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Commit	Line	Data
	1	/*-
	2	* Copyright (c) 1990, 1993, 1994
	3	* The Regents of the University of California. All rights reserved.
	4	*
	5	* This code is derived from software contributed to Berkeley by
	6	* Cimarron D. Taylor of the University of California, Berkeley.
	7	*
	8	* Redistribution and use in source and binary forms, with or without
	9	* modification, are permitted provided that the following conditions
	10	* are met:
	11	* 1. Redistributions of source code must retain the above copyright
	12	* notice, this list of conditions and the following disclaimer.
	13	* 2. Redistributions in binary form must reproduce the above copyright
	14	* notice, this list of conditions and the following disclaimer in the
	15	* documentation and/or other materials provided with the distribution.
	16	* 4. Neither the name of the University nor the names of its contributors
	17	* may be used to endorse or promote products derived from this software
	18	* without specific prior written permission.
	19	*
	20	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	21	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	22	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	23	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	24	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	25	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	26	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	27	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	28	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	29	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	30	* SUCH DAMAGE.
	31	*/
	32
	33	#ifndef lint
	34	static const char copyright[] =
	35	"@(#) Copyright (c) 1990, 1993, 1994\n\
	36	The Regents of the University of California. All rights reserved.\n";
	37	#endif /* not lint */
	38
	39	#ifndef lint
	40	#if 0
	41	static char sccsid[] = "@(#)main.c 8.4 (Berkeley) 5/4/95";
	42	#endif
	43	#endif /* not lint */
	44
	45	#include <sys/cdefs.h>
	46	__FBSDID("$FreeBSD: src/usr.bin/find/main.c,v 1.23 2011/12/10 18:11:06 ed Exp $");
	47
	48	#include <sys/types.h>
	49	#include <sys/stat.h>
	50
	51	#include <err.h>
	52	#include <errno.h>
	53	#include <fcntl.h>
	54	#include <fts.h>
	55	#include <locale.h>
	56	#include <regex.h>
	57	#include <stdio.h>
	58	#include <stdlib.h>
	59	#include <time.h>
	60	#include <unistd.h>
	61
	62	#include "find.h"
	63
	64	time_t now; /* time find was run */
	65	int dotfd; /* starting directory */
	66	int ftsoptions; /* options for the ftsopen(3) call */
	67	int isdeprecated; /* using deprecated syntax */
	68	int isdepth; /* do directories on post-order visit */
	69	int isoutput; /* user specified output operator */
	70	int issort; /* do hierarchies in lexicographical order */
	71	int isxargs; /* don't permit xargs delimiting chars */
	72	int mindepth = -1, maxdepth = -1; /* minimum and maximum depth */
	73	int regexp_flags = REG_BASIC; /* use the "basic" regexp by default*/
	74
	75	static void usage(void);
	76
	77	int
	78	main(int argc, char *argv[])
	79	{
	80	char p, start;
	81	int Hflag, Lflag, ch;
	82
	83	(void)setlocale(LC_ALL, "");
	84
	85	(void)time(&now); /* initialize the time-of-day */
	86
	87	p = start = argv;
	88	Hflag = Lflag = 0;
	89	ftsoptions = FTS_NOSTAT \| FTS_PHYSICAL;
	90	while ((ch = getopt(argc, argv, "EHLPXdf:sx")) != -1)
	91	switch (ch) {
	92	case 'E':
	93	regexp_flags \|= REG_EXTENDED;
	94	break;
	95	case 'H':
	96	Hflag = 1;
	97	Lflag = 0;
	98	break;
	99	case 'L':
	100	Lflag = 1;
	101	Hflag = 0;
	102	break;
	103	case 'P':
	104	Hflag = Lflag = 0;
	105	break;
	106	case 'X':
	107	isxargs = 1;
	108	break;
	109	case 'd':
	110	isdepth = 1;
	111	break;
	112	case 'f':
	113	*p++ = optarg;
	114	break;
	115	case 's':
	116	issort = 1;
	117	break;
	118	case 'x':
	119	ftsoptions \|= FTS_XDEV;
	120	break;
	121	case '?':
	122	default:
	123	usage();
	124	}
	125
	126	argc -= optind;
	127	argv += optind;
	128
	129	if (Hflag)
	130	ftsoptions \|= FTS_COMFOLLOW;
	131	if (Lflag) {
	132	ftsoptions &= ~FTS_PHYSICAL;
	133	ftsoptions \|= FTS_LOGICAL;
	134	}
	135
	136	/*
	137	* Find first option to delimit the file list. The first argument
	138	* that starts with a -, or is a ! or a ( must be interpreted as a
	139	* part of the find expression, according to POSIX .2.
	140	*/
	141	for (; argv != NULL; p++ = *argv++) {
	142	if (argv[0][0] == '-')
	143	break;
	144	if ((argv[0][0] == '!' \|\| argv[0][0] == '(') &&
	145	argv[0][1] == '\0')
	146	break;
	147	}
	148
	149	if (p == start)
	150	usage();
	151	*p = NULL;
	152
	153	if ((dotfd = open(".", O_RDONLY, 0)) < 0)
	154	err(1, ".");
	155
	156	exit(find_execute(find_formplan(argv), start));
	157	}
	158
	159	static void
	160	usage(void)
	161	{
	162	(void)fprintf(stderr, "%s\n%s\n",
	163	"usage: find [-H \| -L \| -P] [-EXdsx] [-f path] path ... [expression]",
	164	" find [-H \| -L \| -P] [-EXdsx] -f path [path ...] [expression]");
	165	exit(1);
	166	}