Fix upcasting issue that might result in bad hash codes.

gtoubassi · Dec 26, 2012 · b434927 · b434927
1 parent 64e3310
commit b434927
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/java/femtozip/src/org/toubassi/femtozip/substring/PrefixHash.java b/java/femtozip/src/org/toubassi/femtozip/substring/PrefixHash.java
@@ -39,7 +39,7 @@ public PrefixHash(byte[] buf, boolean addToHash) {
     }
 
     private int hashIndex(byte[] buf, int i) {
-        int code = buf[i] | (buf[i + 1] << 8) | (buf[i + 2] << 16) | (buf[i + 3] << 24);
+        int code = (buf[i] & 0xff) | ((buf[i + 1] & 0xff) << 8) | ((buf[i + 2] & 0xff) << 16) | ((buf[i + 3] & 0xff) << 24);
         return (code & 0x7fffff) % hash.length;
     }