# HG changeset patch
# User Jim Meyering <jim@meyering.net>
# Date 999541558 0
# Node ID 21277cc5ced574585d5ca8bf5149a1ba1bba68f9
# Parent  f584fe45f97f5d436832628d3c262202a9acbc6f
(xreadlink): Preserve errno around `free' during failure.

diff --git a/lib/xreadlink.c b/lib/xreadlink.c
--- a/lib/xreadlink.c
+++ b/lib/xreadlink.c
@@ -58,7 +58,9 @@
       link_length = readlink (filename, buffer, buf_size);
       if (link_length < 0)
 	{
+	  int saved_errno = errno;
 	  free (buffer);
+	  errno = saved_errno;
 	  return NULL;
 	}
       if (link_length < buf_size)