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[subset] don't leak memory for duplicate tables.

This commit is contained in:
Garret Rieger 2021-08-05 11:39:26 -07:00 committed by Behdad Esfahbod
parent f7a9c3ea93
commit 222b74f08f
1 changed files with 2 additions and 0 deletions
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2
src/hb-face.cc
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@ -757,11 +757,13 @@ hb_face_builder_add_table (hb_face_t *face, hb_tag_t tag, hb_blob_t *blob)
hb_face_builder_data_t *data = (hb_face_builder_data_t *) face->user_data; hb_face_builder_data_t *data = (hb_face_builder_data_t *) face->user_data;
hb_blob_t* previous = data->tables.get (tag);
if (!data->tables.set (tag, hb_blob_reference (blob))) if (!data->tables.set (tag, hb_blob_reference (blob)))
{ {
hb_blob_destroy (blob); hb_blob_destroy (blob);
return false; return false;
} }
hb_blob_destroy (previous);
return true; return true;
} }