/*-

 * 

 * Copyright (c) 1990, 1993

 *	The Regents of the University of California.  All rights reserved.

 *

 * This code is derived from software contributed to Berkeley by

 * Chris Torek.

 *

 * 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.

 * 4. 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.

 * * Portions Copyright (c) 2005-2008 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. 

 */

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

static char sccsid[] = "@(#)tmpfile.c	8.1 (Berkeley) 6/4/93";

#endif /* LIBC_SCCS and not lint */

#include <sys/cdefs.h>

__FBSDID("$FreeBSD: src/lib/libc/stdio/tmpfile.c,v 1.9 2003/02/06 01:08:19 mtm Exp $");

#include "namespace.h"

#include <sys/types.h>

#ifndef __SYMBIAN32__

#include <signal.h>

#endif //__SYMBIAN32__

#include <errno.h>

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <paths.h>

#include "un-namespace.h"

#include <unistd.h>

#include <fcntl.h>

#include "common_def.h"

#ifdef __SYMBIAN32__

#include <sys/stat.h>

#include "sysreent.h"

#endif //__SYMBIAN32__

#ifdef __SYMBIAN32__

	extern int	_mktmpfile(char *, int);

#endif	

EXPORT_C

FILE *

tmpfile()

{

	#ifndef __SYMBIAN32__

	sigset_t set, oset;

	#endif //__SYMBIAN32__

	FILE *fp;

	int fd, sverrno;

#define	TRAILER	"tmp.XXXXXX"

	char *buf;

	const char *tmpdir;		

	tmpdir = NULL;

	if (issetugid() == 0)

		tmpdir = getenv("TMPDIR");

	if (tmpdir == NULL)

		tmpdir = _PATH_TMP;

#ifdef __SYMBIAN32__

	(void)asprintf(&buf, "%s%s%s", tmpdir,

	    (tmpdir[strlen(tmpdir) - 1] == '\\') ? "" : "\\", TRAILER);

#else

	(void)asprintf(&buf, "%s%s%s", tmpdir,

	    (tmpdir[strlen(tmpdir) - 1] == '/') ? "" : "/", TRAILER);

#endif//__SYMBIAN32__	    

	if (buf == NULL)

		return (NULL);

	#ifndef __SYMBIAN32__

	sigfillset(&set);

	(void)_sigprocmask(SIG_BLOCK, &set, &oset);

	#endif //__SYMBIAN32__

#ifndef __SYMBIAN32__

	fd = mkstemp(buf);

#else

	fd = _mktmpfile(buf, O_TMPFILE);

#endif

	if (fd != -1)

		(void)unlink(buf);

	free(buf);

	#ifndef __SYMBIAN32__

	(void)_sigprocmask(SIG_SETMASK, &oset, NULL);

	#endif //__SYMBIAN32__

	if (fd == -1)

		return (NULL);

	if ((fp = fdopen(fd, "w+")) == NULL) {

		sverrno = errno;

		(void)_close(fd);

		errno = sverrno;

		return (NULL);

	}

	return (fp);

}