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[aat] Fix ContextualSubtable sanitization

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Fixes MORX-18, MORX-19, and MORX-22.
This commit is contained in:
Behdad Esfahbod 2018-02-02 15:53:25 -05:00
parent cf943f682b
commit fe5f9b1ae3
1 changed files with 4 additions and 2 deletions
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6
src/hb-aat-layout-morx-table.hh
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@ -275,8 +275,10 @@ struct ContextualSubtable
{
const EntryData &data = entries[i].data;
num_lookups = MAX<unsigned int> (num_lookups, 1 + data.markIndex);
num_lookups = MAX<unsigned int> (num_lookups, 1 + data.currentIndex);
if (data.markIndex != 0xFFFF)
num_lookups = MAX<unsigned int> (num_lookups, 1 + data.markIndex);
if (data.currentIndex != 0xFFFF)
num_lookups = MAX<unsigned int> (num_lookups, 1 + data.currentIndex);
}
return_trace (substitutionTables.sanitize (c, this, num_lookups));