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[HB] Avoid infinite recusion in Extension sanitize()

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This commit is contained in:
Behdad Esfahbod 2009-08-04 21:35:32 -04:00
parent d60bb8ca2a
commit 5ff4e13143
2 changed files with 2 additions and 0 deletions
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1
src/hb-ot-layout-gpos-private.hh
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@ -1526,6 +1526,7 @@ inline bool ExtensionPos::sanitize (SANITIZE_ARG_DEF)
{
return Extension::sanitize (SANITIZE_ARG) &&
(&(Extension::get_subtable ()) == &Null(LookupSubTable) ||
get_type () == PosLookupSubTable::Extension ||
DECONST_CAST (PosLookupSubTable, get_subtable (), 0).sanitize (SANITIZE_ARG));
}

1
src/hb-ot-layout-gsub-private.hh
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@ -863,6 +863,7 @@ inline bool ExtensionSubst::sanitize (SANITIZE_ARG_DEF)
{
return Extension::sanitize (SANITIZE_ARG) &&
(&(Extension::get_subtable ()) == &Null(LookupSubTable) ||
get_type () == SubstLookupSubTable::Extension ||
DECONST_CAST (SubstLookupSubTable, get_subtable (), 0).sanitize (SANITIZE_ARG));
}