Fix reader memory stack use and verify read_object fully clears its stack.

Make abbreviation in writer not assume equivalent nodes have equivalent addresses (abbreviate more than on input if triples are sorted correctly, e.g. abbrevate ntriples)


git-svn-id: http://svn.drobilla.net/serd/trunk@149 490d8e77-9747-427b-9fa3-0b8f29cee8a0

1 files changed, 17 insertions, 3 deletions

diff --git a/src/node.c b/src/node.c
index 5901f159..173c5358 100644
--- a/src/node.c
+++ b/src/node.c
@@ -34,12 +34,26 @@ SerdNode
 serd_node_copy(const SerdNode* node)
 {
 	SerdNode copy = *node;
-	uint8_t* buf  = malloc(copy.n_bytes);
-	memcpy(buf, node->buf, copy.n_bytes);
-	copy.buf = buf;
+	if (node->buf) {
+		uint8_t* buf  = malloc(copy.n_bytes);
+		memcpy(buf, node->buf, copy.n_bytes);
+		copy.buf = buf;
+	}
 	return copy;
 }
 
+SERD_API
+bool
+serd_node_equals(const SerdNode* a, const SerdNode* b)
+{
+	return (a == b)
+		|| (a->type == b->type
+		    && a->n_bytes == b->n_bytes
+		    && a->n_chars == b->n_chars
+		    && ((a->buf == b->buf) || !strcmp((const char*)a->buf,
+		                                      (const char*)b->buf)));
+}
+
 static size_t
 serd_uri_string_length(const SerdURI* uri)
 {