Use BETWEEN in tinsertblankline and tdeleteline.

1 files changed, 4 insertions, 8 deletions

diff --git a/st.c b/st.c
index 019f53c..92fd7da 100644
--- a/st.c
+++ b/st.c
@@ -1628,18 +1628,14 @@ tinsertblank(int n) {
 
 void
 tinsertblankline(int n) {
-        if(term.c.y < term.top || term.c.y > term.bot)
-                return;
-
-        tscrolldown(term.c.y, n);
+        if(BETWEEN(term.c.y, term.top, term.bot))
+                tscrolldown(term.c.y, n);
 }
 
 void
 tdeleteline(int n) {
-        if(term.c.y < term.top || term.c.y > term.bot)
-                return;
-
-        tscrollup(term.c.y, n);
+        if(BETWEEN(term.c.y, term.top, term.bot))
+                tscrollup(term.c.y, n);
 }
 
 int32_t