From 5b319b320879618d316031a60ef9836fcf70deb2 Mon Sep 17 00:00:00 2001 From: David Robillard Date: Sun, 10 Mar 2019 16:21:36 +0100 Subject: Strengthen writer statement preconditions --- src/writer.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/src/writer.c b/src/writer.c index 867b5020..0930a187 100644 --- a/src/writer.c +++ b/src/writer.c @@ -858,7 +858,9 @@ serd_writer_write_statement(SerdWriter* writer, const SerdNode* const object = serd_statement_object(statement); const SerdNode* const graph = serd_statement_graph(statement); - if (!is_resource(subject) || !is_resource(predicate) || !object) { + if (!is_resource(subject) || !is_resource(predicate) || !object || + ((flags & SERD_ANON_S) && (flags & SERD_LIST_S)) || + ((flags & SERD_ANON_O) && (flags & SERD_LIST_O))) { return SERD_ERR_BAD_ARG; } -- cgit v1.2.1