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 * 4. 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
30#ifndef lint
31static const char copyright[] =
32"@(#) Copyright (c) 1990, 1993\n\
33	The Regents of the University of California.  All rights reserved.\n";
34#endif /* not lint */
35
36#ifndef lint
37#if 0
38static char sccsid[] = "@(#)mkfifo.c	8.2 (Berkeley) 1/5/94";
39#endif
40#endif /* not lint */
41#include <sys/cdefs.h>
42__FBSDID("$FreeBSD$");
43
44#include <sys/types.h>
45#include <sys/stat.h>
46
47#include <err.h>
48#include <errno.h>
49#include <stdio.h>
50#include <stdlib.h>
51#include <string.h>
52#include <unistd.h>
53
54#define	BASEMODE	S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | \
55			S_IROTH | S_IWOTH
56
57static void usage(void);
58
59static int f_mode;
60
61int
62main(int argc, char *argv[])
63{
64	const char *modestr = NULL;
65	const void *modep;
66	mode_t fifomode;
67	int ch, exitval;
68
69	while ((ch = getopt(argc, argv, "m:")) != -1)
70		switch(ch) {
71		case 'm':
72			f_mode = 1;
73			modestr = optarg;
74			break;
75		case '?':
76		default:
77			usage();
78		}
79	argc -= optind;
80	argv += optind;
81	if (argv[0] == NULL)
82		usage();
83
84	if (f_mode) {
85		umask(0);
86		errno = 0;
87		if ((modep = setmode(modestr)) == NULL) {
88			if (errno)
89				err(1, "setmode");
90			errx(1, "invalid file mode: %s", modestr);
91		}
92		fifomode = getmode(modep, BASEMODE);
93	} else {
94		fifomode = BASEMODE;
95	}
96
97	for (exitval = 0; *argv != NULL; ++argv)
98		if (mkfifo(*argv, fifomode) < 0) {
99			warn("%s", *argv);
100			exitval = 1;
101		}
102	exit(exitval);
103}
104
105static void
106usage(void)
107{
108	(void)fprintf(stderr, "usage: mkfifo [-m mode] fifo_name ...\n");
109	exit(1);
110}
111