mkfifo.c revision 99112
1249259Sdim/* 2249259Sdim * Copyright (c) 1990, 1993 3249259Sdim * The Regents of the University of California. All rights reserved. 4249259Sdim * 5249259Sdim * Redistribution and use in source and binary forms, with or without 6249259Sdim * modification, are permitted provided that the following conditions 7249259Sdim * are met: 8249259Sdim * 1. Redistributions of source code must retain the above copyright 9249259Sdim * notice, this list of conditions and the following disclaimer. 10249259Sdim * 2. Redistributions in binary form must reproduce the above copyright 11249259Sdim * notice, this list of conditions and the following disclaimer in the 12249259Sdim * documentation and/or other materials provided with the distribution. 13249259Sdim * 3. All advertising materials mentioning features or use of this software 14249259Sdim * must display the following acknowledgement: 15249259Sdim * This product includes software developed by the University of 16249259Sdim * California, Berkeley and its contributors. 17249259Sdim * 4. Neither the name of the University nor the names of its contributors 18249259Sdim * may be used to endorse or promote products derived from this software 19249259Sdim * without specific prior written permission. 20249259Sdim * 21249259Sdim * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22249259Sdim * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23249259Sdim * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24249259Sdim * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25249259Sdim * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26249259Sdim * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27249259Sdim * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28249259Sdim * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29249259Sdim * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30249259Sdim * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31249259Sdim * SUCH DAMAGE. 32249259Sdim */ 33249259Sdim 34249259Sdim#ifndef lint 35249259Sdimstatic const char copyright[] = 36249259Sdim"@(#) Copyright (c) 1990, 1993\n\ 37249259Sdim The Regents of the University of California. All rights reserved.\n"; 38249259Sdim#endif /* not lint */ 39249259Sdim 40249259Sdim#ifndef lint 41249259Sdim#if 0 42249259Sdimstatic char sccsid[] = "@(#)mkfifo.c 8.2 (Berkeley) 1/5/94"; 43249259Sdim#endif 44249259Sdim#endif /* not lint */ 45249259Sdim#include <sys/cdefs.h> 46249259Sdim__FBSDID("$FreeBSD: head/usr.bin/mkfifo/mkfifo.c 99112 2002-06-30 05:25:07Z obrien $"); 47249259Sdim 48249259Sdim#include <sys/types.h> 49249259Sdim#include <sys/stat.h> 50249259Sdim 51249259Sdim#include <err.h> 52249259Sdim#include <errno.h> 53249259Sdim#include <stdio.h> 54249259Sdim#include <stdlib.h> 55249259Sdim#include <string.h> 56249259Sdim#include <unistd.h> 57249259Sdim 58249259Sdim#define BASEMODE S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | \ 59249259Sdim S_IROTH | S_IWOTH 60249259Sdim 61249259Sdimstatic void usage(void); 62249259Sdim 63249259Sdimstatic int f_mode; 64249259Sdim 65249259Sdimint 66249259Sdimmain(argc, argv) 67249259Sdim int argc; 68249259Sdim char *argv[]; 69249259Sdim{ 70249259Sdim char *modestr; 71249259Sdim void *modep; 72249259Sdim mode_t fifomode; 73249259Sdim int ch, exitval; 74249259Sdim 75249259Sdim while ((ch = getopt(argc, argv, "m:")) != -1) 76249259Sdim switch(ch) { 77249259Sdim case 'm': 78249259Sdim f_mode = 1; 79249259Sdim modestr = optarg; 80249259Sdim break; 81249259Sdim case '?': 82249259Sdim default: 83249259Sdim usage(); 84249259Sdim } 85249259Sdim argc -= optind; 86249259Sdim argv += optind; 87249259Sdim if (argv[0] == NULL) 88249259Sdim usage(); 89249259Sdim 90249259Sdim if (f_mode) { 91249259Sdim umask(0); 92249259Sdim errno = 0; 93249259Sdim if ((modep = setmode(modestr)) == NULL) { 94249259Sdim if (errno) 95249259Sdim err(1, "setmode"); 96249259Sdim errx(1, "invalid file mode: %s", modestr); 97249259Sdim } 98249259Sdim fifomode = getmode(modep, BASEMODE); 99249259Sdim } else { 100249259Sdim fifomode = BASEMODE; 101249259Sdim } 102249259Sdim 103249259Sdim for (exitval = 0; *argv != NULL; ++argv) 104249259Sdim if (mkfifo(*argv, fifomode) < 0) { 105249259Sdim warn("%s", *argv); 106249259Sdim exitval = 1; 107249259Sdim } 108249259Sdim exit(exitval); 109249259Sdim} 110249259Sdim 111249259Sdimstatic void 112249259Sdimusage() 113249259Sdim{ 114249259Sdim (void)fprintf(stderr, "usage: mkfifo [-m mode] fifo_name ...\n"); 115249259Sdim exit(1); 116249259Sdim} 117249259Sdim