From ce05175372a9ddca1a225db0765ace1127a39293 Mon Sep 17 00:00:00 2001 From: Nicholas Date: Fri, 12 Nov 2021 09:22:01 -0800 Subject: chore: simplified organizational structure --- src/libutf/find.c | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 src/libutf/find.c (limited to 'src/libutf/find.c') diff --git a/src/libutf/find.c b/src/libutf/find.c new file mode 100644 index 0000000..d75feb8 --- /dev/null +++ b/src/libutf/find.c @@ -0,0 +1,31 @@ +#include "internal.h" + +byte* +utf8·find(byte* s, rune c) +{ + long c1; + rune r; + int n; + + if(c < Tx) + return strchr(s, c); + + for(;;){ + c1 = *(ubyte*)s; + if(c1 < Tx){ + if(c1 == 0) return nil; + if(c1 == c) return s; + s++; + continue; + } + + n = utf8·decode(s, &r); + + if(r == c) + return s; + + s += n; + } + + return nil; +} -- cgit v1.2.1