From 1c9c1588c5d07cea181632fc95b0046b6b04758e Mon Sep 17 00:00:00 2001
From: Maxim Mamontov <faust.madf@gmail.com>
Date: Sat, 10 Jan 2015 21:34:40 +0200
Subject: [PATCH] Simplified ToLower/ToUpper functions.

---
 stglibs/common.lib/common.cpp           | 17 +++++++----------
 stglibs/common.lib/include/stg/common.h |  4 ++--
 2 files changed, 9 insertions(+), 12 deletions(-)

diff --git a/stglibs/common.lib/common.cpp b/stglibs/common.lib/common.cpp
index 2a26c5ae..d0ff074c 100644
--- a/stglibs/common.lib/common.cpp
+++ b/stglibs/common.lib/common.cpp
@@ -47,6 +47,7 @@
 
 #include <iconv.h>
 
+#include <algorithm>
 #include <cstdlib>
 #include <cstdarg>
 #include <cstdio>
@@ -856,20 +857,16 @@ std::string res(val);
 return TrimR(TrimL(res));
 }
 //---------------------------------------------------------------------------
-std::string ToLower(const std::string & value)
+std::string ToLower(std::string value)
 {
-    std::string res;
-    for (std::string::size_type pos = 0; pos < value.length(); ++pos)
-        res += tolower(value[pos]);
-    return res;
+    std::transform(value.begin(), value.end(), value.begin(), ::tolower);
+    return value;
 }
 //---------------------------------------------------------------------------
-std::string ToUpper(const std::string & value)
+std::string ToUpper(std::string value)
 {
-    std::string res;
-    for (std::string::size_type pos = 0; pos < value.length(); ++pos)
-        res += toupper(value[pos]);
-    return res;
+    std::transform(value.begin(), value.end(), value.begin(), ::toupper);
+    return value;
 }
 //---------------------------------------------------------------------------
 #ifdef WIN32
diff --git a/stglibs/common.lib/include/stg/common.h b/stglibs/common.lib/include/stg/common.h
index ec05adb1..90bd639d 100644
--- a/stglibs/common.lib/include/stg/common.h
+++ b/stglibs/common.lib/include/stg/common.h
@@ -99,8 +99,8 @@ std::string &   TrimR(std::string & val);
 std::string &   Trim(std::string & val);
 std::string     Trim(const std::string & val);
 
-std::string     ToLower(const std::string & value);
-std::string     ToUpper(const std::string & value);
+std::string     ToLower(std::string value);
+std::string     ToUpper(std::string value);
 
 template <typename C, typename F>
 inline
-- 
2.43.2