From 4baf9081f84a7bd5cae359071bcaab275c3cf76e Mon Sep 17 00:00:00 2001
From: Ulrich Drepper <drepper@redhat.com>
Date: Mon, 27 Feb 2006 00:52:57 +0000
Subject: Add fifth parameter to linkat.

---
 io/linkat.c                      |  5 +++--
 sysdeps/unix/sysv/linux/linkat.c | 12 ++++++++++--
 2 files changed, 13 insertions(+), 4 deletions(-)

diff --git a/io/linkat.c b/io/linkat.c
index 6420d50..9afcf61 100644
--- a/io/linkat.c
+++ b/io/linkat.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2005 Free Software Foundation, Inc.
+/* Copyright (C) 2005, 2006 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
@@ -24,11 +24,12 @@
 
 /* Make a link to FROM relative to FROMFD called TO relative to TOFD.  */
 int
-linkat (fromfd, from, tofd, to)
+linkat (fromfd, from, tofd, to, flags)
      int fromfd;
      const char *from;
      int tofd;
      const char *to;
+     int flags;
 {
   if (from == NULL || to == NULL)
     {
diff --git a/sysdeps/unix/sysv/linux/linkat.c b/sysdeps/unix/sysv/linux/linkat.c
index 5485b3f..e1faf9d 100644
--- a/sysdeps/unix/sysv/linux/linkat.c
+++ b/sysdeps/unix/sysv/linux/linkat.c
@@ -28,20 +28,28 @@
 /* Make a link to FROM named TO but relative paths in TO and FROM are
    interpreted relative to FROMFD and TOFD respectively.  */
 int
-linkat (fromfd, from, tofd, to)
+linkat (fromfd, from, tofd, to, flags)
      int fromfd;
      const char *from;
      int tofd;
      const char *to;
+     int flags;
 {
   int result;
 
+  // XXX Will be removed once the kernel support is in place.
+  if (flags != 0)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
 #ifdef __NR_linkat
 # ifndef __ASSUME_ATFCTS
   if (__have_atfcts >= 0)
 # endif
     {
-      result = INLINE_SYSCALL (linkat, 4, fromfd, from, tofd, to);
+      result = INLINE_SYSCALL (linkat, 5, fromfd, from, tofd, to, flags);
 # ifndef __ASSUME_ATFCTS
       if (result == -1 && errno == ENOSYS)
 	__have_atfcts = -1;
-- 
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