Fix memory leaks.

git-svn-id: http://svn.drobilla.net/sord/trunk@88 3d64ff67-21c5-427c-a301-fe4f08042e5a

3 files changed, 17 insertions, 6 deletions

diff --git a/src/sord.c b/src/sord.c
index 4a8d94c..9c193a0 100644
--- a/src/sord.c
+++ b/src/sord.c
@@ -797,7 +797,7 @@ sord_new_literal_node(SordWorld world, SordNode datatype,
                       const char*    lang, uint8_t lang_len)
 {
 	SordNode node = sord_new_node(SORD_LITERAL, str, str_len + 1);
-	node->datatype = datatype;
+	node->datatype = sord_node_copy(datatype);
 	node->lang     = sord_intern_lang(world, lang);
 	return node;
 }
@@ -945,6 +945,7 @@ sord_node_free(SordWorld world, SordNode node)
 				fprintf(stderr, "Failed to remove literal from hash.\n");
 				return;
 			}
+			sord_node_free(world, node->datatype);
 		} else {
 			if (!g_hash_table_remove(world->names, node->buf)) {
 				fprintf(stderr, "Failed to remove resource from hash.\n");
@@ -959,7 +960,9 @@ sord_node_free(SordWorld world, SordNode node)
 SordNode
 sord_node_copy(SordNode node)
 {
-	++node->refs;
+	if (node) {
+		++node->refs;
+	}
 	return node;
 }
 
diff --git a/src/sord_internal.h b/src/sord_internal.h
index 7d62e54..8f6f9e8 100644
--- a/src/sord_internal.h
+++ b/src/sord_internal.h
@@ -34,4 +34,7 @@ struct _SordNode {
 	SordNodeType type;      ///< SordNodeType
 };
 
+const char*
+sord_intern_lang(SordWorld world, const char* lang);
+
 #endif /* SORD_SORD_INTERNAL_H_ */
diff --git a/src/syntax.c b/src/syntax.c
index 5d3653e..8a31a28 100644
--- a/src/syntax.c
+++ b/src/syntax.c
@@ -67,15 +67,20 @@ static inline SordNode
 sord_node_from_serd_node(ReadState* state, const SerdNode* sn,
                          const SerdNode* datatype, const SerdNode* lang)
 {
+	SordNode datatype_node = NULL;
+	SordNode ret           = NULL;
 	switch (sn->type) {
 	case SERD_NOTHING:
 		return NULL;
 	case SERD_LITERAL:
-		return sord_new_literal(
+		datatype_node = sord_node_from_serd_node(state, datatype, NULL, NULL),
+		ret = sord_new_literal(
 			state->world,
-			sord_node_from_serd_node(state, datatype, NULL, NULL),
+			datatype_node,
 			sn->buf,
-			g_intern_string((const char*)lang->buf));
+			sord_intern_lang(state->world, (const char*)lang->buf));
+		sord_node_free(state->world, datatype_node);
+		return ret;
 	case SERD_URI: {
 		SerdURI base_uri;
 		serd_read_state_get_base_uri(state->read_state, &base_uri);
@@ -165,7 +170,7 @@ event_statement(void*           handle,
 	sord_node_free(state->world, tup[0]);
 	sord_node_free(state->world, tup[1]);
 	sord_node_free(state->world, tup[2]);
-	// FIXME: sord_node_free(state->world, tup[3]);
+	sord_node_free(state->world, tup[3]);
 
 	return true;
 }