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/* $OpenBSD: main.c,v 1.30 2014/05/18 08:10:00 espie Exp $ */
/*-
* Copyright (c) 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* 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/types.h>
#include <sys/stat.h>
#include <err.h>
#include <errno.h>
#include <fcntl.h>
#include <fts.h>
#include <signal.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; may be -1 */
int ftsoptions; /* options for the fts_open(3) call */
int isdepth; /* do directories on post-order visit */
int isoutput; /* user specified output operator */
int isxargs; /* don't permit xargs delimiting chars */
__dead static void usage(void);
int
main(int argc, char *argv[])
{
struct sigaction sa;
char **p, **paths, **paths2;
int ch;
memset(&sa, 0, sizeof sa);
sa.sa_handler = show_path;
sa.sa_flags = SA_RESTART;
(void)time(&now); /* initialize the time-of-day */
p = paths = ereallocarray(NULL, argc, sizeof(char *));
sigaction(SIGINFO, &sa, NULL);
ftsoptions = FTS_NOSTAT|FTS_PHYSICAL;
while ((ch = getopt(argc, argv, "Hdf:hLXx")) != -1)
switch(ch) {
case 'H':
ftsoptions |= FTS_COMFOLLOW;
ftsoptions |= FTS_PHYSICAL;
ftsoptions &= ~FTS_LOGICAL;
break;
case 'd':
isdepth = 1;
break;
case 'f':
*p++ = optarg;
break;
case 'h':
case 'L':
ftsoptions &= ~FTS_COMFOLLOW;
ftsoptions &= ~FTS_PHYSICAL;
ftsoptions |= FTS_LOGICAL;
break;
case 'X':
isxargs = 1;
break;
case 'x':
ftsoptions &= ~FTS_NOSTAT;
ftsoptions |= FTS_XDEV;
break;
case '?':
default:
usage();
}
argc -= optind;
argv += optind;
/* The first argument that starts with a -, or is a ! or a (, and all
* subsequent arguments shall be interpreted as an expression ...
* (POSIX.2).
*/
while (*argv) {
if (**argv == '-' ||
((**argv == '!' || **argv == '(') && (*argv)[1] == '\0'))
break;
*p++ = *argv++;
}
if (p == paths)
usage();
*p = NULL;
if (!(paths2 = reallocarray(paths, p - paths + 1, sizeof(char *))))
err(1, NULL);
paths = paths2;
dotfd = open(".", O_RDONLY, 0);
exit(find_execute(find_formplan(argv), paths));
}
static void
usage(void)
{
(void)fprintf(stderr,
"usage: find [-dHhLXx] [-f path] path ... [expression]\n");
exit(1);
}
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