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-rw-r--r--src/3rdparty/harfbuzz-ng/src/graph/coverage-graph.hh13
1 files changed, 11 insertions, 2 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/graph/coverage-graph.hh b/src/3rdparty/harfbuzz-ng/src/graph/coverage-graph.hh
index 49d0936315..61ca063e34 100644
--- a/src/3rdparty/harfbuzz-ng/src/graph/coverage-graph.hh
+++ b/src/3rdparty/harfbuzz-ng/src/graph/coverage-graph.hh
@@ -39,6 +39,7 @@ struct CoverageFormat1 : public OT::Layout::Common::CoverageFormat1_3<SmallTypes
int64_t vertex_len = vertex.obj.tail - vertex.obj.head;
constexpr unsigned min_size = OT::Layout::Common::CoverageFormat1_3<SmallTypes>::min_size;
if (vertex_len < min_size) return false;
+ hb_barrier ();
return vertex_len >= min_size + glyphArray.get_size () - glyphArray.len.get_size ();
}
};
@@ -50,6 +51,7 @@ struct CoverageFormat2 : public OT::Layout::Common::CoverageFormat2_4<SmallTypes
int64_t vertex_len = vertex.obj.tail - vertex.obj.head;
constexpr unsigned min_size = OT::Layout::Common::CoverageFormat2_4<SmallTypes>::min_size;
if (vertex_len < min_size) return false;
+ hb_barrier ();
return vertex_len >= min_size + rangeRecord.get_size () - rangeRecord.len.get_size ();
}
};
@@ -96,7 +98,7 @@ struct Coverage : public OT::Layout::Common::Coverage
coverage_link->width = SmallTypes::size;
coverage_link->objidx = coverage_prime_id;
coverage_link->position = link_position;
- coverage_prime_vertex.parents.push (parent_id);
+ coverage_prime_vertex.add_parent (parent_id);
return (Coverage*) coverage_prime_vertex.obj.head;
}
@@ -118,7 +120,13 @@ struct Coverage : public OT::Layout::Common::Coverage
}
hb_bytes_t coverage_copy = serializer.copy_bytes ();
- c.add_buffer ((char *) coverage_copy.arrayZ); // Give ownership to the context, it will cleanup the buffer.
+ if (!coverage_copy.arrayZ) return false;
+ // Give ownership to the context, it will cleanup the buffer.
+ if (!c.add_buffer ((char *) coverage_copy.arrayZ))
+ {
+ hb_free ((char *) coverage_copy.arrayZ);
+ return false;
+ }
auto& obj = c.graph.vertices_[dest_obj].obj;
obj.head = (char *) coverage_copy.arrayZ;
@@ -132,6 +140,7 @@ struct Coverage : public OT::Layout::Common::Coverage
{
int64_t vertex_len = vertex.obj.tail - vertex.obj.head;
if (vertex_len < OT::Layout::Common::Coverage::min_size) return false;
+ hb_barrier ();
switch (u.format)
{
case 1: return ((CoverageFormat1*)this)->sanitize (vertex);