Annotation of src/usr.bin/find/main.c, Revision 1.2
1.2 ! deraadt 1: /* $OpenBSD$ */
! 2:
1.1 deraadt 3: /*-
4: * Copyright (c) 1990, 1993
5: * The Regents of the University of California. All rights reserved.
6: *
7: * Redistribution and use in source and binary forms, with or without
8: * modification, are permitted provided that the following conditions
9: * are met:
10: * 1. Redistributions of source code must retain the above copyright
11: * notice, this list of conditions and the following disclaimer.
12: * 2. Redistributions in binary form must reproduce the above copyright
13: * notice, this list of conditions and the following disclaimer in the
14: * documentation and/or other materials provided with the distribution.
15: * 3. All advertising materials mentioning features or use of this software
16: * must display the following acknowledgement:
17: * This product includes software developed by the University of
18: * California, Berkeley and its contributors.
19: * 4. Neither the name of the University nor the names of its contributors
20: * may be used to endorse or promote products derived from this software
21: * without specific prior written permission.
22: *
23: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33: * SUCH DAMAGE.
34: */
35:
36: #ifndef lint
37: /*static char sccsid[] = "@(#)main.c 8.1 (Berkeley) 6/6/93";*/
1.2 ! deraadt 38: static char rcsid[] = "$OpenBSD: main.c,v 1.1.1.1 1995/10/18 08:45:13 deraadt Exp $";
1.1 deraadt 39: #endif /* not lint */
40:
41: #include <sys/types.h>
42: #include <sys/stat.h>
43:
44: #include <err.h>
45: #include <errno.h>
46: #include <fcntl.h>
47: #include <fts.h>
48: #include <stdio.h>
49: #include <stdlib.h>
50: #include <time.h>
51:
52: #include "find.h"
53:
54: time_t now; /* time find was run */
55: int dotfd; /* starting directory */
56: int ftsoptions; /* options for the ftsopen(3) call */
57: int isdeprecated; /* using deprecated syntax */
58: int isdepth; /* do directories on post-order visit */
59: int isoutput; /* user specified output operator */
60: int isxargs; /* don't permit xargs delimiting chars */
61:
62: static void usage __P((void));
63:
64: int
65: main(argc, argv)
66: int argc;
67: char *argv[];
68: {
69: register char **p, **start;
70: int ch;
71:
72: (void)time(&now); /* initialize the time-of-day */
73:
74: p = start = argv;
75: ftsoptions = FTS_NOSTAT|FTS_PHYSICAL;
76: while ((ch = getopt(argc, argv, "Hdf:hXx")) != EOF)
77: switch(ch) {
78: case 'H':
79: ftsoptions |= FTS_COMFOLLOW;
80: break;
81: case 'd':
82: isdepth = 1;
83: break;
84: case 'f':
85: *p++ = optarg;
86: break;
87: case 'h':
88: ftsoptions &= ~FTS_PHYSICAL;
89: ftsoptions |= FTS_LOGICAL;
90: break;
91: case 'X':
92: isxargs = 1;
93: break;
94: case 'x':
95: ftsoptions &= ~FTS_NOSTAT;
96: ftsoptions |= FTS_XDEV;
97: break;
98: case '?':
99: default:
100: break;
101: }
102:
103: argc -= optind;
104: argv += optind;
105:
106: /* The first argument that starts with a -, or is a ! or a (, and all
107: * subsequent arguments shall be interpreted as an expression ...
108: * (POSIX.2).
109: */
110: while (*argv) {
111: if (**argv == '-' ||
112: ((**argv == '!' || **argv == '(') && (*argv)[1] == '\0'))
113: break;
114: *p++ = *argv++;
115: }
116:
117: if (p == start)
118: usage();
119: *p = NULL;
120:
121: if ((dotfd = open(".", O_RDONLY, 0)) < 0)
122: err(1, ".:");
123:
124: find_execute(find_formplan(argv), start);
125: exit(0);
126: }
127:
128: static void
129: usage()
130: {
131: (void)fprintf(stderr,
132: "usage: find [-HdhXx] [-f file] [file ...] expression\n");
133: exit(1);
134: }