NetBSD/lib/libc/stdio/tmpnam.c

70 lines
2.6 KiB
C
Raw Normal View History

1998-07-27 20:39:11 +04:00
/* $NetBSD: tmpnam.c,v 1.10 1998/07/27 16:39:11 mycroft Exp $ */
1993-03-21 12:45:37 +03:00
/*-
* Copyright (c) 1990, 1993, 1994
* The Regents of the University of California. All rights reserved.
1993-03-21 12:45:37 +03:00
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 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.
*/
#include <sys/cdefs.h>
1993-03-21 12:45:37 +03:00
#if defined(LIBC_SCCS) && !defined(lint)
#if 0
static char sccsid[] = "@(#)tmpnam.c 8.3 (Berkeley) 3/28/94";
#else
1998-07-27 20:39:11 +04:00
__RCSID("$NetBSD: tmpnam.c,v 1.10 1998/07/27 16:39:11 mycroft Exp $");
#endif
1993-03-21 12:45:37 +03:00
#endif /* LIBC_SCCS and not lint */
#include <sys/types.h>
1993-03-21 12:45:37 +03:00
#include <stdio.h>
#include <unistd.h>
#include "local.h"
__warn_references(tmpnam,
1998-07-27 20:39:11 +04:00
"warning: tmpnam() possibly used unsafely, use mkstemp() or mkdtemp()")
1993-03-21 12:45:37 +03:00
char *
tmpnam(s)
char *s;
{
1994-03-29 14:46:37 +04:00
static u_long tmpcount;
1993-03-21 12:45:37 +03:00
static char buf[L_tmpnam];
if (s == NULL)
s = buf;
1994-03-29 14:46:37 +04:00
(void)snprintf(s, L_tmpnam, "%stmp.%lu.XXXXXX", P_tmpdir, tmpcount);
++tmpcount;
return (_mktemp(s));
1993-03-21 12:45:37 +03:00
}