Add pragma pack directive

Related to https://github.com/open-source-parsers/jsoncpp/issues/458

include/json/allocator.h

@@ -9,6 +9,8 @@
 #include <cstring>
 #include <memory>
 
+#pragma pack(push, 8)
+
 namespace Json {
 template<typename T>
 class SecureAllocator {
@@ -91,4 +93,6 @@ bool operator!=(const SecureAllocator<T>&, const SecureAllocator<U>&) {
 
 } //namespace Json
 
+#pragma pack(pop)
+
 #endif // CPPTL_JSON_ALLOCATOR_H_INCLUDED

include/json/features.h

@@ -10,6 +10,8 @@
 #include "forwards.h"
 #endif // if !defined(JSON_IS_AMALGAMATION)
 
+#pragma pack(push, 8)
+
 namespace Json {
 
 /** \brief Configuration passed to reader and writer.
@@ -54,4 +56,6 @@ public:
 
 } // namespace Json
 
+#pragma pack(pop)
+
 #endif // CPPTL_JSON_FEATURES_H_INCLUDED

include/json/reader.h

@@ -23,6 +23,8 @@
 #pragma warning(disable : 4251)
 #endif // if defined(JSONCPP_DISABLE_DLL_INTERFACE_WARNING)
 
+#pragma pack(push, 8)
+
 namespace Json {
 
 /** \brief Unserialize a <a HREF="http://www.json.org">JSON</a> document into a
@@ -397,6 +399,8 @@ JSON_API JSONCPP_ISTREAM& operator>>(JSONCPP_ISTREAM&, Value&);
 
 } // namespace Json
 
+#pragma pack(pop)
+
 #if defined(JSONCPP_DISABLE_DLL_INTERFACE_WARNING)
 #pragma warning(pop)
 #endif // if defined(JSONCPP_DISABLE_DLL_INTERFACE_WARNING)

include/json/value.h

@@ -42,6 +42,8 @@
 #pragma warning(disable : 4251)
 #endif // if defined(JSONCPP_DISABLE_DLL_INTERFACE_WARNING)
 
+#pragma pack(push, 8)
+
 /** \brief JSON (JavaScript Object Notation).
  */
 namespace Json {
@@ -859,6 +861,7 @@ template<>
 inline void swap(Json::Value& a, Json::Value& b) { a.swap(b); }
 }
 
+#pragma pack(pop)
 
 #if defined(JSONCPP_DISABLE_DLL_INTERFACE_WARNING)
 #pragma warning(pop)

include/json/writer.h

@@ -20,6 +20,8 @@
 #pragma warning(disable : 4251)
 #endif // if defined(JSONCPP_DISABLE_DLL_INTERFACE_WARNING)
 
+#pragma pack(push, 8)
+
 namespace Json {
 
 class Value;
@@ -324,6 +326,8 @@ JSON_API JSONCPP_OSTREAM& operator<<(JSONCPP_OSTREAM&, const Value& root);
 
 } // namespace Json
 
+#pragma pack(pop)
+
 #if defined(JSONCPP_DISABLE_DLL_INTERFACE_WARNING)
 #pragma warning(pop)
 #endif // if defined(JSONCPP_DISABLE_DLL_INTERFACE_WARNING)