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15637ed4 RG |
1 | /* |
2 | * Copyright (c) 1990 Regents of the University of California. | |
3 | * 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 | char copyright[] = | |
36 | "@(#) Copyright (c) 1990 Regents of the University of California.\n\ | |
37 | All rights reserved.\n"; | |
38 | #endif /* not lint */ | |
39 | ||
40 | #ifndef lint | |
41 | static char sccsid[] = "@(#)mkfifo.c 5.3 (Berkeley) 6/1/90"; | |
42 | #endif /* not lint */ | |
43 | ||
44 | #include <sys/types.h> | |
45 | #include <sys/stat.h> | |
46 | #include <errno.h> | |
47 | #include <stdio.h> | |
8882fb12 | 48 | #include <stdlib.h> |
15637ed4 RG |
49 | #include <string.h> |
50 | ||
8882fb12 C |
51 | extern void *setmode(); |
52 | extern mode_t getmode(); | |
53 | ||
15637ed4 RG |
54 | main(argc, argv) |
55 | int argc; | |
56 | char **argv; | |
57 | { | |
8882fb12 C |
58 | int ch, exitval; |
59 | void * set; | |
60 | mode_t mode; | |
61 | ||
62 | /* The default mode is the value of the bitwise inclusive or of | |
63 | S_IRUSR, S_IWUSR, S_IRGRP, S_IWGRP, S_IROTH, and S_IWOTH | |
64 | modified by the file creation mask */ | |
65 | mode = 0666 & ~umask(0); | |
15637ed4 | 66 | |
8882fb12 | 67 | while ((ch = getopt(argc, argv, "m:")) != EOF) |
15637ed4 | 68 | switch(ch) { |
8882fb12 C |
69 | case 'm': |
70 | if (!(set = setmode(optarg))) { | |
71 | (void)fprintf(stderr, "mkfifo: invalid file mode.\n"); | |
72 | exit(1); | |
73 | } | |
74 | /* In symbolic mode strings, the + and - operators are | |
75 | interpreted relative to an assumed initial mode of | |
76 | a=rw. */ | |
77 | mode = getmode (set, 0666); | |
15637ed4 RG |
78 | break; |
79 | case '?': | |
80 | default: | |
81 | usage(); | |
82 | } | |
83 | ||
84 | if (!*(argv += optind)) | |
85 | usage(); | |
86 | ||
87 | for (exitval = 0; *argv; ++argv) { | |
8882fb12 | 88 | if (mkfifo(*argv, mode) < 0) { |
15637ed4 RG |
89 | (void)fprintf(stderr, "mkfifo: %s: %s\n", |
90 | *argv, strerror(errno)); | |
8882fb12 | 91 | exitval = 1; |
15637ed4 RG |
92 | } |
93 | } | |
94 | exit(exitval); | |
95 | } | |
96 | ||
15637ed4 RG |
97 | usage() |
98 | { | |
8882fb12 | 99 | (void)fprintf(stderr, "usage: mkfifo [-m mode] fifoname ...\n"); |
15637ed4 RG |
100 | exit(1); |
101 | } |