Mask codepoint to long to emulate uint.

Without this the max valid value guard can fail for negative int range. This also matches code from C Ruby better.
jruby · Jul 31, 2017 · 612c6b5 · 612c6b5
1 parent 93ac88e
commit 612c6b5
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/org/jcodings/specific/BaseUTF8Encoding.java b/src/org/jcodings/specific/BaseUTF8Encoding.java
@@ -67,7 +67,8 @@ public boolean isNewLine(byte[]bytes, int p, int end) {
     private static final int VALID_CODE_LIMIT = 0x0010ffff;
 
     @Override
-    public int codeToMbcLength(int code) {
+    public int codeToMbcLength(int intCode) {
+        long code = intCode & 0xFFFFFFFFL;
         if ((code & 0xffffff80) == 0) {
             return 1;
         } else if ((code & 0xfffff800) == 0) {