158f0484fSRodney W. Grimes /*- 258f0484fSRodney W. Grimes * Copyright (c) 1990, 1993, 1994 358f0484fSRodney W. Grimes * The Regents of the University of California. All rights reserved. 458f0484fSRodney W. Grimes * 558f0484fSRodney W. Grimes * This code is derived from software contributed to Berkeley by 658f0484fSRodney W. Grimes * Chris Torek. 758f0484fSRodney W. Grimes * 858f0484fSRodney W. Grimes * Redistribution and use in source and binary forms, with or without 958f0484fSRodney W. Grimes * modification, are permitted provided that the following conditions 1058f0484fSRodney W. Grimes * are met: 1158f0484fSRodney W. Grimes * 1. Redistributions of source code must retain the above copyright 1258f0484fSRodney W. Grimes * notice, this list of conditions and the following disclaimer. 1358f0484fSRodney W. Grimes * 2. Redistributions in binary form must reproduce the above copyright 1458f0484fSRodney W. Grimes * notice, this list of conditions and the following disclaimer in the 1558f0484fSRodney W. Grimes * documentation and/or other materials provided with the distribution. 16*1d8053c5SEd Maste * 3. Neither the name of the University nor the names of its contributors 1758f0484fSRodney W. Grimes * may be used to endorse or promote products derived from this software 1858f0484fSRodney W. Grimes * without specific prior written permission. 1958f0484fSRodney W. Grimes * 2058f0484fSRodney W. Grimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 2158f0484fSRodney W. Grimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2258f0484fSRodney W. Grimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2358f0484fSRodney W. Grimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 2458f0484fSRodney W. Grimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2558f0484fSRodney W. Grimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2658f0484fSRodney W. Grimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2758f0484fSRodney W. Grimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2858f0484fSRodney W. Grimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2958f0484fSRodney W. Grimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3058f0484fSRodney W. Grimes * SUCH DAMAGE. 3158f0484fSRodney W. Grimes */ 3258f0484fSRodney W. Grimes 3358f0484fSRodney W. Grimes #if defined(LIBC_SCCS) && !defined(lint) 3458f0484fSRodney W. Grimes static char sccsid[] = "@(#)tmpnam.c 8.3 (Berkeley) 3/28/94"; 3558f0484fSRodney W. Grimes #endif /* LIBC_SCCS and not lint */ 36333fc21eSDavid E. O'Brien #include <sys/cdefs.h> 37333fc21eSDavid E. O'Brien __FBSDID("$FreeBSD$"); 3858f0484fSRodney W. Grimes 3958f0484fSRodney W. Grimes #include <sys/types.h> 4058f0484fSRodney W. Grimes 4158f0484fSRodney W. Grimes #include <stdio.h> 4258f0484fSRodney W. Grimes #include <unistd.h> 4358f0484fSRodney W. Grimes 44028aace8SWarner Losh __warn_references(tmpnam, 45028aace8SWarner Losh "warning: tmpnam() possibly used unsafely; consider using mkstemp()"); 46028aace8SWarner Losh 47c05ac53bSDavid E. O'Brien extern char *_mktemp(char *); 48028aace8SWarner Losh 4958f0484fSRodney W. Grimes char * 5058f0484fSRodney W. Grimes tmpnam(s) 5158f0484fSRodney W. Grimes char *s; 5258f0484fSRodney W. Grimes { 5358f0484fSRodney W. Grimes static u_long tmpcount; 5458f0484fSRodney W. Grimes static char buf[L_tmpnam]; 5558f0484fSRodney W. Grimes 5658f0484fSRodney W. Grimes if (s == NULL) 5758f0484fSRodney W. Grimes s = buf; 5858f0484fSRodney W. Grimes (void)snprintf(s, L_tmpnam, "%stmp.%lu.XXXXXX", P_tmpdir, tmpcount); 5958f0484fSRodney W. Grimes ++tmpcount; 605eb8ccf5SAndrey A. Chernov return (_mktemp(s)); 6158f0484fSRodney W. Grimes } 62