# HG changeset patch
# User Bruno Haible <bruno@clisp.org>
# Date 1212338635 -7200
# Node ID 879d77289ca09dccbbf20293850b396486741cd8
# Parent  0f46743a158e7c3c2dd6fa239deb8c6f77dfc88a
Use special-purpose function in DragonFly BSD.

diff --git a/ChangeLog b/ChangeLog
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2008-06-01  Bruno Haible  <bruno@clisp.org>
+
+	* lib/freadahead.c (freadahead) [__DragonFly__]: Use the __sreadahead
+	function.
+	Reported by VOROSKOI Andras <voroskoi@gmail.com>.
+
 2008-06-01  Bruno Haible  <bruno@clisp.org>
 
 	* modules/rpmatch (Depends-on): Add strdup.
diff --git a/lib/freadahead.c b/lib/freadahead.c
--- a/lib/freadahead.c
+++ b/lib/freadahead.c
@@ -33,8 +33,12 @@
 #elif defined __sferror || defined __DragonFly__ /* FreeBSD, NetBSD, OpenBSD, DragonFly, MacOS X, Cygwin */
   if ((fp_->_flags & __SWR) != 0 || fp_->_r < 0)
     return 0;
+# if defined __DragonFly__
+  return __sreadahead (fp);
+# else
   return fp_->_r
 	 + (HASUB (fp) ? fp_->_ur : 0);
+# endif
 #elif defined __EMX__               /* emx+gcc */
   if ((fp->_flags & _IOWRT) != 0)
     return 0;