1*5af32e75SAxel Dörfler /* Copyright (C) 1991,1993,1996-1999,2000 Free Software Foundation, Inc.
2*5af32e75SAxel Dörfler This file is part of the GNU C Library.
3*5af32e75SAxel Dörfler
4*5af32e75SAxel Dörfler The GNU C Library is free software; you can redistribute it and/or
5*5af32e75SAxel Dörfler modify it under the terms of the GNU Lesser General Public
6*5af32e75SAxel Dörfler License as published by the Free Software Foundation; either
7*5af32e75SAxel Dörfler version 2.1 of the License, or (at your option) any later version.
8*5af32e75SAxel Dörfler
9*5af32e75SAxel Dörfler The GNU C Library is distributed in the hope that it will be useful,
10*5af32e75SAxel Dörfler but WITHOUT ANY WARRANTY; without even the implied warranty of
11*5af32e75SAxel Dörfler MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12*5af32e75SAxel Dörfler Lesser General Public License for more details.
13*5af32e75SAxel Dörfler
14*5af32e75SAxel Dörfler You should have received a copy of the GNU Lesser General Public
15*5af32e75SAxel Dörfler License along with the GNU C Library; if not, write to the Free
16*5af32e75SAxel Dörfler Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17*5af32e75SAxel Dörfler 02111-1307 USA.
18*5af32e75SAxel Dörfler */
19*5af32e75SAxel Dörfler
20*5af32e75SAxel Dörfler
21*5af32e75SAxel Dörfler #include <stdio_private.h>
22*5af32e75SAxel Dörfler
23*5af32e75SAxel Dörfler
24*5af32e75SAxel Dörfler /** Generate a unique filename in P_tmpdir. If S is NULL return NULL.
25*5af32e75SAxel Dörfler * This makes this function thread safe.
26*5af32e75SAxel Dörfler */
27*5af32e75SAxel Dörfler
28*5af32e75SAxel Dörfler char *
tmpnam_r(char * s)29*5af32e75SAxel Dörfler tmpnam_r(char *s)
30*5af32e75SAxel Dörfler {
31*5af32e75SAxel Dörfler if (s == NULL)
32*5af32e75SAxel Dörfler return NULL;
33*5af32e75SAxel Dörfler
34*5af32e75SAxel Dörfler if (__path_search(s, L_tmpnam, NULL, NULL, 0))
35*5af32e75SAxel Dörfler return NULL;
36*5af32e75SAxel Dörfler if (__gen_tempname(s, __GT_NOCREATE))
37*5af32e75SAxel Dörfler return NULL;
38*5af32e75SAxel Dörfler
39*5af32e75SAxel Dörfler return s;
40*5af32e75SAxel Dörfler }
41*5af32e75SAxel Dörfler
42*5af32e75SAxel Dörfler //link_warning (tmpnam_r, "the use of `tmpnam_r' is dangerous, better use `mkstemp'")
43