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[sanitize] Fix sanitizing sublookup array

This commit is contained in:
Behdad Esfahbod 2018-12-12 09:56:47 -05:00
parent c78e4784fb
commit 602fbfe3c9
1 changed files with 11 additions and 1 deletions
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12
src/hb-ot-layout-common.hh
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@ -760,6 +760,14 @@ struct Lookup
return_trace (true);
}
/* Older compilers need this to NOT be locally defined in a function. */
template <typename TSubTable>
struct SubTableSanitizeWrapper : TSubTable
{
inline bool sanitize (hb_sanitize_context_t *c, unsigned int lookup_type) const
{ return this->dispatch (c, lookup_type); }
};
template <typename TSubTable>
inline bool sanitize (hb_sanitize_context_t *c) const
{
@ -771,7 +779,9 @@ struct Lookup
if (!markFilteringSet.sanitize (c)) return_trace (false);
}
if (unlikely (!dispatch<TSubTable> (c))) return_trace (false);
if (unlikely (!CastR<OffsetArrayOf<SubTableSanitizeWrapper<TSubTable> > > (subTable)
.sanitize (c, this, get_type ())))
return_trace (false);
if (unlikely (get_type () == TSubTable::Extension))
{