1 /* Copyright (C) 2000-2022 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
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.
8
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.
13
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 <https://www.gnu.org/licenses/>. */
17
18 #include <errno.h>
19 #include <fcntl.h>
20 #include <stdio.h>
21 #include <stdlib.h>
22
23 /* If O_LARGEFILE is zero, mkostemps.c defines mkostemps64 as an alias. */
24 #if defined O_LARGEFILE && O_LARGEFILE != 0
25
26 /* Generate a unique temporary file name from TEMPLATE. The last six
27 characters before a suffix of length SUFFIXLEN of TEMPLATE must be
28 "XXXXXX"; they are replaced with a string that makes the filename
29 unique. Then open the file and return a fd. */
30 int
mkostemps64(char * template,int suffixlen,int flags)31 mkostemps64 (char *template, int suffixlen, int flags)
32 {
33 if (suffixlen < 0)
34 {
35 __set_errno (EINVAL);
36 return -1;
37 }
38
39 return __gen_tempname (template, suffixlen, flags | O_LARGEFILE, __GT_FILE);
40 }
41
42 #endif
43