| /* Copyright (C) 1991-2014 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 Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 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 |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #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, __GT_NOCREATE)) |
| return NULL; |
| |
| return s; |
| } |
| |
| link_warning (tmpnam_r, |
| "the use of `tmpnam_r' is dangerous, better use `mkstemp'") |