Let Exceptions now use stringstreams

include/xerus/misc/exceptions.h

@@ -37,7 +37,7 @@ namespace xerus {
         class generic_error : public std::exception {
         public:
 			///@brief String containing all relevant information concerning this error.
-            std::string error_info;
+            std::stringstream error_info;
             
 			/// @brief: Normal constructor without preset error_info.
             generic_error();
@@ -52,7 +52,7 @@ namespace xerus {
 		template<typename error_t, class T>
 		typename std::enable_if<std::is_base_of<generic_error, error_t>::value, error_t&>::type
 		operator<< (error_t &o, const T &_info) noexcept {
-			o.error_info += to_string(_info);
+			o.error_info << to_string(_info);
 			return o;
 		}
 		
@@ -60,7 +60,7 @@ namespace xerus {
 		template<typename error_t, class T>
 		typename std::enable_if<std::is_base_of<generic_error, error_t>::value, error_t&>::type
 		operator<< (error_t &&o, const T &_info) noexcept {
-			o.error_info += to_string(_info);
+			o.error_info << to_string(_info);
 			return o;
 		}
     }

src/xerus/misc/exceptions.cpp

@@ -28,11 +28,12 @@ namespace xerus {
 	namespace misc {
 		generic_error::generic_error() {}
 			
-		generic_error::generic_error(const generic_error &_other) noexcept
-			: error_info(_other.error_info) { }
+		generic_error::generic_error(const generic_error &_other) noexcept {
+			error_info << _other.error_info.rdbuf();
+		}
 		
 		const char* generic_error::what() const noexcept {
-			return error_info.c_str();
+			return error_info.str().c_str();
 		}
 		
 	} // namespace misc

src/xerus/misc/fileUtilities.cpp

@@ -39,7 +39,7 @@
 #pragma GCC diagnostic pop
 
 namespace xerus { namespace misc {
-		
+	
 	void create_directories_for_file(const std::string& _path) {
 		if(_path.find('/') != std::string::npos) {
 			std::string folder = _path.substr(0, _path.find_last_of('/'));