Implement stub emulation of `readlink' for MS-DOS.

[gnu-emacs] / src / scroll.c

diff --git a/src/scroll.c b/src/scroll.c
index 296e5784d0caf74f908818bd830d6e042a331da9..1343b89c41e2d2755df361cd561ee4f748076c42 100644 (file)
--- a/src/scroll.c
+++ b/src/scroll.c
@@ -1,6 +1,7 @@
-/* Calculate what line insertion or deletion to do, and do it,
-   Copyright (C) 1985, 1986, 1990, 1993, 1994, 2001, 2002, 2003, 2004,
-                 2005, 2006, 2007, 2008, 2009, 2010, 2011  Free Software Foundation, Inc.
+/* Calculate what line insertion or deletion to do, and do it
+
+Copyright (C) 1985-1986, 1990, 1993-1994, 2001-2011
+  Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
@@ -261,7 +262,8 @@ do_scrolling (struct frame *frame, struct glyph_matrix *current_matrix, struct m
   for (k = 0; k < window_size; ++k)
     copy_from[k] = -1;
 
-#define CHECK_BOUNDS                                                   \
+#if GLYPH_DEBUG
+# define CHECK_BOUNDS                                                  \
   do                                                                   \
     {                                                                  \
       int k;                                                           \
@@ -270,6 +272,7 @@ do_scrolling (struct frame *frame, struct glyph_matrix *current_matrix, struct m
                 || (copy_from[k] >= 0 && copy_from[k] < window_size)); \
     }                                                                  \
   while (0);
+#endif
 
   /* When j is advanced, this corresponds to deleted lines.
      When i is advanced, this corresponds to inserted lines.  */
@@ -1034,4 +1037,3 @@ do_line_insertion_deletion_costs (FRAME_PTR frame,
                 FRAME_DELETE_COST (frame), FRAME_DELETEN_COST (frame),
                 coefficient);
 }
-