1 files changed, 5 insertions, 3 deletions
diff --git a/Swiften/Parser/ExpatParser.cpp b/Swiften/Parser/ExpatParser.cpp
index 77d959c..8415c42 100644
--- a/Swiften/Parser/ExpatParser.cpp
+++ b/Swiften/Parser/ExpatParser.cpp
@@ -1,25 +1,24 @@
 /*
  * Copyright (c) 2010-2016 Isode Limited.
  * All rights reserved.
  * See the COPYING file for more information.
  */
 
 #include <Swiften/Parser/ExpatParser.h>
 
 #include <cassert>
+#include <limits>
 #include <memory>
 #include <string>
 
 #include <expat.h>
 
-#include <boost/numeric/conversion/cast.hpp>
-
 #include <Swiften/Base/String.h>
 #include <Swiften/Parser/XMLParserClient.h>
 
 #pragma clang diagnostic ignored "-Wdisabled-macro-expansion"
 
 namespace Swift {
 
 static const char NAMESPACE_SEPARATOR = '\x01';
 
@@ -78,19 +77,22 @@ ExpatParser::ExpatParser(XMLParserClient* client) : XMLParser(client), p(new Pri
     XML_SetXmlDeclHandler(p->parser_, handleXMLDeclaration);
     XML_SetEntityDeclHandler(p->parser_, handleEntityDeclaration);
 }
 
 ExpatParser::~ExpatParser() {
     XML_ParserFree(p->parser_);
 }
 
 bool ExpatParser::parse(const std::string& data) {
-    bool success = XML_Parse(p->parser_, data.c_str(), boost::numeric_cast<int>(data.size()), false) == XML_STATUS_OK;
+    if (data.size() > std::numeric_limits<int>::max()) {
+        return false;
+    }
+    bool success = XML_Parse(p->parser_, data.c_str(), static_cast<int>(data.size()), false) == XML_STATUS_OK;
     /*if (!success) {
         std::cout << "ERROR: " << XML_ErrorString(XML_GetErrorCode(p->parser_)) << " while parsing " << data << std::endl;
     }*/
     return success;
 }
 
 void ExpatParser::stopParser() {
     XML_StopParser(p->parser_, static_cast<XML_Bool>(0));
 }