1 files changed, 19 insertions, 1 deletions
diff --git a/scripting/engine_spidermonkey.h b/scripting/engine_spidermonkey.h
index 8aeb56c..a39d8fb 100644
--- a/scripting/engine_spidermonkey.h
+++ b/scripting/engine_spidermonkey.h
@@ -93,6 +93,7 @@ namespace mongo {
     extern JSClass dbref_class;
     extern JSClass bindata_class;
     extern JSClass timestamp_class;
+    extern JSClass numberlong_class;
     extern JSClass minkey_class;
     extern JSClass maxkey_class;
 
@@ -112,5 +113,22 @@ namespace mongo {
 #define JSVAL_IS_OID(v) ( JSVAL_IS_OBJECT( v ) && JS_InstanceOf( cx , JSVAL_TO_OBJECT( v ) , &object_id_class , 0 ) )
     
     bool isDate( JSContext * cx , JSObject * o );
-    
+
+    // JS private data must be 2byte aligned, so we use a holder to refer to an unaligned pointer.
+    struct BinDataHolder {
+        BinDataHolder( const char *c, int copyLen = -1 ) :
+        c_( const_cast< char * >( c ) ),
+        iFree_( copyLen != -1 ) {
+            if ( copyLen != -1 ) {
+                c_ = (char*)malloc( copyLen );
+                memcpy( c_, c, copyLen );
+            }
+        }
+        ~BinDataHolder() {
+            if ( iFree_ )
+                free( c_ );
+        }
+        char *c_;
+        bool iFree_;
+    };
 }