@@ -294,14 +294,12 @@
 
 		_distanceBits = distanceBits;
 		_dictionaryBits = dictionaryBits;
 
 		_slidingWindowMask = (1 << dictionaryBits) - 1;
-		_slidingWindow = [self allocMemoryWithSize:
+		_slidingWindow = [self allocZeroedMemoryWithSize:
 		    _slidingWindowMask + 1];
-		/* Avoid leaking data */
-		memset(_slidingWindow, 0, _slidingWindowMask + 1);
 	} @catch (id e) {
 		[self release];
 		@throw e;
 	}
 
@@ -358,12 +356,11 @@
 			goto start;
 		}
 
 		_codesCount = bits;
 		_codesReceived = 0;
-		_codesLengths = [self allocMemoryWithSize: bits];
-		memset(_codesLengths, 0, bits);
+		_codesLengths = [self allocZeroedMemoryWithSize: bits];
 		_skip = true;
 
 		_state = STATE_CODE_LEN_TREE;
 		goto start;
 	case STATE_CODE_LEN_TREE:
@@ -439,12 +436,11 @@
 			goto start;
 		}
 
 		_codesCount = bits;
 		_codesReceived = 0;
-		_codesLengths = [self allocMemoryWithSize: bits];
-		memset(_codesLengths, 0, bits);
+		_codesLengths = [self allocZeroedMemoryWithSize: bits];
 		_skip = false;
 
 		_treeIter = _codeLenTree;
 		_state = STATE_LITLEN_TREE;
 		goto start;
@@ -529,12 +525,11 @@
 			goto start;
 		}
 
 		_codesCount = bits;
 		_codesReceived = 0;
-		_codesLengths = [self allocMemoryWithSize: bits];
-		memset(_codesLengths, 0, bits);
+		_codesLengths = [self allocZeroedMemoryWithSize: bits];
 
 		_treeIter = _codeLenTree;
 		_state = STATE_DIST_TREE;
 		goto start;
 	case STATE_DIST_TREE: