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-rw-r--r--src/writer.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/writer.c b/src/writer.c
index 2b2d5ed8..5a934e41 100644
--- a/src/writer.c
+++ b/src/writer.c
@@ -906,6 +906,10 @@ serd_writer_write_statement(SerdWriter* writer,
if (flags & (SERD_ANON_S_BEGIN | SERD_ANON_O_BEGIN)) {
WriteContext* ctx =
(WriteContext*)serd_stack_push(&writer->anon_stack, sizeof(WriteContext));
+ if (!ctx) {
+ return SERD_ERR_OVERFLOW;
+ }
+
*ctx = writer->context;
WriteContext new_context = {
serd_node_copy(graph), serd_node_copy(subject), NULL};
@@ -976,7 +980,7 @@ serd_writer_new(SerdSyntax syntax,
writer->env = env;
writer->root_node = NULL;
writer->root_uri = SERD_URI_NULL;
- writer->anon_stack = serd_stack_new(4 * sizeof(WriteContext));
+ writer->anon_stack = serd_stack_new(SERD_PAGE_SIZE);
writer->context = context;
writer->list_subj = NULL;
writer->empty = true;