From 7743aee281fc4cef959f495caa55374aa58ab8af Mon Sep 17 00:00:00 2001
From: giongto35 <giongto35@yahoo.com>
Date: Mon, 9 Sep 2019 11:11:28 +0800
Subject: [PATCH] Fix bug causing unserialize failed

---
 libretro/nanoarch/nanoarch.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libretro/nanoarch/nanoarch.go b/libretro/nanoarch/nanoarch.go
index cf6fec90..d03095d1 100644
--- a/libretro/nanoarch/nanoarch.go
+++ b/libretro/nanoarch/nanoarch.go
@@ -470,6 +470,9 @@ func serialize(size uint) ([]byte, error) {
 
 // unserialize unserializes internal state from a byte slice.
 func unserialize(bytes []byte, size uint) error {
+	if len(bytes) == 0 {
+		return nil
+	}
 	ok := bool(C.bridge_retro_unserialize(retroUnserialize, unsafe.Pointer(&bytes[0]), C.size_t(size)))
 	if !ok {
 		return errors.New("retro_unserialize failed")