Add support for custom allocators

This makes it explicit in the API where memory is allocated, and allows the
user to provide a custom allocator to avoid the use of the default system
allocator for whatever reason.

1 files changed, 5 insertions, 3 deletions

diff --git a/src/sink.h b/src/sink.h
index 097e0d6d..baed246e 100644
--- a/src/sink.h
+++ b/src/sink.h
@@ -5,15 +5,17 @@
 #define SERD_SRC_SINK_H
 
 #include "serd/event.h"
+#include "serd/memory.h"
 #include "serd/sink.h"
 
 /**
    An interface that receives a stream of RDF data.
 */
 struct SerdSinkImpl {
-  void*         handle;
-  SerdFreeFunc  free_handle;
-  SerdEventFunc on_event;
+  SerdAllocator* allocator;
+  void*          handle;
+  SerdFreeFunc   free_handle;
+  SerdEventFunc  on_event;
 };
 
 #endif // SERD_SRC_SINK_H