unix.c (stream_at_bof): Don't assume that all non-mmapped files are non-seekable.

	* unix.c (stream_at_bof): Don't assume that all non-mmapped files
	are non-seekable.
	(stream_at_eof): Likewise.

From-SVN: r101164

libgfortran/ChangeLog

+2005-06-18  Janne Blomqvist  <jblomqvi@cc.hut.fi>
+
+	* unix.c (stream_at_bof): Don't assume that all non-mmapped files
+	are non-seekable.
+	(stream_at_eof): Likewise.
+
 2005-06-18  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
 
 	PR libfortran/19155

libgfortran/io/unix.c

@@ -1298,10 +1298,10 @@ stream_at_bof (stream * s)
 {
   unix_stream *us;
 
-  us = (unix_stream *) s;
+  if (!is_seekable (s))
+    return 0;
 
-  if (!us->mmaped)
-    return 0;			/* File is not seekable */
+  us = (unix_stream *) s;
 
   return us->logical_offset == 0;
 }
@@ -1315,10 +1315,10 @@ stream_at_eof (stream * s)
 {
   unix_stream *us;
 
-  us = (unix_stream *) s;
+  if (!is_seekable (s))
+    return 0;
 
-  if (!us->mmaped)
-    return 0;			/* File is not seekable */
+  us = (unix_stream *) s;
 
   return us->logical_offset == us->dirty_offset;
 }