diff options
Diffstat (limited to 'sysdeps')
| -rw-r--r-- | sysdeps/unix/sysv/linux/gentempfd.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/gentempfd.c b/sysdeps/unix/sysv/linux/gentempfd.c new file mode 100644 index 0000000000..902cbe286e --- /dev/null +++ b/sysdeps/unix/sysv/linux/gentempfd.c @@ -0,0 +1,34 @@ +/* Generate a temporary file descriptor. Linux version. + Copyright (C) 2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <stdio.h> +#include <fcntl.h> +#include <errno.h> + +int +__gen_tempfd (int flags) +{ + int fd = __open (P_tmpdir, O_RDWR | O_TMPFILE | O_EXCL | flags, + S_IRUSR | S_IWUSR); + if (fd < 0 && errno == ENOENT && strcmp (P_tmpdir, "/tmp") != 0) + fd = __open ("/tmp", O_RDWR | O_TMPFILE | O_EXCL | flags, + S_IRUSR | S_IWUSR); + + return fd; +} +libc_hidden_def (__gen_tempfd) |