diff options
Diffstat (limited to 'src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/PairSet.hh')
| -rw-r--r-- | src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/PairSet.hh | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/PairSet.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/PairSet.hh index 147b8e00ea..5560fab174 100644 --- a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/PairSet.hh +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/PairSet.hh @@ -9,7 +9,7 @@ namespace GPOS_impl { template <typename Types> -struct PairSet +struct PairSet : ValueBase { template <typename Types2> friend struct PairPosFormat1_3; @@ -45,15 +45,18 @@ struct PairSet bool sanitize (hb_sanitize_context_t *c, const sanitize_closure_t *closure) const { TRACE_SANITIZE (this); - if (!(c->check_struct (this) - && c->check_range (&firstPairValueRecord, + if (!(c->check_struct (this) && + hb_barrier () && + c->check_range (&firstPairValueRecord, len, closure->stride))) return_trace (false); + hb_barrier (); unsigned int count = len; const PairValueRecord *record = &firstPairValueRecord; - return_trace (closure->valueFormats[0].sanitize_values_stride_unsafe (c, this, &record->values[0], count, closure->stride) && - closure->valueFormats[1].sanitize_values_stride_unsafe (c, this, &record->values[closure->len1], count, closure->stride)); + return_trace (c->lazy_some_gpos || + (closure->valueFormats[0].sanitize_values_stride_unsafe (c, this, &record->values[0], count, closure->stride) && + closure->valueFormats[1].sanitize_values_stride_unsafe (c, this, &record->values[closure->len1], count, closure->stride))); } bool intersects (const hb_set_t *glyphs, @@ -120,8 +123,8 @@ struct PairSet c->buffer->idx, pos); } - bool applied_first = valueFormats[0].apply_value (c, this, &record->values[0], buffer->cur_pos()); - bool applied_second = valueFormats[1].apply_value (c, this, &record->values[len1], buffer->pos[pos]); + bool applied_first = len1 && valueFormats[0].apply_value (c, this, &record->values[0], buffer->cur_pos()); + bool applied_second = len2 && valueFormats[1].apply_value (c, this, &record->values[len1], buffer->pos[pos]); if (applied_first || applied_second) if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ()) |