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b93cdb48 WJ |
1 | /*- |
2 | * Copyright (c) 1990 The 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 | static char sccsid[] = "@(#)main.c 5.9 (Berkeley) 5/24/91"; | |
36 | #endif /* not lint */ | |
37 | ||
38 | #include <sys/types.h> | |
39 | #include <sys/stat.h> | |
40 | #include <fcntl.h> | |
41 | #include <time.h> | |
42 | #include <fts.h> | |
43 | #include <errno.h> | |
44 | #include <stdio.h> | |
45 | #include <stdlib.h> | |
46 | #include "find.h" | |
47 | ||
48 | time_t now; /* time find was run */ | |
49 | int dotfd; /* starting directory */ | |
50 | int ftsoptions; /* options for the ftsopen(3) call */ | |
51 | int isdeprecated; /* using deprecated syntax */ | |
52 | int isdepth; /* do directories on post-order visit */ | |
53 | int isoutput; /* user specified output operator */ | |
54 | int isxargs; /* don't permit xargs delimiting chars */ | |
55 | ||
56 | static void usage(); | |
57 | ||
58 | main(argc, argv) | |
59 | int argc; | |
60 | char **argv; | |
61 | { | |
62 | register char **p, **start; | |
63 | PLAN *find_formplan(); | |
64 | int ch; | |
65 | ||
66 | (void)time(&now); /* initialize the time-of-day */ | |
67 | ||
68 | p = start = argv; | |
69 | ftsoptions = FTS_NOSTAT|FTS_PHYSICAL; | |
70 | while ((ch = getopt(argc, argv, "df:sXx")) != EOF) | |
71 | switch(ch) { | |
72 | case 'd': | |
73 | isdepth = 1; | |
74 | break; | |
75 | case 'f': | |
76 | *p++ = optarg; | |
77 | break; | |
78 | case 's': | |
79 | ftsoptions &= ~FTS_PHYSICAL; | |
80 | ftsoptions |= FTS_LOGICAL; | |
81 | break; | |
82 | case 'X': | |
83 | isxargs = 1; | |
84 | break; | |
85 | case 'x': | |
86 | ftsoptions &= ~FTS_NOSTAT; | |
87 | ftsoptions |= FTS_XDEV; | |
88 | break; | |
89 | case '?': | |
90 | default: | |
91 | break; | |
92 | } | |
93 | ||
94 | argc -= optind; | |
95 | argv += optind; | |
96 | ||
97 | /* Find first option to delimit the file list. */ | |
98 | while (*argv) { | |
99 | if (option(*argv)) | |
100 | break; | |
101 | *p++ = *argv++; | |
102 | } | |
103 | ||
104 | if (p == start) | |
105 | usage(); | |
106 | *p = NULL; | |
107 | ||
108 | if ((dotfd = open(".", O_RDONLY, 0)) < 0) | |
109 | err(".: %s", strerror(errno)); | |
110 | ||
111 | find_execute(find_formplan(argv), start); | |
112 | } | |
113 | ||
114 | static void | |
115 | usage() | |
116 | { | |
117 | (void)fprintf(stderr, | |
118 | "usage: find [-dsXx] [-f file] [file ...] expression\n"); | |
119 | exit(1); | |
120 | } |