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 
24 int
__gen_tempfd(int flags)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 }
35 libc_hidden_def (__gen_tempfd)
36