From 189b9e23edfe60b7e82c4c7b6071a3f98799653a Mon Sep 17 00:00:00 2001 From: Nicholas Noll Date: Tue, 26 Oct 2021 21:32:55 -0700 Subject: fix(unicode): renamed functions to be easier to understand their functions --- sys/libunicode/findlast.c | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 sys/libunicode/findlast.c (limited to 'sys/libunicode/findlast.c') diff --git a/sys/libunicode/findlast.c b/sys/libunicode/findlast.c new file mode 100644 index 0000000..3a4ed38 --- /dev/null +++ b/sys/libunicode/findlast.c @@ -0,0 +1,30 @@ +#include "internal.h" + +byte* +utf8·findlast(byte* s, rune c) +{ + long c1; + rune r; + byte *l; + + if(c < RuneSync) + return strrchr(s, c); + + l = nil; + for(;;){ + c1 = *(ubyte*)s; + if(c1 < RuneSelf) { + if(c1 == 0) return l; + if(c1 == c) l = s; + s++; + continue; + } + c1 = utf8·decode(s, &r); + if(r == c) + l = s; + + s += c1; + } + + return nil; +} -- cgit v1.2.1