1/*	$NetBSD: mkfifo.c,v 1.8 1997/10/19 05:11:54 lukem Exp $	*/
2
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. All advertising materials mentioning features or use of this software
16 *    must display the following acknowledgement:
17 *	This product includes software developed by the University of
18 *	California, Berkeley and its contributors.
19 * 4. Neither the name of the University nor the names of its contributors
20 *    may be used to endorse or promote products derived from this software
21 *    without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
36#include <sys/cdefs.h>
37#ifndef lint
38__COPYRIGHT("@(#) Copyright (c) 1990, 1993\n\
39	The Regents of the University of California.  All rights reserved.\n");
40#endif /* not lint */
41
42#ifndef lint
43#if 0
44static char sccsid[] = "@(#)mkfifo.c	8.2 (Berkeley) 1/5/94";
45#endif
46__RCSID("$NetBSD: mkfifo.c,v 1.8 1997/10/19 05:11:54 lukem Exp $");
47#endif /* not lint */
48
49#include <stdio.h>
50#include <stdlib.h>
51#include <string.h>
52#include <locale.h>
53#include <errno.h>
54#include <sys/types.h>
55#include <sys/stat.h>
56#include <unistd.h>
57#include <err.h>
58#ifdef __APPLE__
59#include <get_compat.h>
60#else
61#define COMPAT_MODE(a,b) (1)
62#endif /* __APPLE__ */
63
64int	main __P((int, char **));
65static void usage __P((void));
66
67int
68main(argc, argv)
69	int argc;
70	char *argv[];
71{
72	int ch, exitval;
73	void * set;
74	mode_t mode = 0;
75	int m_used = 0;
76
77	setlocale (LC_ALL, "");
78
79	/* The default mode is the value of the bitwise inclusive or of
80	   S_IRUSR, S_IWUSR, S_IRGRP, S_IWGRP, S_IROTH, and S_IWOTH
81	   modified by the file creation mask */
82	if (!COMPAT_MODE("bin/mkfifo", "Unix2003")) {
83		mode = 0666 & ~umask(0);
84	}
85
86	while ((ch = getopt(argc, argv, "m:")) != -1)
87		switch(ch) {
88		case 'm':
89			m_used = 1;
90			if (!(set = setmode(optarg))) {
91				errx(1, "invalid file mode.");
92				/* NOTREACHED */
93			}
94			/* In symbolic mode strings, the + and - operators are
95			   interpreted relative to an assumed initial mode of
96			   a=rw. */
97			mode = getmode (set, 0666);
98			break;
99		case '?':
100		default:
101			usage();
102		}
103//	argc -= optind;
104	argv += optind;
105	if (argv[0] == NULL)
106		usage();
107
108	if (COMPAT_MODE("bin/mkfifo", "Unix2003")) {
109		mode_t maskbits = umask(0);	/* now must disable umask so -m mode won't be masked again */
110		if (!m_used)
111			mode = 0666 & ~maskbits;
112	}
113
114	for (exitval = 0; *argv; ++argv) {
115		if (mkfifo(*argv, mode) < 0) {
116			warn("%s", *argv);
117			exitval = 1;
118		}
119	}
120	exit(exitval);
121}
122
123void
124usage()
125{
126	(void)fprintf(stderr, "usage: mkfifo [-m mode] fifoname ...\n");
127	exit(1);
128}
129