Thanks for checking. I installed the attached into Gnulib master. The "(tiny
change)" is because the patch is small enough that we don't need to worry about
copyright papers.
>From c50cf67bd7ff70525f3cb4074f0d9cc1f5c6cf9c Mon Sep 17 00:00:00 2001
From: Andreas Henriksson <andr...@fatal.se>
Date: Sun, 7 Oct 2018 15:01:07 -0700
Subject: [PATCH] renameatu: prefer renameat2 to syscall
* lib/renameatu.c (renameatu) [HAVE_RENAMEAT2]:
Use renameat2 instead of syscall (Bug#32796).
* m4/renameat.m4 (gl_FUNC_RENAMEAT): Check for renameat2.
---
ChangeLog | 7 +++++++
lib/renameatu.c | 5 ++++-
m4/renameat.m4 | 2 +-
3 files changed, 12 insertions(+), 2 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index 9726fdfe1..a91bbd139 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2018-10-07 Andreas Henriksson <andr...@fatal.se> (tiny change)
+
+ renameatu: prefer renameat2 to syscall
+ * lib/renameatu.c (renameatu) [HAVE_RENAMEAT2]:
+ Use renameat2 instead of syscall (Bug#32796).
+ * m4/renameat.m4 (gl_FUNC_RENAMEAT): Check for renameat2.
+
2018-10-07 Benno Schulenberg <bensb...@telfort.nl>
bootstrap, gnulib-tool: use https instead of insecure rsync
diff --git a/lib/renameatu.c b/lib/renameatu.c
index b013ad697..58eee92ec 100644
--- a/lib/renameatu.c
+++ b/lib/renameatu.c
@@ -80,7 +80,10 @@ renameatu (int fd1, char const *src, int fd2, char const *dst,
int ret_val = -1;
int err = EINVAL;
-#ifdef SYS_renameat2
+#ifdef HAVE_RENAMEAT2
+ ret_val = renameat2 (fd1, src, fd2, dst, flags);
+ err = errno;
+#elif defined SYS_renameat2
ret_val = syscall (SYS_renameat2, fd1, src, fd2, dst, flags);
err = errno;
#elif defined RENAME_EXCL
diff --git a/m4/renameat.m4 b/m4/renameat.m4
index 116750785..9101844c4 100644
--- a/m4/renameat.m4
+++ b/m4/renameat.m4
@@ -15,7 +15,7 @@ AC_DEFUN([gl_FUNC_RENAMEAT],
AC_REQUIRE([gl_STDIO_H_DEFAULTS])
AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
AC_CHECK_HEADERS([linux/fs.h])
- AC_CHECK_FUNCS_ONCE([renameat])
+ AC_CHECK_FUNCS_ONCE([renameat renameat2])
if test $ac_cv_func_renameat = no; then
HAVE_RENAMEAT=0
elif test $REPLACE_RENAME = 1; then
--
2.17.1
