1 files changed, 13 insertions, 0 deletions
diff --git a/src/cppc4group.hpp b/src/cppc4group.hpp
index 78370d9..166fadf 100644
--- a/src/cppc4group.hpp
+++ b/src/cppc4group.hpp
@@ -4,6 +4,7 @@
 #include <vector>
 #include <optional>
 #include <cstdio>
+#include <functional>
 
 class CppC4Group {
 	struct Private;
@@ -30,7 +31,18 @@ public:
 		bool official;
 	};
 
+	struct TmpMemory {
+		using TmpMemoryCleanupCallback = std::function<bool(void* memory, void* arg)>;
+
+		void* memory;
+		TmpMemoryCleanupCallback cleanup;
+		void* arg;
+
+		TmpMemory(void* const memory, const TmpMemoryCleanupCallback& cleanup, void* const arg);
+	};
+
 public:
+	using TmpMemoryCallback = std::optional<TmpMemory>(*)(size_t size);
 	using ReadCallback = bool(*)(const void** const data, size_t* const size, void* const arg);
 	using SetupCallback = bool(*)(void* const arg);
 
@@ -47,6 +59,7 @@ public:
 	};
 
 	static void setTmpMemoryStrategy(const TmpMemoryStrategy strategy);
+	static void setTmpMemoryStrategy(const TmpMemoryCallback callback);
 
 public:
 	CppC4Group();