From 0761e7cdfd00d5347657bdf009c3035be4ebab44 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 18 May 2022 11:37:57 -0600
Subject: [PATCH] [subset-cff] Avoid resetting buffer as encoder does

---
 src/hb-subset-cff-common.hh | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/hb-subset-cff-common.hh b/src/hb-subset-cff-common.hh
index 38b2731af..fa7545b0b 100644
--- a/src/hb-subset-cff-common.hh
+++ b/src/hb-subset-cff-common.hh
@@ -40,7 +40,7 @@ struct str_encoder_t
   str_encoder_t (str_buff_t &buff_)
     : buff (buff_), error (false) {}
 
-  void reset () { buff.resize (0); }
+  void reset () { buff.reset (); }
 
   void encode_byte (unsigned char b)
   {
@@ -851,7 +851,6 @@ struct subr_subsetter_t
 
   bool encode_str (const parsed_cs_str_t &str, const unsigned int fd, str_buff_t &buff) const
   {
-    buff.reset ();
     str_encoder_t  encoder (buff);
     encoder.reset ();
     /* if a prefix (CFF1 width or CFF2 vsindex) has been removed along with hints,