Check magicNumber in head table during sanitize

d0adc809 · Behdad Esfahbod · 3a48c776 · d0adc809
隐藏空白更改
内联并排

Showing with 3 addition and 1 deletion

src/hb-ot-head-table.hh src/hb-ot-head-table.hh +3 -1

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--- a/src/hb-ot-head-table.hh
+++ b/src/hb-ot-head-table.hh
@@ -55,7 +55,9 @@ struct head
  inline bool sanitize (hb_sanitize_context_t *c) const
  {
    TRACE_SANITIZE (this);
-    return_trace (c->check_struct (this) && likely (version.major == 1));
+    return_trace (c->check_struct (this) &&
+		  version.major == 1 &&
+		  magicNumber == 0x5F0F3CF5u);
  }

  protected: