diff options
Diffstat (limited to 'source/pdf/pdf-object.c')
| -rw-r--r-- | source/pdf/pdf-object.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/source/pdf/pdf-object.c b/source/pdf/pdf-object.c index 176b0933..5d990210 100644 --- a/source/pdf/pdf-object.c +++ b/source/pdf/pdf-object.c @@ -625,7 +625,7 @@ pdf_array_get(fz_context *ctx, pdf_obj *obj, int i) static void prepare_object_for_alteration(fz_context *ctx, pdf_obj *obj, pdf_obj *val) { - pdf_document *doc; + pdf_document *doc, *val_doc; int parent; /* @@ -648,6 +648,14 @@ static void prepare_object_for_alteration(fz_context *ctx, pdf_obj *obj, pdf_obj default: return; } + + if (val) + { + val_doc = pdf_get_bound_document(ctx, val); + if (doc && val_doc && val_doc != doc) + fz_throw(ctx, FZ_ERROR_GENERIC, "container and item belong to different documents"); + } + /* parent_num = 0 while an object is being parsed from the file. No further action is necessary. |