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4222b0cc KM |
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 are permitted | |
6 | * provided that the above copyright notice and this paragraph are | |
7 | * duplicated in all such forms and that any documentation, | |
8 | * advertising materials, and other materials related to such | |
9 | * distribution and use acknowledge that the software was developed | |
10 | * by the University of California, Berkeley. The name of the | |
11 | * University may not be used to endorse or promote products derived | |
12 | * from this software without specific prior written permission. | |
13 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR | |
14 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED | |
15 | * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
16 | */ | |
17 | ||
18 | #ifndef lint | |
19 | char copyright[] = | |
20 | "@(#) Copyright (c) 1990 Regents of the University of California.\n\ | |
21 | All rights reserved.\n"; | |
22 | #endif /* not lint */ | |
23 | ||
24 | #ifndef lint | |
38dde0cd | 25 | static char sccsid[] = "@(#)mkfifo.c 5.2 (Berkeley) %G%"; |
4222b0cc KM |
26 | #endif /* not lint */ |
27 | ||
28 | #include <sys/types.h> | |
29 | #include <sys/stat.h> | |
30 | #include <errno.h> | |
31 | #include <stdio.h> | |
38dde0cd | 32 | #include <string.h> |
4222b0cc KM |
33 | |
34 | main(argc, argv) | |
35 | int argc; | |
36 | char **argv; | |
37 | { | |
38 | extern int errno, optind; | |
39 | int ch, exitval, pflag; | |
40 | ||
41 | pflag = 0; | |
42 | while ((ch = getopt(argc, argv, "p")) != EOF) | |
43 | switch(ch) { | |
44 | case 'p': | |
45 | pflag = 1; | |
46 | break; | |
47 | case '?': | |
48 | default: | |
49 | usage(); | |
50 | } | |
51 | ||
52 | if (!*(argv += optind)) | |
53 | usage(); | |
54 | ||
55 | for (exitval = 0; *argv; ++argv) { | |
56 | if (pflag && build(*argv)) { | |
57 | exitval |= 1; | |
58 | continue; | |
59 | } | |
60 | if (mkfifo(*argv, 0777) < 0) { | |
61 | (void)fprintf(stderr, "mkfifo: %s: %s\n", | |
62 | *argv, strerror(errno)); | |
63 | exitval |= 1; | |
64 | } | |
65 | } | |
66 | exit(exitval); | |
67 | } | |
68 | ||
69 | build(path) | |
70 | char *path; | |
71 | { | |
72 | register char *p; | |
73 | struct stat sb; | |
74 | ||
75 | for (p = path; *p; p++) { | |
76 | if (*p != '/') | |
77 | continue; | |
78 | if (stat(path, &sb)) { | |
79 | if (errno != ENOENT || mkdir(path, 0777) < 0) { | |
80 | (void)fprintf(stderr, "mkdir: %s: %s\n", | |
81 | path, strerror(errno)); | |
82 | return(1); | |
83 | } | |
84 | } | |
85 | *p = '/'; | |
86 | } | |
87 | return(0); | |
88 | } | |
89 | ||
90 | usage() | |
91 | { | |
92 | (void)fprintf(stderr, "usage: mkfifo [-p] fifoname ...\n"); | |
93 | exit(1); | |
94 | } |