GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: lib/libc/gen/ftw.c Lines: 0 24 0.0 %
Date: 2017-11-13 Branches: 0 21 0.0 %

Line Branch Exec Source
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/*	$OpenBSD: ftw.c,v 1.5 2005/08/08 08:05:34 espie Exp $	*/
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/*
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 * Copyright (c) 2003, 2004 Todd C. Miller <Todd.Miller@courtesan.com>
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 *
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 * Permission to use, copy, modify, and distribute this software for any
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 * purpose with or without fee is hereby granted, provided that the above
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 * copyright notice and this permission notice appear in all copies.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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 *
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 * Sponsored in part by the Defense Advanced Research Projects
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 * Agency (DARPA) and Air Force Research Laboratory, Air Force
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 * Materiel Command, USAF, under agreement number F39502-99-1-0512.
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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 <errno.h>
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#include <fts.h>
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#include <ftw.h>
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#include <limits.h>
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int
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ftw(const char *path, int (*fn)(const char *, const struct stat *, int),
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    int nfds)
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{
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	char * const paths[2] = { (char *)path, NULL };
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	FTSENT *cur;
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	FTS *ftsp;
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	int error = 0, fnflag, sverrno;
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	/* XXX - nfds is currently unused */
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	if (nfds < 1 || nfds > OPEN_MAX) {
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		errno = EINVAL;
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		return (-1);
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	}
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	ftsp = fts_open(paths, FTS_LOGICAL | FTS_COMFOLLOW | FTS_NOCHDIR, NULL);
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	if (ftsp == NULL)
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		return (-1);
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	while ((cur = fts_read(ftsp)) != NULL) {
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		switch (cur->fts_info) {
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		case FTS_D:
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			fnflag = FTW_D;
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			break;
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		case FTS_DNR:
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			fnflag = FTW_DNR;
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			break;
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		case FTS_DP:
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			/* we only visit in preorder */
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			continue;
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		case FTS_F:
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		case FTS_DEFAULT:
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			fnflag = FTW_F;
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			break;
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		case FTS_NS:
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		case FTS_NSOK:
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		case FTS_SLNONE:
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			fnflag = FTW_NS;
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			break;
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		case FTS_SL:
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			fnflag = FTW_SL;
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			break;
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		case FTS_DC:
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			errno = ELOOP;
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			/* FALLTHROUGH */
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		default:
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			error = -1;
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			goto done;
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		}
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		error = fn(cur->fts_path, cur->fts_statp, fnflag);
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		if (error != 0)
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			break;
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	}
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done:
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	sverrno = errno;
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	if (fts_close(ftsp) != 0 && error == 0)
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		error = -1;
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	else
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		errno = sverrno;
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	return (error);
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}