 mode_t fifomode; 71 int ch, exitval; 72 73 while ((ch = getopt(argc, argv, "m:")) != -1) 74 switch(ch) { 75 case 'm': 76 f_mode = 1; 77 modestr = optarg; 78 break; 79 case '?': 80 default: 81 usage(); 82 } 83 argc -= optind; 84 argv += optind; 85 if (argv[0] == NULL) 86 usage(); 87 88 if (f_mode) { 89 umask(0); 90 errno = 0; 91 if ((modep = setmode(modestr)) == NULL) { 92 if (errno) 93 err(1, "setmode"); 94 errx(1, "invalid file mode: %s", modestr); 95 } 96 fifomode = getmode(modep, BASEMODE); 97 } else { 98 fifomode = BASEMODE; 99 } 100 101 for (exitval = 0; *argv != NULL; ++argv) 102 if (mkfifo(*argv, fifomode) < 0) { 103 warn("%s", *argv); 104 exitval = 1; 105 } 106 exit(exitval); 107 } 108 109 static void 110 usage(void) 111 { 112 (void)fprintf(stderr, "usage: mkfifo [-m mode] fifo_name ...\n"); 113 exit(1); 114 } 115