glibc/stdio-common/tmpnam_r.c
Ulrich Drepper 60876a7544 Update.
* include/stdio.h: Add new parameter to __path_search.
	* libio/oldtmpfile.c: Add 0 as new parameter to __path_search.
	* stdio-common/tmpfile.c: Likewise.
	* stdio-common/tmpfile64.c: Likewise.
	* stdio-common/tmpnam.c: Likewise.
	* stdio-common/tmpnam_r.c: Likewise.
	* stdio-common/tempnam.c: Add 1 as new parameter to __path_search.
	* sysdeps/posix/tempname.c: Add new parameter.  If value is nonzero
	consider TMPDIR environment variable and dir parameter.  Otherwise not.
	* stdio-common/Makefile (tests): Add tst-tmpnam.
	* stdio-common/tst-tmpnam.c: New file.
1998-12-14 15:23:56 +00:00

36 lines
1.2 KiB
C

/* Copyright (C) 1991, 1993, 1996, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <stdio.h>
/* Generate a unique filename in P_tmpdir. If S is NULL return NULL.
This makes this function thread safe. */
char *
tmpnam_r (char *s)
{
if (s == NULL)
return NULL;
if (__path_search (s, L_tmpnam, NULL, NULL, 0))
return NULL;
if (__gen_tempname (s, 0, 0))
return NULL;
return s;
}