1/*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 1990, 1993
5 *	The Regents of the University of California.  All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 *    may be used to endorse or promote products derived from this software
17 *    without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32#ifndef lint
33static const char copyright[] =
34"@(#) Copyright (c) 1990, 1993\n\
35	The Regents of the University of California.  All rights reserved.\n";
36#endif /* not lint */
37
38#ifndef lint
39#if 0
40static char sccsid[] = "@(#)mkfifo.c	8.2 (Berkeley) 1/5/94";
41#endif
42#endif /* not lint */
43#include <sys/cdefs.h>
44__FBSDID("$FreeBSD$");
45
46#include <sys/types.h>
47#include <sys/stat.h>
48
49#include <err.h>
50#include <errno.h>
51#include <stdio.h>
52#include <stdlib.h>
53#include <string.h>
54#include <unistd.h>
55
56#define	BASEMODE	S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | \
57			S_IROTH | S_IWOTH
58
59static void usage(void);
60
61static int f_mode;
62
63int
64main(int argc, char *argv[])
65{
66	const char *modestr = NULL;
67	const void *modep;
68	mode_t fifomode;
69	int ch, exitval;
70
71	while ((ch = getopt(argc, argv, "m:")) != -1)
72		switch(ch) {
73		case 'm':
74			f_mode = 1;
75			modestr = optarg;
76			break;
77		case '?':
78		default:
79			usage();
80		}
81	argc -= optind;
82	argv += optind;
83	if (argv[0] == NULL)
84		usage();
85
86	if (f_mode) {
87		umask(0);
88		errno = 0;
89		if ((modep = setmode(modestr)) == NULL) {
90			if (errno)
91				err(1, "setmode");
92			errx(1, "invalid file mode: %s", modestr);
93		}
94		fifomode = getmode(modep, BASEMODE);
95	} else {
96		fifomode = BASEMODE;
97	}
98
99	for (exitval = 0; *argv != NULL; ++argv)
100		if (mkfifo(*argv, fifomode) < 0) {
101			warn("%s", *argv);
102			exitval = 1;
103		}
104	exit(exitval);
105}
106
107static void
108usage(void)
109{
110	(void)fprintf(stderr, "usage: mkfifo [-m mode] fifo_name ...\n");
111	exit(1);
112}
113