Optimize hot loops with direct access, LUTs, and closed-form formulas

1 files changed, 6 insertions, 0 deletions

diff --git a/src/text.c b/src/text.c
index c68011f..07ade9d 100644
--- a/src/text.c
+++ b/src/text.c
@@ -343,6 +343,12 @@ void term_text_repeat(struct term *t, int count)
 {
     int screen = t->cols * t->rows;
     if (count > screen) count = screen;
+    if (count <= 0 || !t->last_char)
+        return;
+    if (count == 1) {
+        term_sc_print_glyph(t, t->last_char, -1, term_current_flags(t));
+        return;
+    }
     for (int j = 0; j < count && t->last_char; j++)
         term_sc_print_glyph(t, t->last_char, -1, term_current_flags(t));
 }