Use BETWEEN in tinsertblankline and tdeleteline.

[st.git] / st.c

diff --git a/st.c b/st.c
index 7ffe59a..92fd7da 100644 (file)
--- 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
@@ -3815,7 +3811,7 @@ run(void) {
 
 void
 usage(void) {
-       die("%s " VERSION " (c) 2010-2013 st engineers\n" \
+       die("%s " VERSION " (c) 2010-2014 st engineers\n" \
        "usage: st [-a] [-v] [-c class] [-f font] [-g geometry] [-o file]" \
        " [-t title] [-w windowid] [-e command ...]\n", argv0);
 }