From f8c9106d67d083246f384cc4b0c43fa572a08fd2 Mon Sep 17 00:00:00 2001
From: Victor Zverovich <victor.zverovich@gmail.com>
Date: Mon, 17 Dec 2012 15:41:00 -0800
Subject: [PATCH] Prevent potential warnings about macro redefinitions.

---
 format.cc      | 2 ++
 format_test.cc | 1 +
 2 files changed, 3 insertions(+)

diff --git a/format.cc b/format.cc
index 16734aef..bb486da6 100644
--- a/format.cc
+++ b/format.cc
@@ -26,6 +26,7 @@
  */
 
 // Disable useless MSVC warnings.
+#undef _CRT_SECURE_NO_WARNINGS
 #define _CRT_SECURE_NO_WARNINGS
 
 #include "format.h"
@@ -42,6 +43,7 @@ using std::size_t;
 using fmt::Formatter;
 
 #if _MSC_VER
+# undef snprintf
 # define snprintf _snprintf
 #endif
 
diff --git a/format_test.cc b/format_test.cc
index 2dbf00cb..1cdeb619 100644
--- a/format_test.cc
+++ b/format_test.cc
@@ -26,6 +26,7 @@
  */
 
 // Disable useless MSVC warnings.
+#undef _CRT_SECURE_NO_WARNINGS
 #define _CRT_SECURE_NO_WARNINGS
 
 #include <cctype>