add XY struct for 2d points and offsets

1 files changed, 5 insertions, 9 deletions

diff --git a/Exception.cpp b/Exception.cpp
index d9765da..423f4e9 100644
--- a/Exception.cpp
+++ b/Exception.cpp
@@ -4,25 +4,21 @@
 
 #include "Exception.h"
 
-Exception::~Exception() {
-	if (error != NULL)
-		free(error);
-}
+using namespace std;
 
 const char * Exception::what() {
-	return error;
+	return error.get();
 }
 
 void Exception::va_format(va_list args, const char * fmt) {
 	va_list args_copy;
 	va_copy(args_copy, args);
-
 	size_t sz = vsnprintf(NULL, 0, fmt, args_copy) + 1;
-	if (error != NULL) free(error);
-	error = (char *) malloc(sz);
 	va_end(args_copy);
 
-	vsnprintf(error, sz, fmt, args);
+	this->error = unique_ptr<char>(static_cast<char *>(malloc(sz)));
+
+	vsnprintf(this->error.get(), sz, fmt, args);
 }
 
 Exception::Exception(const char * fmt, ...) {