174 lines
4.8 KiB
C
174 lines
4.8 KiB
C
/* $NetBSD: main.c,v 1.28 2008/07/21 14:19:22 lukem Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1990, 1993, 1994
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* Cimarron D. Taylor of the University of California, Berkeley.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
#ifndef lint
|
|
#if 0
|
|
static char sccsid[] = "@(#)main.c 8.4 (Berkeley) 5/4/95";
|
|
#else
|
|
__COPYRIGHT("@(#) Copyright (c) 1990, 1993, 1994\
|
|
The Regents of the University of California. All rights reserved.");
|
|
__RCSID("$NetBSD: main.c,v 1.28 2008/07/21 14:19:22 lukem Exp $");
|
|
#endif
|
|
#endif /* not lint */
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
|
|
#include <err.h>
|
|
#include <errno.h>
|
|
#include <fcntl.h>
|
|
#include <fts.h>
|
|
#include <signal.h>
|
|
#include <locale.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <time.h>
|
|
#include <unistd.h>
|
|
|
|
#include "find.h"
|
|
|
|
time_t now; /* time find was run */
|
|
int dotfd; /* starting directory */
|
|
int ftsoptions; /* options for the ftsopen(3) call */
|
|
int isdeprecated; /* using deprecated syntax */
|
|
int isdepth; /* do directories on post-order visit */
|
|
int isoutput; /* user specified output operator */
|
|
int issort; /* sort directory entries */
|
|
int isxargs; /* don't permit xargs delimiting chars */
|
|
int regcomp_flags = REG_BASIC; /* regex compilation flags */
|
|
|
|
int main(int, char **);
|
|
static void usage(void);
|
|
|
|
int
|
|
main(int argc, char *argv[])
|
|
{
|
|
struct sigaction sa;
|
|
char **p, **start;
|
|
int ch;
|
|
|
|
(void)time(&now); /* initialize the time-of-day */
|
|
(void)setlocale(LC_ALL, "");
|
|
|
|
memset(&sa, 0, sizeof(sa));
|
|
sa.sa_flags = SA_RESTART;
|
|
sa.sa_handler = show_path;
|
|
sigaction(SIGINFO, &sa, NULL);
|
|
|
|
/* array to hold dir list. at most (argc - 1) elements. */
|
|
p = start = malloc(argc * sizeof (char *));
|
|
if (p == NULL)
|
|
err(1, NULL);
|
|
|
|
ftsoptions = FTS_NOSTAT | FTS_PHYSICAL;
|
|
while ((ch = getopt(argc, argv, "HLPdEf:hsXx")) != -1)
|
|
switch (ch) {
|
|
case 'H':
|
|
ftsoptions &= ~FTS_LOGICAL;
|
|
ftsoptions |= FTS_PHYSICAL|FTS_COMFOLLOW;
|
|
break;
|
|
case 'L':
|
|
ftsoptions &= ~(FTS_COMFOLLOW|FTS_PHYSICAL);
|
|
ftsoptions |= FTS_LOGICAL;
|
|
break;
|
|
case 'P':
|
|
ftsoptions &= ~(FTS_COMFOLLOW|FTS_LOGICAL);
|
|
ftsoptions |= FTS_PHYSICAL;
|
|
break;
|
|
case 'd':
|
|
isdepth = 1;
|
|
break;
|
|
case 'E':
|
|
regcomp_flags = REG_EXTENDED;
|
|
break;
|
|
case 'f':
|
|
*p++ = optarg;
|
|
break;
|
|
case 'h':
|
|
ftsoptions &= ~FTS_PHYSICAL;
|
|
ftsoptions |= FTS_LOGICAL;
|
|
break;
|
|
case 's':
|
|
issort = 1;
|
|
break;
|
|
case 'X':
|
|
isxargs = 1;
|
|
break;
|
|
case 'x':
|
|
ftsoptions |= FTS_XDEV;
|
|
break;
|
|
case '?':
|
|
default:
|
|
break;
|
|
}
|
|
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
/*
|
|
* Find first option to delimit the file list. The first argument
|
|
* that starts with a -, or is a ! or a ( must be interpreted as a
|
|
* part of the find expression, according to POSIX .2.
|
|
*/
|
|
for (; *argv != NULL; *p++ = *argv++) {
|
|
if (argv[0][0] == '-')
|
|
break;
|
|
if ((argv[0][0] == '!' || argv[0][0] == '(') &&
|
|
argv[0][1] == '\0')
|
|
break;
|
|
}
|
|
|
|
if (p == start)
|
|
usage();
|
|
|
|
*p = NULL;
|
|
|
|
if ((dotfd = open(".", O_RDONLY, 0)) == -1 ||
|
|
fcntl(dotfd, F_SETFD, FD_CLOEXEC) == -1)
|
|
err(1, ".");
|
|
|
|
exit(find_execute(find_formplan(argv), start));
|
|
}
|
|
|
|
static void
|
|
usage(void)
|
|
{
|
|
|
|
(void)fprintf(stderr,
|
|
"usage: find [-H | -L | -P] [-dEhsXx] [-f file] file [file ...] [expression]\n");
|
|
exit(1);
|
|
}
|