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-rw-r--r--pdf/pdf_store.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/pdf/pdf_store.c b/pdf/pdf_store.c
index faa81b80..38abe10b 100644
--- a/pdf/pdf_store.c
+++ b/pdf/pdf_store.c
@@ -55,7 +55,9 @@ static fz_store_type pdf_obj_store_type =
void
pdf_store_item(fz_context *ctx, pdf_obj *key, void *val, unsigned int itemsize)
{
- fz_store_item(ctx, key, val, itemsize, &pdf_obj_store_type);
+ void *existing;
+ existing = fz_store_item(ctx, key, val, itemsize, &pdf_obj_store_type);
+ assert(existing == NULL);
}
void *