/*

 * Copyright (c) 1988, 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.

 * 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[] = "@(#)tempnam.c	8.1 (Berkeley) 6/4/93";

#endif /* LIBC_SCCS and not lint */

#include <sys/cdefs.h>

#ifndef __SYMBIAN32__

__FBSDID("$FreeBSD: src/lib/libc/stdio/tempnam.c,v 1.10 2002/03/22 21:53:04 obrien Exp $");

#endif

#include <sys/param.h>

#include <errno.h>

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <unistd.h>

#include <paths.h>

#include <sys/stat.h>

#include <fcntl.h>

#ifndef __SYMBIAN32__

__warn_references(tempnam,

    "warning: tempnam() possibly used unsafely; consider using mkstemp()");

#endif

#ifndef __SYMBIAN32__

extern char *_mktemp(char *);

#else

extern char *_mktemp(char *, int);

#endif//

EXPORT_C char *

tempnam(const char *dir, const char *pfx)	

{

	int sverrno;

	char *f, *name;

	if (!(name = malloc(MAXPATHLEN)))

		return(NULL);

	if (!pfx)

		pfx = "tmp.";

#ifndef __SYMBIAN32__

	//this section of code is moved below

	//As per standards the check should be on user specified

	//directory first

	if (issetugid() == 0 && (f = getenv("TMPDIR"))) {

		(void)snprintf(name, MAXPATHLEN, "%s%s%sXXXXXX", f,

		    *(f + strlen(f) - 1) == '/'? "": "/", pfx);

		if ((f = _mktemp(name)))

			return(f);

	}

#endif //__SYMBIAN32__

	if ((f = (char *)dir)) {

		#ifndef __SYMBIAN32__

		(void)snprintf(name, MAXPATHLEN, "%s%s%sXXXXXX", f,

		    *(f + strlen(f) - 1) == '/'? "": "/", pfx);

			if ((f = _mktemp(name)))

		#else

		(void)snprintf(name, MAXPATHLEN, "%s%s%sXXXXXX", f,

		    *(f + strlen(f) - 1) == '\\'? "": "\\", pfx);

		    if((f = _mktemp(name, 0)))

		#endif //__SYMBIAN32__

			return(f);

		}

	f = P_tmpdir;

#ifndef __SYMBIAN32__

	(void)snprintf(name, MAXPATHLEN, "%s%sXXXXXX", f, pfx);

	if ((f = _mktemp(name)))

#else

	(void)snprintf(name, MAXPATHLEN, "%s%s%sXXXXXX", f,

		    *(f + strlen(f) - 1) == '\\'? "": "\\", pfx);

	if((f = _mktemp(name, O_TMPFILE)))

#endif //__SYMBIAN32__

	return(f);

#ifdef __SYMBIAN32__

	if (issetugid() == 0 && (f = getenv("TMPDIR"))) {

		(void)snprintf(name, MAXPATHLEN, "%s%s%sXXXXXX", f,

		    *(f + strlen(f) - 1) == '/'? "": "/", pfx);

		#ifndef __SYMBIAN32__

			if ((f = _mktemp(name)))

		#else

			if((f = _mktemp(name, O_TMPFILE)))

		#endif	//__SYMBIAN32__

			return(f);

	}

#endif //__SYMBIAN32__

	f = _PATH_TMP;

	(void)snprintf(name, MAXPATHLEN, "%s%sXXXXXX", f, pfx);

		#ifndef __SYMBIAN32__

				if ((f = _mktemp(name)))

		#else

				if((f = _mktemp(name, O_TMPFILE)))

		#endif	//__SYMBIAN32__

				return(f);

	sverrno = errno;

	free(name);

	errno = sverrno;

	return(NULL);

}