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[face] Return nil face if blob is inert

This commit is contained in:
Behdad Esfahbod 2011-05-02 19:35:53 -04:00
parent e87867cb88
commit 1ab1d3e38c
1 changed files with 3 additions and 0 deletions
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3
src/hb-font.cc
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@ -379,6 +379,9 @@ hb_face_t *
hb_face_create_for_data (hb_blob_t *blob, hb_face_create_for_data (hb_blob_t *blob,
unsigned int index) unsigned int index)
{ {
if (unlikely (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); hb_face_for_data_closure_t *closure = _hb_face_for_data_closure_create (Sanitizer<OpenTypeFontFile>::sanitize (hb_blob_reference (blob)), index);
if (unlikely (!closure)) if (unlikely (!closure))