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4222b0cc KM |
1 | /* |
2 | * Copyright (c) 1990 Regents of the University of California. | |
3 | * All rights reserved. | |
4 | * | |
f15db449 | 5 | * %sccs.include.redist.c% |
4222b0cc KM |
6 | */ |
7 | ||
8 | #ifndef lint | |
9 | char copyright[] = | |
10 | "@(#) Copyright (c) 1990 Regents of the University of California.\n\ | |
11 | All rights reserved.\n"; | |
12 | #endif /* not lint */ | |
13 | ||
14 | #ifndef lint | |
f15db449 | 15 | static char sccsid[] = "@(#)mkfifo.c 5.3 (Berkeley) %G%"; |
4222b0cc KM |
16 | #endif /* not lint */ |
17 | ||
18 | #include <sys/types.h> | |
19 | #include <sys/stat.h> | |
20 | #include <errno.h> | |
21 | #include <stdio.h> | |
38dde0cd | 22 | #include <string.h> |
4222b0cc KM |
23 | |
24 | main(argc, argv) | |
25 | int argc; | |
26 | char **argv; | |
27 | { | |
28 | extern int errno, optind; | |
29 | int ch, exitval, pflag; | |
30 | ||
31 | pflag = 0; | |
32 | while ((ch = getopt(argc, argv, "p")) != EOF) | |
33 | switch(ch) { | |
34 | case 'p': | |
35 | pflag = 1; | |
36 | break; | |
37 | case '?': | |
38 | default: | |
39 | usage(); | |
40 | } | |
41 | ||
42 | if (!*(argv += optind)) | |
43 | usage(); | |
44 | ||
45 | for (exitval = 0; *argv; ++argv) { | |
46 | if (pflag && build(*argv)) { | |
47 | exitval |= 1; | |
48 | continue; | |
49 | } | |
50 | if (mkfifo(*argv, 0777) < 0) { | |
51 | (void)fprintf(stderr, "mkfifo: %s: %s\n", | |
52 | *argv, strerror(errno)); | |
53 | exitval |= 1; | |
54 | } | |
55 | } | |
56 | exit(exitval); | |
57 | } | |
58 | ||
59 | build(path) | |
60 | char *path; | |
61 | { | |
62 | register char *p; | |
63 | struct stat sb; | |
64 | ||
65 | for (p = path; *p; p++) { | |
66 | if (*p != '/') | |
67 | continue; | |
68 | if (stat(path, &sb)) { | |
69 | if (errno != ENOENT || mkdir(path, 0777) < 0) { | |
70 | (void)fprintf(stderr, "mkdir: %s: %s\n", | |
71 | path, strerror(errno)); | |
72 | return(1); | |
73 | } | |
74 | } | |
75 | *p = '/'; | |
76 | } | |
77 | return(0); | |
78 | } | |
79 | ||
80 | usage() | |
81 | { | |
82 | (void)fprintf(stderr, "usage: mkfifo [-p] fifoname ...\n"); | |
83 | exit(1); | |
84 | } |