From cde480c6939e62771ba3b60ef4eb848031aee9f9 Mon Sep 17 00:00:00 2001 From: Hiltjo Posthuma Date: Sat, 9 May 2020 14:03:14 +0200 Subject: [PATCH] optimize column width calculation and utf-8 encode for ASCII In particular on OpenBSD and on glibc wcwidth() is quite expensive. On musl there is little difference. --- st.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/st.c b/st.c index 5d4054f..1414f98 100644 --- a/st.c +++ b/st.c @@ -2307,7 +2307,7 @@ tputc(Rune u) Glyph *gp; control = ISCONTROL(u); - if (!IS_SET(MODE_UTF8 | MODE_SIXEL)) { + if (u < 127 || !IS_SET(MODE_UTF8 | MODE_SIXEL)) { c[0] = u; width = len = 1; } else {