summaryrefslogtreecommitdiff
path: root/source/pdf/pdf-outline.c
diff options
context:
space:
mode:
authorTor Andersson <tor.andersson@artifex.com>2016-11-18 13:02:01 +0100
committerTor Andersson <tor.andersson@artifex.com>2016-11-21 11:11:46 +0100
commitbff572a7365209f36a16951296384974c80ad3d5 (patch)
tree7d63479831c8edc24bc5933a1ef61c376a8dd6b2 /source/pdf/pdf-outline.c
parentac6ebbe38e6edb6074b1b73707770a9a4e9979b8 (diff)
downloadmupdf-bff572a7365209f36a16951296384974c80ad3d5.tar.xz
Harden viewers against failures when loading outlines.
Ignore invalid page references in outlines. This was shown by a file that had [null 0 0 1] as a link dest. Attempting to parse that threw an error, which caused the whole outline load to fail.
Diffstat (limited to 'source/pdf/pdf-outline.c')
-rw-r--r--source/pdf/pdf-outline.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/source/pdf/pdf-outline.c b/source/pdf/pdf-outline.c
index 7db65153..c31a1954 100644
--- a/source/pdf/pdf-outline.c
+++ b/source/pdf/pdf-outline.c
@@ -33,7 +33,10 @@ pdf_load_outline_imp(fz_context *ctx, pdf_document *doc, pdf_obj *dict)
else
node->uri = NULL;
- node->page = pdf_resolve_link(ctx, doc, node->uri, NULL, NULL);
+ if (node->uri)
+ node->page = pdf_resolve_link(ctx, doc, node->uri, NULL, NULL);
+ else
+ node->page = -1;
obj = pdf_dict_get(ctx, dict, PDF_NAME_First);
if (obj)