Tolerate calling lilv_node_as_uri or lilv_node_as_blank on NULL.

git-svn-id: http://svn.drobilla.net/lad/trunk/lilv@5375 a436a847-0d15-0410-975c-d299462d15a1

2 files changed, 6 insertions, 5 deletions

diff --git a/NEWS b/NEWS
index 1ba6f28..ccecf36 100644
--- a/NEWS
+++ b/NEWS
@@ -5,8 +5,9 @@ lilv (0.18.1) unstable;
   * Fix minor memory leak in test suite
   * Call lv2_lib_descriptor separately for different bundle paths
     (fix loading several dynamic plugins like Ingen at once)
+  * Tolerate calling lilv_node_as_uri or lilv_node_as_blank on NULL
 
- -- David Robillard <d@drobilla.net>  Fri, 17 Jan 2014 20:34:10 -0500
+ -- David Robillard <d@drobilla.net>  Sat, 26 Apr 2014 20:29:27 -0400
 
 lilv (0.18.0) stable;
 
diff --git a/src/node.c b/src/node.c
index 73dde29..e8756ac 100644
--- a/src/node.c
+++ b/src/node.c
@@ -296,8 +296,8 @@ LILV_API
 const char*
 lilv_node_as_uri(const LilvNode* value)
 {
-	assert(lilv_node_is_uri(value));
-	return (const char*)sord_node_get_string(value->node);
+	assert(!value || lilv_node_is_uri(value));
+	return value ? (const char*)sord_node_get_string(value->node) : NULL;
 }
 
 const SordNode*
@@ -318,8 +318,8 @@ LILV_API
 const char*
 lilv_node_as_blank(const LilvNode* value)
 {
-	assert(lilv_node_is_blank(value));
-	return (const char*)sord_node_get_string(value->node);
+	assert(!value || lilv_node_is_blank(value));
+	return value ? (const char*)sord_node_get_string(value->node) : NULL;
 }
 
 LILV_API