[ft] Disallow getting the entire font data with tag=0

This commit is contained in:
Behdad Esfahbod 2010-04-29 14:15:32 -04:00
parent 33d13fdda9
commit 2cd1ea4411
1 changed files with 3 additions and 0 deletions

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@ -152,6 +152,9 @@ _get_table (hb_tag_t tag, void *user_data)
FT_ULong length = 0;
FT_Error error;
if (HB_UNLIKELY (tag == HB_TAG_NONE))
return hb_blob_create_empty ();
error = FT_Load_Sfnt_Table (ft_face, tag, 0, NULL, &length);
if (error)
return hb_blob_create_empty ();