1 files changed, 6 insertions, 6 deletions
diff --git a/Swiften/Elements/IBB.h b/Swiften/Elements/IBB.h
index bd0b661..6ebe66e 100644
--- a/Swiften/Elements/IBB.h
+++ b/Swiften/Elements/IBB.h
@@ -1,11 +1,11 @@
 /*
- * Copyright (c) 2010-2016 Isode Limited.
+ * Copyright (c) 2010-2018 Isode Limited.
  * All rights reserved.
  * See the COPYING file for more information.
  */
 
 #pragma once
 
 #include <memory>
 #include <string>
 #include <vector>
@@ -22,22 +22,22 @@ namespace Swift {
                 Open,
                 Close,
                 Data
             };
             enum StanzaType {
                 IQStanza,
                 MessageStanza
             };
 
-            IBB(Action action = Open, const std::string& streamID = "") : action(action), streamID(streamID), stanzaType(IQStanza), blockSize(-1), sequenceNumber(-1) {
+            IBB(Action action = Open, const std::string& streamID = "") : action(action), streamID(streamID), stanzaType(IQStanza), blockSize(0), sequenceNumber(-1) {
             }
 
-            static IBB::ref createIBBOpen(const std::string& streamID, int blockSize) {
+            static IBB::ref createIBBOpen(const std::string& streamID, unsigned int blockSize) {
                 IBB::ref result = std::make_shared<IBB>(Open, streamID);
                 result->setBlockSize(blockSize);
                 return result;
             }
 
             static IBB::ref createIBBData(const std::string& streamID, int sequenceNumber, const std::vector<unsigned char>& data) {
                 IBB::ref result = std::make_shared<IBB>(Data, streamID);
                 result->setSequenceNumber(sequenceNumber);
                 result->setData(data);
@@ -74,34 +74,34 @@ namespace Swift {
 
             const std::vector<unsigned char>& getData() const {
                 return data;
             }
 
             void setData(const std::vector<unsigned char>& data) {
                 this->data = data;
             }
 
-            int getBlockSize() const {
+            unsigned int getBlockSize() const {
                 return blockSize;
             }
 
-            void setBlockSize(int blockSize) {
+            void setBlockSize(unsigned int blockSize) {
                 this->blockSize = blockSize;
             }
 
             int getSequenceNumber() const {
                 return sequenceNumber;
             }
 
             void setSequenceNumber(int i) {
                 sequenceNumber = i;
             }
 
         private:
             Action action;
             std::string streamID;
             std::vector<unsigned char> data;
             StanzaType stanzaType;
-            int blockSize;
+            unsigned int blockSize;
             int sequenceNumber;
     };
 }