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 static const char rcsid[] = 45 "$FreeBSD$"; 46 #endif /* not lint */ 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 <string.h> 55 #include <unistd.h> 56 57 #define BASEMODE S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | \ 58 S_IROTH | S_IWOTH 59 60 static void usage __P((void)); 61 62 static int f_mode; 63 64 int 65 main(argc, argv) 66 int argc; 67 char *argv[]; 68 { 69 char *modestr; 70 void *modep; 71 mode_t fifomode; 72 int ch, exitval; 73 74 while ((ch = getopt(argc, argv, "m:")) != -1) 75 switch(ch) { 76 case 'm': 77 f_mode = 1; 78 modestr = optarg; 79 break; 80 case '?': 81 default: 82 usage(); 83 } 84 argc -= optind; 85 argv += optind; 86 if (argv[0] == NULL) 87 usage(); 88 89 if (f_mode) { 90 umask(0); 91 errno = 0; 92 if ((modep = setmode(modestr)) == NULL) { 93 if (errno) 94 err(1, "setmode"); 95 errx(1, "invalid file mode: %s", modestr); 96 } 97 fifomode = getmode(modep, BASEMODE); 98 } else { 99 fifomode = BASEMODE; 100 } 101 102 for (exitval = 0; *argv != NULL; ++argv) 103 if (mkfifo(*argv, fifomode) < 0) { 104 warn("%s", *argv); 105 exitval = 1; 106 } 107 exit(exitval); 108 } 109 110 static void 111 usage() 112 { 113 (void)fprintf(stderr, "usage: mkfifo [-m mode] fifo_name ...\n"); 114 exit(1); 115 } 116