From 821d9e9034c57c5c593741284b134c76cc3c7c0f Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Fri, 26 Jul 2019 00:08:58 +0430
Subject: [PATCH] Use .sub_array for DataMap tags iteration

---
 src/hb-ot-meta-table.hh | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/src/hb-ot-meta-table.hh b/src/hb-ot-meta-table.hh
index 7d60c7662..a7bd7bffc 100644
--- a/src/hb-ot-meta-table.hh
+++ b/src/hb-ot-meta-table.hh
@@ -82,13 +82,11 @@ struct meta
 			      unsigned int     *count,
 			      hb_ot_metadata_t *entries) const
     {
-      unsigned int entries_count = table->dataMaps.len;
       if (count && *count)
       {
-	unsigned int len = hb_min (entries_count - start_offset, *count);
-	for (unsigned int i = 0; i < len; i++)
-	  entries[i] = (hb_ot_metadata_t) table->dataMaps[i + start_offset].get_tag ();
-	*count = len;
+	hb_array_t<const DataMap> array = table->dataMaps.sub_array (start_offset, count);
+	for (unsigned int i = 0; i < *count; i++)
+	  entries[i] = (hb_ot_metadata_t) array[i].get_tag ();
       }
       return table->dataMaps.len;
     }