1/* Generate a temporary file descriptor. Linux version.
2 Copyright (C) 2017-2021 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19#include <stdio.h>
20#include <fcntl.h>
21#include <errno.h>
22#include <string.h>
23
24int
25__gen_tempfd (int flags)
26{
27 int fd = __open (P_tmpdir, O_RDWR | O_TMPFILE | O_EXCL | flags,
28 S_IRUSR | S_IWUSR);
29 if (fd < 0 && errno == ENOENT && strcmp (P_tmpdir, "/tmp") != 0)
30 fd = __open ("/tmp", O_RDWR | O_TMPFILE | O_EXCL | flags,
31 S_IRUSR | S_IWUSR);
32
33 return fd;
34}
35libc_hidden_def (__gen_tempfd)
36