Annotation of src/usr.bin/find/main.c, Revision 1.18
1.18 ! jmc 1: /* $OpenBSD: main.c,v 1.17 2003/09/26 22:22:26 tedu 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: #ifndef lint
33: /*static char sccsid[] = "@(#)main.c 8.1 (Berkeley) 6/6/93";*/
1.18 ! jmc 34: static char rcsid[] = "$OpenBSD: main.c,v 1.17 2003/09/26 22:22:26 tedu Exp $";
1.1 deraadt 35: #endif /* not lint */
36:
37: #include <sys/types.h>
38: #include <sys/stat.h>
39:
40: #include <err.h>
41: #include <errno.h>
42: #include <fcntl.h>
43: #include <fts.h>
1.3 tholo 44: #include <signal.h>
1.1 deraadt 45: #include <stdio.h>
46: #include <stdlib.h>
1.9 deraadt 47: #include <string.h>
1.1 deraadt 48: #include <time.h>
49:
50: #include "find.h"
51:
52: time_t now; /* time find was run */
53: int dotfd; /* starting directory */
54: int ftsoptions; /* options for the ftsopen(3) call */
55: int isdeprecated; /* using deprecated syntax */
56: int isdepth; /* do directories on post-order visit */
57: int isoutput; /* user specified output operator */
58: int isxargs; /* don't permit xargs delimiting chars */
59:
1.13 millert 60: static void usage(void);
1.1 deraadt 61:
62: int
1.16 deraadt 63: main(int argc, char *argv[])
1.1 deraadt 64: {
1.9 deraadt 65: struct sigaction sa;
1.17 tedu 66: char **p, **paths, **paths2;
1.1 deraadt 67: int ch;
1.9 deraadt 68:
69: memset(&sa, 0, sizeof sa);
70: sa.sa_handler = show_path;
71: sa.sa_flags = SA_RESTART;
1.1 deraadt 72:
73: (void)time(&now); /* initialize the time-of-day */
1.3 tholo 74:
1.7 millert 75: p = paths = (char **) emalloc(sizeof(char *) * argc);
1.5 millert 76:
1.3 tholo 77: sigaction(SIGINFO, &sa, NULL);
1.1 deraadt 78:
79: ftsoptions = FTS_NOSTAT|FTS_PHYSICAL;
1.14 millert 80: while ((ch = getopt(argc, argv, "Hdf:hLXxW")) != -1)
1.1 deraadt 81: switch(ch) {
82: case 'H':
83: ftsoptions |= FTS_COMFOLLOW;
84: break;
85: case 'd':
86: isdepth = 1;
87: break;
88: case 'f':
89: *p++ = optarg;
90: break;
91: case 'h':
1.14 millert 92: case 'L':
1.1 deraadt 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:
1.17 tedu 129: if (!(paths2 = realloc(paths, sizeof(char *) * (p - paths + 1))))
1.5 millert 130: err(1, NULL);
1.17 tedu 131: paths = paths2;
1.1 deraadt 132:
133: if ((dotfd = open(".", O_RDONLY, 0)) < 0)
134: err(1, ".:");
135:
1.5 millert 136: find_execute(find_formplan(argv), paths);
1.1 deraadt 137: exit(0);
138: }
139:
140: static void
1.16 deraadt 141: usage(void)
1.1 deraadt 142: {
143: (void)fprintf(stderr,
1.18 ! jmc 144: "usage: find [-dHhLWXx] [-f file] file [...] [expression]\n");
1.1 deraadt 145: exit(1);
146: }