From 74ce8e812c92d468e0a03abeb133fbf26eaaa869 Mon Sep 17 00:00:00 2001
From: Yann Collet <yann.collet.73@gmail.com>
Date: Thu, 21 Jan 2016 14:32:41 +0100
Subject: [PATCH] fixed VS 2015 'ERROR already defined', reported by Rich
 Geldreich

---
 lib/error.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/error.h b/lib/error.h
index af3c1b569..2ec64d0c4 100644
--- a/lib/error.h
+++ b/lib/error.h
@@ -64,6 +64,9 @@ extern "C" {
 ******************************************/
 #define PREFIX(name) ZSTD_error_##name
 
+#ifdef ERROR
+#  undef ERROR   /* reported already defined on VS 2015 by Rich Geldreich */
+#endif
 #define ERROR(name) (size_t)-PREFIX(name)
 
 #define ERROR_LIST(ITEM) \