Annotation of src/usr.bin/find/main.c, Revision 1.8
1.8 ! espie 1: /* $OpenBSD: main.c,v 1.7 1997/06/17 05:53:44 millert Exp $ */
1.2 deraadt 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";*/
1.8 ! espie 38: static char rcsid[] = "$OpenBSD: main.c,v 1.7 1997/06/17 05:53:44 millert 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>
1.3 tholo 48: #include <signal.h>
1.1 deraadt 49: #include <stdio.h>
50: #include <stdlib.h>
51: #include <time.h>
52:
53: #include "find.h"
54:
55: time_t now; /* time find was run */
56: int dotfd; /* starting directory */
57: int ftsoptions; /* options for the ftsopen(3) call */
58: int isdeprecated; /* using deprecated syntax */
59: int isdepth; /* do directories on post-order visit */
60: int isoutput; /* user specified output operator */
61: int isxargs; /* don't permit xargs delimiting chars */
62:
63: static void usage __P((void));
64:
65: int
66: main(argc, argv)
67: int argc;
68: char *argv[];
69: {
1.3 tholo 70: struct sigaction sa = { show_path, SA_RESTART, NULL };
1.5 millert 71: char **p, **paths;
1.1 deraadt 72: int ch;
73:
74: (void)time(&now); /* initialize the time-of-day */
1.3 tholo 75:
1.7 millert 76: p = paths = (char **) emalloc(sizeof(char *) * argc);
1.5 millert 77:
1.3 tholo 78: sigaction(SIGINFO, &sa, NULL);
1.1 deraadt 79:
80: ftsoptions = FTS_NOSTAT|FTS_PHYSICAL;
1.8 ! espie 81: while ((ch = getopt(argc, argv, "Hdf:hXxW")) != -1)
1.1 deraadt 82: switch(ch) {
83: case 'H':
84: ftsoptions |= FTS_COMFOLLOW;
85: break;
86: case 'd':
87: isdepth = 1;
88: break;
89: case 'f':
90: *p++ = optarg;
91: break;
92: case 'h':
93: ftsoptions &= ~FTS_PHYSICAL;
94: ftsoptions |= FTS_LOGICAL;
95: break;
96: case 'X':
97: isxargs = 1;
98: break;
99: case 'x':
100: ftsoptions &= ~FTS_NOSTAT;
101: ftsoptions |= FTS_XDEV;
102: break;
1.8 ! espie 103: case 'W':
! 104: ftsoptions |= FTS_WHITEOUT;
! 105: break;
1.1 deraadt 106: case '?':
107: default:
108: break;
109: }
110:
111: argc -= optind;
112: argv += optind;
113:
114: /* The first argument that starts with a -, or is a ! or a (, and all
115: * subsequent arguments shall be interpreted as an expression ...
116: * (POSIX.2).
117: */
118: while (*argv) {
119: if (**argv == '-' ||
120: ((**argv == '!' || **argv == '(') && (*argv)[1] == '\0'))
121: break;
122: *p++ = *argv++;
123: }
124:
1.6 millert 125: if (p == paths)
1.7 millert 126: usage();
1.5 millert 127: *p = NULL;
1.6 millert 128:
1.5 millert 129: if (!(paths = realloc(paths, sizeof(char *) * (p - paths + 1))))
130: err(1, NULL);
1.1 deraadt 131:
132: if ((dotfd = open(".", O_RDONLY, 0)) < 0)
133: err(1, ".:");
134:
1.5 millert 135: find_execute(find_formplan(argv), paths);
1.1 deraadt 136: exit(0);
137: }
138:
139: static void
140: usage()
141: {
142: (void)fprintf(stderr,
1.8 ! espie 143: "usage: find [-HdhXxW] [-f file] [file ...] expression\n");
1.1 deraadt 144: exit(1);
145: }