11573Srgrimes/*-
21573Srgrimes * Copyright (c) 1990, 1993, 1994
31573Srgrimes *	The Regents of the University of California.  All rights reserved.
41573Srgrimes *
51573Srgrimes * This code is derived from software contributed to Berkeley by
61573Srgrimes * Chris Torek.
71573Srgrimes *
81573Srgrimes * Redistribution and use in source and binary forms, with or without
91573Srgrimes * modification, are permitted provided that the following conditions
101573Srgrimes * are met:
111573Srgrimes * 1. Redistributions of source code must retain the above copyright
121573Srgrimes *    notice, this list of conditions and the following disclaimer.
131573Srgrimes * 2. Redistributions in binary form must reproduce the above copyright
141573Srgrimes *    notice, this list of conditions and the following disclaimer in the
151573Srgrimes *    documentation and/or other materials provided with the distribution.
16249808Semaste * 3. Neither the name of the University nor the names of its contributors
171573Srgrimes *    may be used to endorse or promote products derived from this software
181573Srgrimes *    without specific prior written permission.
191573Srgrimes *
201573Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
211573Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
221573Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
231573Srgrimes * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
241573Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
251573Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
261573Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
271573Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
281573Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
291573Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
301573Srgrimes * SUCH DAMAGE.
311573Srgrimes */
321573Srgrimes
331573Srgrimes#if defined(LIBC_SCCS) && !defined(lint)
341573Srgrimesstatic char sccsid[] = "@(#)tmpnam.c	8.3 (Berkeley) 3/28/94";
351573Srgrimes#endif /* LIBC_SCCS and not lint */
3692986Sobrien#include <sys/cdefs.h>
3792986Sobrien__FBSDID("$FreeBSD$");
381573Srgrimes
391573Srgrimes#include <sys/types.h>
401573Srgrimes
411573Srgrimes#include <stdio.h>
421573Srgrimes#include <unistd.h>
431573Srgrimes
4450121Simp__warn_references(tmpnam,
4550121Simp    "warning: tmpnam() possibly used unsafely; consider using mkstemp()");
4650121Simp
4792905Sobrienextern char *_mktemp(char *);
4850121Simp
491573Srgrimeschar *
50249810Semastetmpnam(char *s)
511573Srgrimes{
521573Srgrimes	static u_long tmpcount;
531573Srgrimes	static char buf[L_tmpnam];
541573Srgrimes
551573Srgrimes	if (s == NULL)
561573Srgrimes		s = buf;
571573Srgrimes	(void)snprintf(s, L_tmpnam, "%stmp.%lu.XXXXXX", P_tmpdir, tmpcount);
581573Srgrimes	++tmpcount;
5952466Sache	return (_mktemp(s));
601573Srgrimes}
61