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[thirdparty/glibc.git] / misc / mkstemps.c
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688903eb 1/* Copyright (C) 2009-2018 Free Software Foundation, Inc.
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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
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15 License along with the GNU C Library; if not, see
16 <http://www.gnu.org/licenses/>. */
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17
18#include <errno.h>
65a77b55 19#include <fcntl.h>
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20#include <stdio.h>
21#include <stdlib.h>
22
23#ifndef __GT_FILE
24# define __GT_FILE 0
25#endif
26
27/* Generate a unique temporary file name from TEMPLATE. The last six
28 characters before a suffix of length SUFFIXLEN of TEMPLATE must be
29 "XXXXXX"; they are replaced with a string that makes the filename
30 unique. Then open the file and return a fd. */
31int
9d46370c 32mkstemps (char *template, int suffixlen)
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33{
34 if (suffixlen < 0)
35 {
36 __set_errno (EINVAL);
37 return -1;
38 }
39
40 return __gen_tempname (template, suffixlen, 0, __GT_FILE);
41}
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42
43#if !defined O_LARGEFILE || O_LARGEFILE == 0
44weak_alias (mkstemps, mkstemps64)
45#endif