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/canfit.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 sys/libunicode/canfit.c (limited to 'sys/libunicode/canfit.c') diff --git a/sys/libunicode/canfit.c b/sys/libunicode/canfit.c new file mode 100644 index 0000000..d44c9e6 --- /dev/null +++ b/sys/libunicode/canfit.c @@ -0,0 +1,20 @@ +#include "internal.h" + +/* returns 1 if string of length n is long enough to be decoded */ +int +utf8·canfit(byte* s, int n) +{ + int i; + rune c; + + if(n <= 0) return 0; + c = *(ubyte*) s; + if(c < Tx) return 1; + + for(i = 3; i < UTFmax + 1; i++){ + if(c < Tbyte(i)) + return n >= i - 1; + } + + return n >= UTFmax; +} -- cgit v1.2.1