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Protect NULL in a couple places

This commit is contained in:
Behdad Esfahbod 2011-05-02 20:18:58 -04:00
parent 5a5030366e
commit cec6611c5c
1 changed files with 3 additions and 3 deletions
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6
src/hb-font.cc
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@ -312,7 +312,7 @@ hb_face_create_for_tables (hb_get_table_func_t get_table,
{
hb_face_t *face;
if (!(face = hb_object_create<hb_face_t> ())) {
if (!get_table || !(face = hb_object_create<hb_face_t> ())) {
if (destroy)
destroy (user_data);
return &_hb_face_nil;
@ -379,7 +379,7 @@ hb_face_t *
hb_face_create_for_data (hb_blob_t *blob,
unsigned int index)
{
if (unlikely (hb_object_is_inert (blob)))
if (unlikely (!blob || hb_object_is_inert (blob)))
return &_hb_face_nil;
hb_face_for_data_closure_t *closure = _hb_face_for_data_closure_create (Sanitizer<OpenTypeFontFile>::sanitize (hb_blob_reference (blob)), index);
@ -434,7 +434,7 @@ hb_face_get_user_data (hb_face_t *face,
hb_blob_t *
hb_face_reference_table (hb_face_t *face,
hb_tag_t tag)
hb_tag_t tag)
{
hb_blob_t *blob;