xref: /freebsd/usr.bin/mkfifo/mkfifo.c (revision 05c7a37afb48ddd5ee1bd921a5d46fe59cc70b15)
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 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 static char sccsid[] = "@(#)mkfifo.c	8.2 (Berkeley) 1/5/94";
42 #endif /* not lint */
43 
44 #include <sys/types.h>
45 #include <sys/stat.h>
46 
47 #include <errno.h>
48 #include <stdio.h>
49 #include <string.h>
50 
51 int
52 main(argc, argv)
53 	int argc;
54 	char *argv[];
55 {
56 	extern int optind;
57 	int ch, exitval;
58 
59 	while ((ch = getopt(argc, argv, "")) != EOF)
60 		switch(ch) {
61 		case '?':
62 		default:
63 			usage();
64 		}
65 	argc -= optind;
66 	argv += optind;
67 	if (argv[0] == NULL)
68 		usage();
69 
70 	for (exitval = 0; *argv != NULL; ++argv)
71 		if (mkfifo(*argv, S_IRWXU | S_IRWXG | S_IRWXO) < 0) {
72 			warn("%s", *argv);
73 			exitval = 1;
74 		}
75 	exit(exitval);
76 }
77 
78 usage()
79 {
80 	(void)fprintf(stderr, "usage: mkfifo fifoname ...\n");
81 	exit(1);
82 }
83