From 0e8a72aae08b64beb11d97f020c14126178d7545 Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Mon, 14 Oct 2019 19:18:17 +0200
Subject: Add function to SerdSink for freeing opaque handle

This can be used to associate dynamically allocated data with a sink and have
it managed along with the sink's lifetime.
---
 src/sink.c | 14 +++++++++++---
 src/sink.h |  1 +
 2 files changed, 12 insertions(+), 3 deletions(-)

(limited to 'src')

diff --git a/src/sink.c b/src/sink.c
index edaf271f..498935a0 100644
--- a/src/sink.c
+++ b/src/sink.c
@@ -23,18 +23,26 @@
 #include <stdlib.h>
 
 SerdSink*
-serd_sink_new(void* handle)
+serd_sink_new(void* handle, SerdFreeFunc free_handle)
 {
 	SerdSink* sink = (SerdSink*)calloc(1, sizeof(SerdSink));
 
-	sink->handle = handle;
+	sink->handle      = handle;
+	sink->free_handle = free_handle;
+
 	return sink;
 }
 
 void
 serd_sink_free(SerdSink* sink)
 {
-	free(sink);
+	if (sink) {
+		if (sink->free_handle) {
+			sink->free_handle(sink->handle);
+		}
+
+		free(sink);
+	}
 }
 
 SerdStatus
diff --git a/src/sink.h b/src/sink.h
index 57c52021..d9b5c59c 100644
--- a/src/sink.h
+++ b/src/sink.h
@@ -24,6 +24,7 @@
 */
 struct SerdSinkImpl {
 	void*             handle;
+	SerdFreeFunc      free_handle;
 	SerdBaseFunc      base;
 	SerdPrefixFunc    prefix;
 	SerdStatementFunc statement;
-- 
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