1 /*-
2 * Copyright (c) 1990, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Cimarron D. Taylor of the University of California, Berkeley.
7 *
8 * %sccs.include.redist.c%
9 */
10
11 #ifndef lint
12 char copyright[] =
13 "@(#) Copyright (c) 1990, 1993, 1994\n\
14 The Regents of the University of California. All rights reserved.\n";
15 #endif /* not lint */
16
17 #ifndef lint
18 static char sccsid[] = "@(#)main.c 8.4 (Berkeley) 05/04/95";
19 #endif /* not lint */
20
21 #include <sys/types.h>
22 #include <sys/stat.h>
23
24 #include <err.h>
25 #include <errno.h>
26 #include <fcntl.h>
27 #include <fts.h>
28 #include <stdio.h>
29 #include <stdlib.h>
30 #include <time.h>
31 #include <unistd.h>
32
33 #include "find.h"
34
35 time_t now; /* time find was run */
36 int dotfd; /* starting directory */
37 int ftsoptions; /* options for the ftsopen(3) call */
38 int isdeprecated; /* using deprecated syntax */
39 int isdepth; /* do directories on post-order visit */
40 int isoutput; /* user specified output operator */
41 int isxargs; /* don't permit xargs delimiting chars */
42
43 static void usage __P((void));
44
45 int
main(argc,argv)46 main(argc, argv)
47 int argc;
48 char *argv[];
49 {
50 register char **p, **start;
51 int Hflag, Lflag, Pflag, ch;
52
53 (void)time(&now); /* initialize the time-of-day */
54
55 p = start = argv;
56 Hflag = Lflag = Pflag = 0;
57 ftsoptions = FTS_NOSTAT | FTS_PHYSICAL;
58 while ((ch = getopt(argc, argv, "HLPXdf:x")) != EOF)
59 switch (ch) {
60 case 'H':
61 Hflag = 1;
62 Lflag = Pflag = 0;
63 break;
64 case 'L':
65 Lflag = 1;
66 Hflag = Pflag = 0;
67 break;
68 case 'P':
69 Pflag = 1;
70 Hflag = Lflag = 0;
71 break;
72 case 'X':
73 isxargs = 1;
74 break;
75 case 'd':
76 isdepth = 1;
77 break;
78 case 'f':
79 *p++ = optarg;
80 break;
81 case 'x':
82 ftsoptions |= FTS_XDEV;
83 break;
84 case '?':
85 default:
86 break;
87 }
88
89 argc -= optind;
90 argv += optind;
91
92 if (Hflag)
93 ftsoptions |= FTS_COMFOLLOW;
94 if (Lflag) {
95 ftsoptions &= ~FTS_PHYSICAL;
96 ftsoptions |= FTS_LOGICAL;
97 }
98
99 /*
100 * Find first option to delimit the file list. The first argument
101 * that starts with a -, or is a ! or a ( must be interpreted as a
102 * part of the find expression, according to POSIX .2.
103 */
104 for (; *argv != NULL; *p++ = *argv++) {
105 if (argv[0][0] == '-')
106 break;
107 if ((argv[0][0] == '!' || argv[0][0] == '(') &&
108 argv[0][1] == '\0')
109 break;
110 }
111
112 if (p == start)
113 usage();
114 *p = NULL;
115
116 if ((dotfd = open(".", O_RDONLY, 0)) < 0)
117 err(1, ".");
118
119 exit(find_execute(find_formplan(argv), start));
120 }
121
122 static void
usage()123 usage()
124 {
125 (void)fprintf(stderr,
126 "usage: find [-H | -L | -P] [-Xdx] [-f file] [file ...] [expression]\n");
127 exit(1);
128 }
129