2 files changed, 8 insertions, 7 deletions
diff --git a/src/utils/string.cpp b/src/utils/string.cpp
index 04d5f031..0785429d 100644
--- a/src/utils/string.cpp
+++ b/src/utils/string.cpp
@@ -18,14 +18,14 @@
  *  59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  *
  */
-#include <string>
-#include <cctype>
+
 #include "utils/string.hpp"
 
+#include <cctype>
+#include <algorithm>
+
 std::string utils::toupper(std::string s)
 {
-    for (int j=0; j<s.length(); ++j)
-        s[j]=std::toupper(s[j]);
+    std::transform(s.begin(), s.end(), s.begin(), (int(*)(int)) toupper);
     return s;
-} 
-
+}
diff --git a/src/utils/string.hpp b/src/utils/string.hpp
index 6561b9e4..ea70e72a 100644
--- a/src/utils/string.hpp
+++ b/src/utils/string.hpp
@@ -18,6 +18,7 @@
  *  59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  *
  */
+
 #ifndef UTILS_STRING_HPP
 #define UTILS_STRING_HPP
 
@@ -28,4 +29,4 @@ namespace utils
     std::string toupper(std::string);
 }
 
-#endif
+#endif // UTILS_STRING_HPP