/* 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, see <http://www.gnu.org/licenses/>. */ #include <stdio.h> #include "../misc/internals/tempname.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, __GT_NOCREATE, 0, 0, 0)) return NULL; return s; }