diff options
Diffstat (limited to 'src/3rdparty/harfbuzz-ng/src/hb-ot-kern-table.hh')
| -rw-r--r-- | src/3rdparty/harfbuzz-ng/src/hb-ot-kern-table.hh | 54 |
1 files changed, 31 insertions, 23 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-kern-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-kern-table.hh index 36e5a358e6..39444d803f 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-ot-kern-table.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-kern-table.hh @@ -79,6 +79,7 @@ struct KernSubTableFormat3 { TRACE_SANITIZE (this); return_trace (c->check_struct (this) && + hb_barrier () && c->check_range (kernValueZ, kernValueCount * sizeof (FWORD) + glyphCount * 2 + @@ -86,21 +87,26 @@ struct KernSubTableFormat3 } protected: - KernSubTableHeader header; - HBUINT16 glyphCount; /* The number of glyphs in this font. */ - HBUINT8 kernValueCount; /* The number of kerning values. */ - HBUINT8 leftClassCount; /* The number of left-hand classes. */ - HBUINT8 rightClassCount;/* The number of right-hand classes. */ - HBUINT8 flags; /* Set to zero (reserved for future use). */ - UnsizedArrayOf<FWORD> kernValueZ; /* The kerning values. - * Length kernValueCount. */ + KernSubTableHeader + header; + HBUINT16 glyphCount; /* The number of glyphs in this font. */ + HBUINT8 kernValueCount; /* The number of kerning values. */ + HBUINT8 leftClassCount; /* The number of left-hand classes. */ + HBUINT8 rightClassCount;/* The number of right-hand classes. */ + HBUINT8 flags; /* Set to zero (reserved for future use). */ + UnsizedArrayOf<FWORD> + kernValueZ; /* The kerning values. + * Length kernValueCount. */ #if 0 - UnsizedArrayOf<HBUINT8>leftClass; /* The left-hand classes. - * Length glyphCount. */ - UnsizedArrayOf<HBUINT8>rightClass; /* The right-hand classes. - * Length glyphCount. */ - UnsizedArrayOf<HBUINT8>kernIndex; /* The indices into the kernValue array. - * Length leftClassCount * rightClassCount */ + UnsizedArrayOf<HBUINT8> + leftClass; /* The left-hand classes. + * Length glyphCount. */ + UnsizedArrayOf<HBUINT8> + rightClass; /* The right-hand classes. + * Length glyphCount. */ + UnsizedArrayOf<HBUINT8>kernIndex; + /* The indices into the kernValue array. + * Length leftClassCount * rightClassCount */ #endif public: DEFINE_SIZE_ARRAY (KernSubTableHeader::static_size + 6, kernValueZ); @@ -129,11 +135,11 @@ struct KernSubTable switch (subtable_type) { case 0: return_trace (c->dispatch (u.format0)); #ifndef HB_NO_AAT_SHAPE - case 1: return_trace (u.header.apple ? c->dispatch (u.format1, hb_forward<Ts> (ds)...) : c->default_return_value ()); + case 1: return_trace (u.header.apple ? c->dispatch (u.format1, std::forward<Ts> (ds)...) : c->default_return_value ()); #endif case 2: return_trace (c->dispatch (u.format2)); #ifndef HB_NO_AAT_SHAPE - case 3: return_trace (u.header.apple ? c->dispatch (u.format3, hb_forward<Ts> (ds)...) : c->default_return_value ()); + case 3: return_trace (u.header.apple ? c->dispatch (u.format3, std::forward<Ts> (ds)...) : c->default_return_value ()); #endif default: return_trace (c->default_return_value ()); } @@ -142,9 +148,10 @@ struct KernSubTable bool sanitize (hb_sanitize_context_t *c) const { TRACE_SANITIZE (this); - if (unlikely (!u.header.sanitize (c) || - u.header.length < u.header.min_size || - !c->check_range (this, u.header.length))) return_trace (false); + if (unlikely (!(u.header.sanitize (c) && + hb_barrier () && + u.header.length >= u.header.min_size && + c->check_range (this, u.header.length)))) return_trace (false); return_trace (dispatch (c)); } @@ -246,8 +253,8 @@ struct KernAATSubTableHeader HBUINT8 coverage; /* Coverage bits. */ HBUINT8 format; /* Subtable format. */ HBUINT16 tupleIndex; /* The tuple index (used for variations fonts). - * This value specifies which tuple this subtable covers. - * Note: We don't implement. */ + * This value specifies which tuple this subtable covers. + * Note: We don't implement. */ public: DEFINE_SIZE_STATIC (8); }; @@ -320,9 +327,9 @@ struct kern unsigned int subtable_type = get_type (); TRACE_DISPATCH (this, subtable_type); switch (subtable_type) { - case 0: return_trace (c->dispatch (u.ot, hb_forward<Ts> (ds)...)); + case 0: return_trace (c->dispatch (u.ot, std::forward<Ts> (ds)...)); #ifndef HB_NO_AAT_SHAPE - case 1: return_trace (c->dispatch (u.aat, hb_forward<Ts> (ds)...)); + case 1: return_trace (c->dispatch (u.aat, std::forward<Ts> (ds)...)); #endif default: return_trace (c->default_return_value ()); } @@ -332,6 +339,7 @@ struct kern { TRACE_SANITIZE (this); if (!u.version32.sanitize (c)) return_trace (false); + hb_barrier (); return_trace (dispatch (c)); } |