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

1 files changed, 3 insertions, 0 deletions

diff --git a/src/internal.h b/src/internal.h
index 979883e..477210d 100644
--- a/src/internal.h
+++ b/src/internal.h
@@ -205,6 +205,7 @@ struct term {
     struct cell *view_row_scratch;
     int tabs_cap;
     int view_scratch_cap;
+    bool custom_tabs;
 
     char osc_buf[256];
     char tcap_name[64];
@@ -347,11 +348,13 @@ static inline struct text_pen term_text_pen(const struct term *t)
 static inline void term_tabs_clear(struct term *t)
 {
     memset(t->tabs, 0, (size_t)t->tabs_cap);
+    t->custom_tabs = true;
 }
 
 static inline void term_tabs_default(struct term *t)
 {
     for (int c = 8; c < t->tabs_cap; c += 8) t->tabs[c] = 1;
+    t->custom_tabs = false;
 }
 
 static inline bool term_str_was_truncated(struct term *t)