Commit | Line | Data |
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15637ed4 | 1 | /*- |
78ed81a3 | 2 | * Copyright (c) 1990, 1993 |
3 | * The Regents of the University of California. All rights reserved. | |
15637ed4 RG |
4 | * |
5 | * This code is derived from software contributed to Berkeley by | |
6 | * Cimarron D. Taylor of the University of California, Berkeley. | |
7 | * | |
8 | * Redistribution and use in source and binary forms, with or without | |
9 | * modification, are permitted provided that the following conditions | |
10 | * are met: | |
11 | * 1. Redistributions of source code must retain the above copyright | |
12 | * notice, this list of conditions and the following disclaimer. | |
13 | * 2. Redistributions in binary form must reproduce the above copyright | |
14 | * notice, this list of conditions and the following disclaimer in the | |
15 | * documentation and/or other materials provided with the distribution. | |
16 | * 3. All advertising materials mentioning features or use of this software | |
17 | * must display the following acknowledgement: | |
18 | * This product includes software developed by the University of | |
19 | * California, Berkeley and its contributors. | |
20 | * 4. Neither the name of the University nor the names of its contributors | |
21 | * may be used to endorse or promote products derived from this software | |
22 | * without specific prior written permission. | |
23 | * | |
24 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
25 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
26 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
27 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
28 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
29 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
30 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
31 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
32 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
33 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
34 | * SUCH DAMAGE. | |
35 | */ | |
36 | ||
37 | #ifndef lint | |
78ed81a3 | 38 | static char sccsid[] = "@(#)option.c 8.1 (Berkeley) 6/6/93"; |
15637ed4 RG |
39 | #endif /* not lint */ |
40 | ||
41 | #include <sys/types.h> | |
42 | #include <sys/stat.h> | |
78ed81a3 | 43 | |
44 | #include <err.h> | |
15637ed4 RG |
45 | #include <fts.h> |
46 | #include <stdio.h> | |
47 | #include <stdlib.h> | |
48 | #include <string.h> | |
15637ed4 | 49 | |
78ed81a3 | 50 | #include "find.h" |
15637ed4 | 51 | |
78ed81a3 | 52 | /* NB: the following table must be sorted lexically. */ |
53 | static OPTION options[] = { | |
54 | { "!", N_NOT, c_not, O_ZERO }, | |
55 | { "(", N_OPENPAREN, c_openparen, O_ZERO }, | |
56 | { ")", N_CLOSEPAREN, c_closeparen, O_ZERO }, | |
57 | { "-a", N_AND, NULL, O_NONE }, | |
58 | { "-and", N_AND, NULL, O_NONE }, | |
59 | { "-atime", N_ATIME, c_atime, O_ARGV }, | |
60 | { "-ctime", N_CTIME, c_ctime, O_ARGV }, | |
61 | { "-depth", N_DEPTH, c_depth, O_ZERO }, | |
62 | { "-exec", N_EXEC, c_exec, O_ARGVP }, | |
63 | { "-follow", N_FOLLOW, c_follow, O_ZERO }, | |
64 | { "-fstype", N_FSTYPE, c_fstype, O_ARGV }, | |
65 | { "-group", N_GROUP, c_group, O_ARGV }, | |
66 | { "-inum", N_INUM, c_inum, O_ARGV }, | |
67 | { "-links", N_LINKS, c_links, O_ARGV }, | |
68 | { "-ls", N_LS, c_ls, O_ZERO }, | |
69 | { "-mtime", N_MTIME, c_mtime, O_ARGV }, | |
70 | { "-name", N_NAME, c_name, O_ARGV }, | |
71 | { "-newer", N_NEWER, c_newer, O_ARGV }, | |
72 | { "-nogroup", N_NOGROUP, c_nogroup, O_ZERO }, | |
73 | { "-nouser", N_NOUSER, c_nouser, O_ZERO }, | |
74 | { "-o", N_OR, c_or, O_ZERO }, | |
75 | { "-ok", N_OK, c_exec, O_ARGVP }, | |
76 | { "-or", N_OR, c_or, O_ZERO }, | |
77 | { "-path", N_PATH, c_path, O_ARGV }, | |
78 | { "-perm", N_PERM, c_perm, O_ARGV }, | |
79 | { "-print", N_PRINT, c_print, O_ZERO }, | |
80 | { "-prune", N_PRUNE, c_prune, O_ZERO }, | |
81 | { "-size", N_SIZE, c_size, O_ARGV }, | |
82 | { "-type", N_TYPE, c_type, O_ARGV }, | |
83 | { "-user", N_USER, c_user, O_ARGV }, | |
84 | { "-xdev", N_XDEV, c_xdev, O_ZERO }, | |
15637ed4 RG |
85 | }; |
86 | ||
87 | /* | |
88 | * find_create -- | |
89 | * create a node corresponding to a command line argument. | |
90 | * | |
91 | * TODO: | |
92 | * add create/process function pointers to node, so we can skip | |
93 | * this switch stuff. | |
94 | */ | |
95 | PLAN * | |
96 | find_create(argvp) | |
97 | char ***argvp; | |
98 | { | |
99 | register OPTION *p; | |
100 | PLAN *new; | |
101 | char **argv; | |
15637ed4 RG |
102 | |
103 | argv = *argvp; | |
104 | ||
78ed81a3 | 105 | if ((p = option(*argv)) == NULL) |
106 | errx(1, "%s: unknown option", *argv); | |
15637ed4 | 107 | ++argv; |
78ed81a3 | 108 | if (p->flags & (O_ARGV|O_ARGVP) && !*argv) |
109 | errx(1, "%s: requires additional arguments", *--argv); | |
15637ed4 RG |
110 | |
111 | switch(p->flags) { | |
112 | case O_NONE: | |
113 | new = NULL; | |
114 | break; | |
115 | case O_ZERO: | |
116 | new = (p->create)(); | |
117 | break; | |
118 | case O_ARGV: | |
119 | new = (p->create)(*argv++); | |
120 | break; | |
121 | case O_ARGVP: | |
122 | new = (p->create)(&argv, p->token == N_OK); | |
123 | break; | |
78ed81a3 | 124 | default: |
125 | abort(); | |
15637ed4 RG |
126 | } |
127 | *argvp = argv; | |
78ed81a3 | 128 | return (new); |
15637ed4 RG |
129 | } |
130 | ||
131 | OPTION * | |
132 | option(name) | |
133 | char *name; | |
134 | { | |
135 | OPTION tmp; | |
136 | int typecompare __P((const void *, const void *)); | |
137 | ||
138 | tmp.name = name; | |
78ed81a3 | 139 | return ((OPTION *)bsearch(&tmp, options, |
15637ed4 RG |
140 | sizeof(options)/sizeof(OPTION), sizeof(OPTION), typecompare)); |
141 | } | |
78ed81a3 | 142 | |
143 | int | |
15637ed4 RG |
144 | typecompare(a, b) |
145 | const void *a, *b; | |
146 | { | |
78ed81a3 | 147 | return (strcmp(((OPTION *)a)->name, ((OPTION *)b)->name)); |
15637ed4 | 148 | } |