From b46c7faa9c77e288d16869b9ac609524e0f89468 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 13 May 2022 14:02:54 -0600
Subject: [PATCH] [cff] Check buf_len, not buf

Ouch!
---
 src/hb-ot-cff1-table.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-ot-cff1-table.hh b/src/hb-ot-cff1-table.hh
index 012aa1374..2f2a27888 100644
--- a/src/hb-ot-cff1-table.hh
+++ b/src/hb-ot-cff1-table.hh
@@ -1306,7 +1306,7 @@ struct cff1
     bool get_glyph_name (hb_codepoint_t glyph,
 			 char *buf, unsigned int buf_len) const
     {
-      if (!buf) return true;
+      if (!buf_len) return true;
       if (unlikely (!is_valid ())) return false;
       if (is_CID()) return false;
       hb_codepoint_t sid = glyph_to_sid (glyph);