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Diffstat (limited to 'sysdeps/unix/sysv/linux/gentempfd.c')
-rw-r--r--sysdeps/unix/sysv/linux/gentempfd.c35
1 files changed, 35 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..ece6a7593c
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/gentempfd.c
@@ -0,0 +1,35 @@
+/* Generate a temporary file descriptor. Linux version.
+ Copyright (C) 2017-2018 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>
+#include <string.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)