Feat(libunicode): cleaned up decode/encode

Additionally, decode can now apply backwards on a byte string.

1 files changed, 3 insertions, 2 deletions

diff --git a/sys/libunicode/find.c b/sys/libunicode/find.c
index 659ab5b..d75feb8 100644
--- a/sys/libunicode/find.c
+++ b/sys/libunicode/find.c
@@ -7,17 +7,18 @@ utf8·find(byte* s, rune c)
     rune r;
     int  n;
 
-    if(c < RuneSync)
+    if(c < Tx)
         return strchr(s, c);
 
     for(;;){
         c1 = *(ubyte*)s;
-        if(c1 < RuneSelf) {
+        if(c1 < Tx){
             if(c1 == 0) return nil;
             if(c1 == c) return s;
             s++;
             continue;
         }
+
         n = utf8·decode(s, &r);
 
         if(r == c)