Improve check against integer wraparound in hcreate_r [BZ #18240]
[glibc.git] / misc / mkostemp.c
blobc990bbd75b7c61b79258502a94cd1dd448443693
1 /* Copyright (C) 1998-2016 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <http://www.gnu.org/licenses/>. */
18 #include <stdio.h>
19 #include <stdlib.h>
21 #ifndef __GT_FILE
22 # define __GT_FILE 0
23 #endif
25 /* Generate a unique temporary file name from TEMPLATE.
26 The last six characters of TEMPLATE must be "XXXXXX";
27 they are replaced with a string that makes the filename unique.
28 Then open the file and return a fd. */
29 int
30 mkostemp (char *template, int flags)
32 return __gen_tempname (template, 0, flags, __GT_FILE);
35 #if !defined O_LARGEFILE || O_LARGEFILE == 0
36 weak_alias (mkostemp, mkostemp64)
37 #endif