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[subset] Fail subset if a table fails to sanitize.

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This commit is contained in:
Garret Rieger 2018-02-22 11:57:35 -08:00
parent 15fc45bfed
commit ec302ad5bd
1 changed files with 11 additions and 8 deletions
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7
src/hb-subset.cc
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@ -84,12 +84,15 @@ static bool
_subset (hb_subset_plan_t *plan) _subset (hb_subset_plan_t *plan)
{ {
OT::Sanitizer<TableType> sanitizer; OT::Sanitizer<TableType> sanitizer;
hb_blob_t *source_blob = sanitizer.sanitize (plan->source->reference_table (TableType::tableTag)); hb_blob_t *source_blob = sanitizer.sanitize (plan->source->reference_table (TableType::tableTag));
const TableType *table = OT::Sanitizer<TableType>::lock_instance (source_blob); const TableType *table = OT::Sanitizer<TableType>::lock_instance (source_blob);
hb_bool_t result = table->subset(plan);
hb_bool_t result = false;
if (table != &OT::Null(TableType))
result = table->subset(plan);
hb_blob_destroy (source_blob); hb_blob_destroy (source_blob);
hb_tag_t tag = TableType::tableTag; hb_tag_t tag = TableType::tableTag;
DEBUG_MSG(SUBSET, nullptr, "OT::%c%c%c%c::subset %s", HB_UNTAG(tag), result ? "success" : "FAILED!"); DEBUG_MSG(SUBSET, nullptr, "OT::%c%c%c%c::subset %s", HB_UNTAG(tag), result ? "success" : "FAILED!");
return result; return result;