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[serialize] Don't insert empty object into tree

This commit is contained in:
Behdad Esfahbod 2019-03-30 19:26:37 -07:00
parent 7fd8228326
commit d74dc3ef65
1 changed files with 4 additions and 1 deletions
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5
src/hb-serialize.hh
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@ -160,6 +160,9 @@ struct hb_serialize_context_t
memmove (tail, obj.head, len); memmove (tail, obj.head, len);
head = obj.head; head = obj.head;
if (!len)
return 0;
obj.head = tail; obj.head = tail;
obj.tail = tail + len; obj.tail = tail + len;
@ -304,7 +307,7 @@ struct hb_serialize_context_t
hb_vector_t<object_t> packed; hb_vector_t<object_t> packed;
/* Map view of packed objects. */ /* Map view of packed objects. */
hb_hashmap_t<const object_t *, objidx_t> packed_map; hb_hashmap_t<const object_t *, objidx_t, nullptr, 0> packed_map;
}; };