Annotation of src/usr.bin/find/main.c, Revision 1.29
1.29 ! millert 1: /* $OpenBSD: main.c,v 1.28 2011/06/14 21:04:05 naddy 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 */
1.1 deraadt 51: int isdepth; /* do directories on post-order visit */
52: int isoutput; /* user specified output operator */
53: int isxargs; /* don't permit xargs delimiting chars */
54:
1.20 jaredy 55: __dead static void usage(void);
1.1 deraadt 56:
57: int
1.16 deraadt 58: main(int argc, char *argv[])
1.1 deraadt 59: {
1.9 deraadt 60: struct sigaction sa;
1.17 tedu 61: char **p, **paths, **paths2;
1.1 deraadt 62: int ch;
1.9 deraadt 63:
64: memset(&sa, 0, sizeof sa);
65: sa.sa_handler = show_path;
66: sa.sa_flags = SA_RESTART;
1.1 deraadt 67:
68: (void)time(&now); /* initialize the time-of-day */
1.3 tholo 69:
1.7 millert 70: p = paths = (char **) emalloc(sizeof(char *) * argc);
1.5 millert 71:
1.3 tholo 72: sigaction(SIGINFO, &sa, NULL);
1.1 deraadt 73:
74: ftsoptions = FTS_NOSTAT|FTS_PHYSICAL;
1.21 millert 75: while ((ch = getopt(argc, argv, "Hdf:hLXx")) != -1)
1.1 deraadt 76: switch(ch) {
77: case 'H':
78: ftsoptions |= FTS_COMFOLLOW;
1.26 schwarze 79: ftsoptions |= FTS_PHYSICAL;
80: ftsoptions &= ~FTS_LOGICAL;
1.1 deraadt 81: break;
82: case 'd':
83: isdepth = 1;
84: break;
85: case 'f':
86: *p++ = optarg;
87: break;
88: case 'h':
1.14 millert 89: case 'L':
1.26 schwarze 90: ftsoptions &= ~FTS_COMFOLLOW;
1.1 deraadt 91: ftsoptions &= ~FTS_PHYSICAL;
92: ftsoptions |= FTS_LOGICAL;
93: break;
94: case 'X':
95: isxargs = 1;
96: break;
97: case 'x':
98: ftsoptions &= ~FTS_NOSTAT;
99: ftsoptions |= FTS_XDEV;
1.8 espie 100: break;
1.1 deraadt 101: case '?':
102: default:
1.28 naddy 103: usage();
1.1 deraadt 104: }
105:
106: argc -= optind;
107: argv += optind;
108:
109: /* The first argument that starts with a -, or is a ! or a (, and all
110: * subsequent arguments shall be interpreted as an expression ...
111: * (POSIX.2).
112: */
113: while (*argv) {
114: if (**argv == '-' ||
115: ((**argv == '!' || **argv == '(') && (*argv)[1] == '\0'))
116: break;
117: *p++ = *argv++;
118: }
119:
1.6 millert 120: if (p == paths)
1.7 millert 121: usage();
1.5 millert 122: *p = NULL;
1.6 millert 123:
1.17 tedu 124: if (!(paths2 = realloc(paths, sizeof(char *) * (p - paths + 1))))
1.5 millert 125: err(1, NULL);
1.17 tedu 126: paths = paths2;
1.1 deraadt 127:
1.25 millert 128: dotfd = open(".", O_RDONLY, 0);
1.1 deraadt 129:
1.27 jacekm 130: exit(find_execute(find_formplan(argv), paths));
1.1 deraadt 131: }
132:
133: static void
1.16 deraadt 134: usage(void)
1.1 deraadt 135: {
136: (void)fprintf(stderr,
1.22 david 137: "usage: find [-dHhLXx] [-f path] path ... [expression]\n");
1.1 deraadt 138: exit(1);
139: }
![[BACK]](/icons/back.gif){kind=icon}
Return to main.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / src / usr.bin / find