vis: clean up count handling

There are cases where zero can also be a legitimate count.

1 files changed, 5 insertions, 3 deletions

diff --git a/vis.h b/vis.h
index 37d91c9..64713ef 100644
--- a/vis.h
+++ b/vis.h
@@ -252,10 +252,12 @@ enum VisMotion {
  */
 bool vis_motion(Vis*, enum VisMotion, ...);
 
-/* a count of zero indicates that so far no special count was given.
- * operators, motions and text object will always perform their function
- * as if a minimal count of 1 was given */
+/* If no count is explicitly specified, operators, motions and
+ * text object will always perform their function as if a minimal
+ * count of 1 was given */
+#define VIS_COUNT_UNKNOWN (-1)
 int vis_count_get(Vis*);
+int vis_count_get_default(Vis*, int def);
 void vis_count_set(Vis*, int count);
 
 enum VisMotionType {