Annotation of src/usr.bin/find/main.c, Revision 1.31
1.31 ! tedu 1: /* $OpenBSD: main.c,v 1.30 2014/05/18 08:10:00 espie 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.
1.15 millert 15: * 3. Neither the name of the University nor the names of its contributors
1.1 deraadt 16: * may be used to endorse or promote products derived from this software
17: * without specific prior written permission.
18: *
19: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29: * SUCH DAMAGE.
30: */
31:
32: #include <sys/types.h>
33: #include <sys/stat.h>
34:
35: #include <err.h>
36: #include <errno.h>
37: #include <fcntl.h>
38: #include <fts.h>
1.3 tholo 39: #include <signal.h>
1.1 deraadt 40: #include <stdio.h>
41: #include <stdlib.h>
1.9 deraadt 42: #include <string.h>
1.1 deraadt 43: #include <time.h>
1.29 millert 44: #include <unistd.h>
1.1 deraadt 45:
46: #include "find.h"
47:
48: time_t now; /* time find was run */
1.25 millert 49: int dotfd; /* starting directory; may be -1 */
1.23 jmc 50: int ftsoptions; /* options for the fts_open(3) call */
1.31 ! tedu 51: int isdelete; /* user specified -delete operator */
1.1 deraadt 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:
1.20 jaredy 56: __dead static void usage(void);
1.1 deraadt 57:
58: int
1.16 deraadt 59: main(int argc, char *argv[])
1.1 deraadt 60: {
1.9 deraadt 61: struct sigaction sa;
1.17 tedu 62: char **p, **paths, **paths2;
1.1 deraadt 63: int ch;
1.9 deraadt 64:
65: memset(&sa, 0, sizeof sa);
66: sa.sa_handler = show_path;
67: sa.sa_flags = SA_RESTART;
1.1 deraadt 68:
69: (void)time(&now); /* initialize the time-of-day */
1.3 tholo 70:
1.30 espie 71: p = paths = ereallocarray(NULL, argc, sizeof(char *));
1.5 millert 72:
1.3 tholo 73: sigaction(SIGINFO, &sa, NULL);
1.1 deraadt 74:
75: ftsoptions = FTS_NOSTAT|FTS_PHYSICAL;
1.21 millert 76: while ((ch = getopt(argc, argv, "Hdf:hLXx")) != -1)
1.1 deraadt 77: switch(ch) {
78: case 'H':
79: ftsoptions |= FTS_COMFOLLOW;
1.26 schwarze 80: ftsoptions |= FTS_PHYSICAL;
81: ftsoptions &= ~FTS_LOGICAL;
1.1 deraadt 82: break;
83: case 'd':
84: isdepth = 1;
85: break;
86: case 'f':
87: *p++ = optarg;
88: break;
89: case 'h':
1.14 millert 90: case 'L':
1.26 schwarze 91: ftsoptions &= ~FTS_COMFOLLOW;
1.1 deraadt 92: ftsoptions &= ~FTS_PHYSICAL;
93: ftsoptions |= FTS_LOGICAL;
94: break;
95: case 'X':
96: isxargs = 1;
97: break;
98: case 'x':
99: ftsoptions &= ~FTS_NOSTAT;
100: ftsoptions |= FTS_XDEV;
1.8 espie 101: break;
1.1 deraadt 102: case '?':
103: default:
1.28 naddy 104: usage();
1.1 deraadt 105: }
106:
107: argc -= optind;
108: argv += optind;
109:
110: /* The first argument that starts with a -, or is a ! or a (, and all
111: * subsequent arguments shall be interpreted as an expression ...
112: * (POSIX.2).
113: */
114: while (*argv) {
115: if (**argv == '-' ||
116: ((**argv == '!' || **argv == '(') && (*argv)[1] == '\0'))
117: break;
118: *p++ = *argv++;
119: }
120:
1.6 millert 121: if (p == paths)
1.7 millert 122: usage();
1.5 millert 123: *p = NULL;
1.6 millert 124:
1.30 espie 125: if (!(paths2 = reallocarray(paths, p - paths + 1, sizeof(char *))))
1.5 millert 126: err(1, NULL);
1.17 tedu 127: paths = paths2;
1.1 deraadt 128:
1.25 millert 129: dotfd = open(".", O_RDONLY, 0);
1.1 deraadt 130:
1.27 jacekm 131: exit(find_execute(find_formplan(argv), paths));
1.1 deraadt 132: }
133:
134: static void
1.16 deraadt 135: usage(void)
1.1 deraadt 136: {
137: (void)fprintf(stderr,
1.22 david 138: "usage: find [-dHhLXx] [-f path] path ... [expression]\n");
1.1 deraadt 139: exit(1);
140: }
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