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author | Robin Watts <robin.watts@artifex.com> | 2011-12-22 10:38:48 +0000 |
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committer | Robin Watts <robin@ghostscript.com> | 2011-12-22 10:41:57 +0000 |
commit | 3145e49a9ce16d45bf4d6bb01c64646f41d70e8f (patch) | |
tree | 7bb42208bc4c841ea11b2f9c55b5140fec304a26 /pdf/pdf_annot.c | |
parent | fef4974f61698e929eb9be2a417fd3743bbd5d35 (diff) | |
download | mupdf-3145e49a9ce16d45bf4d6bb01c64646f41d70e8f.tar.xz |
Fix Bug 692756: SEGVs in pdf_annot and pdf_outline
A couple of bits of the code SEGV in the event that values are NULL.
Fixed here by converting a do...while to a while, and adding an extra
guard in the if.
Thanks to Gaetan Bisson for the report, and patch.
Diffstat (limited to 'pdf/pdf_annot.c')
-rw-r--r-- | pdf/pdf_annot.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/pdf/pdf_annot.c b/pdf/pdf_annot.c index 84b403fe..79bdb4ff 100644 --- a/pdf/pdf_annot.c +++ b/pdf/pdf_annot.c @@ -6,7 +6,7 @@ pdf_free_link(fz_context *ctx, pdf_link *link) { pdf_link *next; - do + while (link) { next = link->next; if (link->dest) @@ -14,7 +14,6 @@ pdf_free_link(fz_context *ctx, pdf_link *link) fz_free(ctx, link); link = next; } - while(link); } static fz_obj * |