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1b96d65e | 1 | /*- |
ad787160 C |
2 | * Copyright (c) 1993 |
3 | * The Regents of the University of California. All rights reserved. | |
fcd79f54 | 4 | * |
c0567266 KB |
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. | |
f42904bc DF |
32 | */ |
33 | ||
34 | #ifndef lint | |
ad787160 C |
35 | static char copyright[] = |
36 | "@(#) Copyright (c) 1993\n\ | |
37 | The Regents of the University of California. All rights reserved.\n"; | |
dd5712e6 | 38 | #endif /* not lint */ |
f42904bc | 39 | |
840fc587 | 40 | #ifndef lint |
fd88f5c5 | 41 | static char sccsid[] = "@(#)whereis.c 8.3 (Berkeley) 5/4/95"; |
dd5712e6 | 42 | #endif /* not lint */ |
bb7fff06 | 43 | |
0aa1b875 | 44 | #include <sys/param.h> |
1b96d65e KB |
45 | #include <sys/stat.h> |
46 | #include <sys/sysctl.h> | |
47 | ||
48 | #include <err.h> | |
49 | #include <errno.h> | |
0e305e25 | 50 | #include <stdio.h> |
1b96d65e KB |
51 | #include <stdlib.h> |
52 | #include <string.h> | |
bf3186a8 | 53 | #include <unistd.h> |
0e305e25 | 54 | |
1b96d65e | 55 | void usage __P((void)); |
0e305e25 | 56 | |
1b96d65e | 57 | int |
0e305e25 BJ |
58 | main(argc, argv) |
59 | int argc; | |
60 | char *argv[]; | |
61 | { | |
1b96d65e KB |
62 | struct stat sb; |
63 | size_t len; | |
64 | int ch, sverrno, mib[2]; | |
65 | char *p, *t, *std, path[MAXPATHLEN]; | |
66 | ||
67 | while ((ch = getopt(argc, argv, "")) != EOF) | |
68 | switch (ch) { | |
69 | case '?': | |
70 | default: | |
71 | usage(); | |
0e305e25 | 72 | } |
1b96d65e KB |
73 | argc -= optind; |
74 | argv += optind; | |
75 | ||
c6edfcf6 KB |
76 | if (argc == 0) |
77 | usage(); | |
78 | ||
1b96d65e KB |
79 | /* Retrieve the standard path. */ |
80 | mib[0] = CTL_USER; | |
81 | mib[1] = USER_CS_PATH; | |
82 | if (sysctl(mib, 2, NULL, &len, NULL, 0) == -1) | |
83 | return (-1); | |
84 | if (len == 0) | |
85 | err(1, "user_cs_path: sysctl: zero length\n"); | |
86 | if ((std = malloc(len)) == NULL) | |
87 | err(1, NULL); | |
88 | if (sysctl(mib, 2, std, &len, NULL, 0) == -1) { | |
89 | sverrno = errno; | |
90 | free(std); | |
91 | errno = sverrno; | |
92 | err(1, "sysctl: user_cs_path"); | |
0e305e25 | 93 | } |
0e305e25 | 94 | |
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95 | /* For each path, for each program... */ |
96 | for (; *argv; ++argv) | |
97 | for (p = std;; *p++ = ':') { | |
98 | t = p; | |
99 | if ((p = strchr(p, ':')) != NULL) { | |
100 | *p = '\0'; | |
101 | if (t == p) | |
102 | t = "."; | |
103 | } else | |
104 | if (strlen(t) == 0) | |
105 | t = "."; | |
106 | (void)snprintf(path, sizeof(path), "%s/%s", t, *argv); | |
107 | if (!stat(path, &sb)) | |
108 | (void)printf("%s\n", path); | |
109 | if (p == NULL) | |
110 | break; | |
0e305e25 | 111 | } |
0e305e25 BJ |
112 | } |
113 | ||
1b96d65e KB |
114 | void |
115 | usage() | |
0e305e25 | 116 | { |
c6edfcf6 KB |
117 | |
118 | (void)fprintf(stderr, "usage: whereis program [...]\n"); | |
1b96d65e | 119 | exit (1); |
0e305e25 | 120 | } |