GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: usr.bin/find/main.c Lines: 20 43 46.5 %
Date: 2016-12-06 Branches: 7 21 33.3 %

Line Branch Exec Source
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/*	$OpenBSD: main.c,v 1.30 2014/05/18 08:10:00 espie Exp $	*/
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/*-
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 * Copyright (c) 1990, 1993
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 *	The Regents of the University of California.  All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 * 3. Neither the name of the University nor the names of its contributors
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 *    may be used to endorse or promote products derived from this software
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 *    without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * SUCH DAMAGE.
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 */
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <err.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <fts.h>
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#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <unistd.h>
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#include "find.h"
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time_t now;			/* time find was run */
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int dotfd;			/* starting directory; may be -1 */
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int ftsoptions;			/* options for the fts_open(3) call */
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int isdepth;			/* do directories on post-order visit */
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int isoutput;			/* user specified output operator */
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int isxargs;			/* don't permit xargs delimiting chars */
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__dead static void usage(void);
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int
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main(int argc, char *argv[])
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{
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	struct sigaction sa;
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	char **p, **paths, **paths2;
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	int ch;
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	memset(&sa, 0, sizeof sa);
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	sa.sa_handler = show_path;
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	sa.sa_flags = SA_RESTART;
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	(void)time(&now);	/* initialize the time-of-day */
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	p = paths = ereallocarray(NULL, argc, sizeof(char *));
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	sigaction(SIGINFO, &sa, NULL);
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	ftsoptions = FTS_NOSTAT|FTS_PHYSICAL;
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	while ((ch = getopt(argc, argv, "Hdf:hLXx")) != -1)
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		switch(ch) {
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		case 'H':
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			ftsoptions |= FTS_COMFOLLOW;
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			ftsoptions |= FTS_PHYSICAL;
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			ftsoptions &= ~FTS_LOGICAL;
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			break;
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		case 'd':
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			isdepth = 1;
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			break;
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		case 'f':
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			*p++ = optarg;
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			break;
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		case 'h':
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		case 'L':
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			ftsoptions &= ~FTS_COMFOLLOW;
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			ftsoptions &= ~FTS_PHYSICAL;
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			ftsoptions |= FTS_LOGICAL;
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			break;
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		case 'X':
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			isxargs = 1;
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			break;
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		case 'x':
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			ftsoptions &= ~FTS_NOSTAT;
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			ftsoptions |= FTS_XDEV;
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			break;
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		case '?':
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		default:
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			usage();
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		}
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	argc -= optind;
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	argv += optind;
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	/* The first argument that starts with a -, or is a ! or a (, and all
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	 * subsequent arguments shall be interpreted as an expression ...
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	 * (POSIX.2).
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	 */
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	while (*argv) {
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		if (**argv == '-' ||
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		    ((**argv == '!' || **argv == '(') && (*argv)[1] == '\0'))
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			break;
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		*p++ = *argv++;
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	}
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	if (p == paths)
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		usage();
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	*p = NULL;
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	if (!(paths2 = reallocarray(paths, p - paths + 1, sizeof(char *))))
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		err(1, NULL);
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	paths = paths2;
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	dotfd = open(".", O_RDONLY, 0);
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	exit(find_execute(find_formplan(argv), paths));
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}
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static void
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usage(void)
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{
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	(void)fprintf(stderr,
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	    "usage: find [-dHhLXx] [-f path] path ... [expression]\n");
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	exit(1);
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}