3 files changed, 12 insertions, 9 deletions

diff --git a/src/Bindings/ManualBindings.cpp b/src/Bindings/ManualBindings.cpp
index 05dc9717e..a5247bbe6 100644
--- a/src/Bindings/ManualBindings.cpp
+++ b/src/Bindings/ManualBindings.cpp
@@ -2563,9 +2563,13 @@ static int tolua_cBlockArea_SaveToSchematicString(lua_State * tolua_S)
 		return 0;
 	}
 	
-	AString Data = cSchematicFileSerializer::SaveToSchematicString(*self);
-	L.Push(Data);
-	return 1;
+	AString Data;
+	if (cSchematicFileSerializer::SaveToSchematicString(*self, Data))
+	{
+		L.Push(Data);
+		return 1;
+	}
+	return 0;
 }
 
 
diff --git a/src/WorldStorage/SchematicFileSerializer.cpp b/src/WorldStorage/SchematicFileSerializer.cpp
index a6ae8d8e0..b021aeb0c 100644
--- a/src/WorldStorage/SchematicFileSerializer.cpp
+++ b/src/WorldStorage/SchematicFileSerializer.cpp
@@ -103,7 +103,7 @@ bool cSchematicFileSerializer::SaveToSchematicFile(const cBlockArea & a_BlockAre
 
 
 
-AString cSchematicFileSerializer::SaveToSchematicString(const cBlockArea & a_BlockArea)
+bool cSchematicFileSerializer::SaveToSchematicString(const cBlockArea & a_BlockArea, AString & a_Out)
 {
 	// Serialize into NBT data:
 	AString NBT = SaveToSchematicNBT(a_BlockArea);
@@ -114,14 +114,13 @@ AString cSchematicFileSerializer::SaveToSchematicString(const cBlockArea & a_Blo
 	}
 	
 	// Gzip the data:
-	AString Compressed;
-	int res = CompressStringGZIP(NBT.data(), NBT.size(), Compressed);
+	int res = CompressStringGZIP(NBT.data(), NBT.size(), a_Out);
 	if (res != Z_OK)
 	{
 		LOG("%s: Cannot Gzip the area data NBT representation: %d", __FUNCTION__, res);
 		return false;
 	}
-	return Compressed;
+	return true;
 }
 
 
diff --git a/src/WorldStorage/SchematicFileSerializer.h b/src/WorldStorage/SchematicFileSerializer.h
index f6ce1c16c..05b6c74f4 100644
--- a/src/WorldStorage/SchematicFileSerializer.h
+++ b/src/WorldStorage/SchematicFileSerializer.h
@@ -36,8 +36,8 @@ public:
 	static bool SaveToSchematicFile(const cBlockArea & a_BlockArea, const AString & a_FileName);
 	
 	/** Saves the area into a string containing the .schematic file data.
-	Returns the data, or empty string if failed. */
-	static AString SaveToSchematicString(const cBlockArea & a_BlockArea);
+	Returns true if successful, false on failure. The data is stored into a_Out. */
+	static bool SaveToSchematicString(const cBlockArea & a_BlockArea, AString & a_Out);
 	
 private:
 	/** Loads the area from a schematic file uncompressed and parsed into a NBT tree.