From 79bd7f22ccb98ddd9383c31154c2f697115e1088 Mon Sep 17 00:00:00 2001
From: Egor Yusov <egor.yusov@gmail.com>
Date: Tue, 5 Dec 2017 21:01:12 -0800
Subject: Fixed tolower()-related warnings

---
 Common/include/StringTools.h | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'Common/include')

diff --git a/Common/include/StringTools.h b/Common/include/StringTools.h
index e1327d0a..6bf713de 100644
--- a/Common/include/StringTools.h
+++ b/Common/include/StringTools.h
@@ -26,6 +26,9 @@
 #include <string>
 #include <sstream>
 #include <locale>
+#include <algorithm>
+#include <cctype>
+
 #include "DebugUtilities.h"
 
 namespace Diligent
@@ -107,4 +110,18 @@ inline bool StrCmpSuff(const char *RefStr, const char *Str, const char *Suff)
     return strcmp(r, Suff) == 0;
 }
 
+inline void StrToLowerInPlace(std::string &str)
+{
+    std::transform(str.begin(), str.end(), str.begin(),
+        // http://en.cppreference.com/w/cpp/string/byte/tolower
+        [](unsigned char c) { return static_cast<char>(std::tolower(c)); }
+    );
+}
+
+inline std::string StrToLower(std::string str)
+{
+    StrToLowerInPlace(str);
+    return str;
+}
+
 }
-- 
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