Annotation of src/usr.bin/mkfifo/mkfifo.c, Revision 1.1.1.1
1.1 deraadt 1: /* $NetBSD: mkfifo.c,v 1.7 1994/12/23 07:16:56 jtc 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: #ifndef lint
37: static char copyright[] =
38: "@(#) 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
44: static char sccsid[] = "@(#)mkfifo.c 8.2 (Berkeley) 1/5/94";
45: #endif
46: static char rcsid[] = "$NetBSD: mkfifo.c,v 1.7 1994/12/23 07:16:56 jtc 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:
59: static void usage();
60:
61: int
62: main(argc, argv)
63: int argc;
64: char *argv[];
65: {
66: int ch, exitval;
67: void * set;
68: mode_t mode;
69:
70: setlocale (LC_ALL, "");
71:
72: /* The default mode is the value of the bitwise inclusive or of
73: S_IRUSR, S_IWUSR, S_IRGRP, S_IWGRP, S_IROTH, and S_IWOTH
74: modified by the file creation mask */
75: mode = 0666 & ~umask(0);
76:
77: while ((ch = getopt(argc, argv, "m:")) != -1)
78: switch(ch) {
79: case 'm':
80: if (!(set = setmode(optarg))) {
81: errx(1, "invalid file mode.");
82: /* NOTREACHED */
83: }
84: /* In symbolic mode strings, the + and - operators are
85: interpreted relative to an assumed initial mode of
86: a=rw. */
87: mode = getmode (set, 0666);
88: break;
89: case '?':
90: default:
91: usage();
92: }
93: argc -= optind;
94: argv += optind;
95: if (argv[0] == NULL)
96: usage();
97:
98: for (exitval = 0; *argv; ++argv) {
99: if (mkfifo(*argv, mode) < 0) {
100: warn("%s", *argv);
101: exitval = 1;
102: }
103: }
104: exit(exitval);
105: }
106:
107: void
108: usage()
109: {
110: (void)fprintf(stderr, "usage: mkfifo [-m mode] fifoname ...\n");
111: exit(1);
112: }