Remove unused empty_internal_buffer function

From-SVN: r166276

libgfortran/ChangeLog

+2010-11-03  Janne Blomqvist  <jb@gcc.gnu.org>
+
+	* io/unix.h: Remove empty_internal_buffer prototype.
+	* io/unix.c (empty_internal_buffer): Remove unused function.
+
 2010-11-03  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 
 	PR libgfortran/43899

libgfortran/io/unix.c

@@ -849,15 +849,6 @@ mem_close (unix_stream * s)
   define functional equivalents of the following.
 *********************************************************************/
 
-/* empty_internal_buffer()-- Zero the buffer of Internal file */
-
-void
-empty_internal_buffer(stream *strm)
-{
-  unix_stream * s = (unix_stream *) strm;
-  memset(s->buffer, ' ', s->file_length);
-}
-
 /* open_internal()-- Returns a stream structure from a character(kind=1)
    internal file */
 

libgfortran/io/unix.h

@@ -189,9 +189,6 @@ internal_proto(is_special);
 extern void flush_if_preconnected (stream *);
 internal_proto(flush_if_preconnected);
 
-extern void empty_internal_buffer(stream *);
-internal_proto(empty_internal_buffer);
-
 extern int stream_isatty (stream *);
 internal_proto(stream_isatty);