/*	$OpenBSD: ftw.c,v 1.4 2004/07/07 16:05:23 millert Exp $	*/

/*

 * Copyright (c) 2003, 2004 Todd C. Miller <Todd.Miller@courtesan.com>

 *

 * Permission to use, copy, modify, and distribute this software for any

 * purpose with or without fee is hereby granted, provided that the above

 * copyright notice and this permission notice appear in all copies.

 *

 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES

 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF

 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR

 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES

 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN

 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF

 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

 *

 * Sponsored in part by the Defense Advanced Research Projects

 * Agency (DARPA) and Air Force Research Laboratory, Air Force

 * Materiel Command, USAF, under agreement number F39502-99-1-0512.

 */

/* Portions Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies).. All rights reserved. */

#if 0

#if defined(LIBC_SCCS) && !defined(lint)

static const char rcsid[] = "$OpenBSD: ftw.c,v 1.4 2004/07/07 16:05:23 millert Exp $";

#endif /* LIBC_SCCS and not lint */

#endif

#include <sys/cdefs.h>

__FBSDID("$FreeBSD: src/lib/libc/gen/ftw.c,v 1.4 2004/08/24 13:00:55 tjr Exp $");

#include <sys/types.h>

#include <sys/stat.h>

#include <errno.h>

#include <ftw.h>

#ifdef __SYMBIAN32__

#include <sys/syslimits.h>

#endif

#include <limits.h>

#include "fts.h"

EXPORT_C

int

ftw(const char *path, int (*fn)(const char *, const struct stat *, int),

    int nfds)

{

	char * paths[2];

	FTSENT *cur;

	FTS *ftsp;

	int error = 0, fnflag, sverrno;

	paths[0]=(char*)path;

	paths[1]=NULL;

	/* XXX - nfds is currently unused */

	if (nfds < 1 || nfds > OPEN_MAX) {

		errno = EINVAL;

		return (-1);

	}

	ftsp = fts_open((char* const*)paths, FTS_LOGICAL | FTS_COMFOLLOW | FTS_NOCHDIR, NULL);

	if (ftsp == NULL)

		return (-1);

	while ((cur = fts_read(ftsp)) != NULL) {

		switch (cur->fts_info) {

		case FTS_D:

			fnflag = FTW_D;

			break;

		case FTS_DNR:

			fnflag = FTW_DNR;

			break;

		case FTS_DP:

			/* we only visit in preorder */

			continue;

		case FTS_F:

		case FTS_DEFAULT:

			fnflag = FTW_F;

			break;

		case FTS_NS:

		case FTS_NSOK:

		case FTS_SLNONE:

#ifdef __SYMBIAN32__

			if(cur->fts_errno != EACCES)

				{

				errno=cur->fts_errno;

				error=-1;

				goto done;

				}

			fnflag = FTW_NS;

			break;			

#else

			fnflag = FTW_NS;

			break;			

#endif //__SYMBIAN32__ 					

		case FTS_SL:

			fnflag = FTW_SL;

			break;

		case FTS_DC:

			errno = ELOOP;

			/* FALLTHROUGH */

		default:

			error = -1;

			goto done;

		}

		error = fn(cur->fts_path, cur->fts_statp, fnflag);

		if (error != 0)

			break;

	}

done:

	sverrno = errno;

	if (fts_close(ftsp) != 0 && error == 0)

		error = -1;

	else

		errno = sverrno;

	return (error);

}