summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--st.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/st.c b/st.c
index dffa84e..60243a7 100644
--- a/st.c
+++ b/st.c
@@ -1414,15 +1414,16 @@ void
tscrollup(int orig, int n) {
int i;
Line temp;
+
LIMIT(n, 0, term.bot-orig+1);
tclearregion(0, orig, term.col-1, orig+n-1);
tsetdirt(orig+n, term.bot);
for(i = orig; i <= term.bot-n; i++) {
- temp = term.line[i];
- term.line[i] = term.line[i+n];
- term.line[i+n] = temp;
+ temp = term.line[i];
+ term.line[i] = term.line[i+n];
+ term.line[i+n] = temp;
}
selscroll(orig, -n);