From a28ec920884c63fbef72cf5af75cd446744009ca Mon Sep 17 00:00:00 2001
From: Jacques Lucke <jacques@blender.org>
Date: Wed, 22 Sep 2021 19:45:18 +0200
Subject: BLI: avoid warning when copying empty StringRef

---
 source/blender/blenlib/BLI_string_ref.hh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'source/blender/blenlib')

diff --git a/source/blender/blenlib/BLI_string_ref.hh b/source/blender/blenlib/BLI_string_ref.hh
index 257a0ba143e..dcf66bbf5ad 100644
--- a/source/blender/blenlib/BLI_string_ref.hh
+++ b/source/blender/blenlib/BLI_string_ref.hh
@@ -134,7 +134,9 @@ class StringRefBase {
    */
   void unsafe_copy(char *dst) const
   {
-    memcpy(dst, data_, static_cast<size_t>(size_));
+    if (size_ > 0) {
+      memcpy(dst, data_, static_cast<size_t>(size_));
+    }
     dst[size_] = '\0';
   }
 
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