Initial community commit

Src/nu/trace.cpp

@@ -0,0 +1,86 @@
+#include "./trace.h"
+#include <strsafe.h>
+
+#ifdef _DEBUG
+
+#ifdef __cplusplus
+extern "C" {
+#endif /*__cplusplus*/
+
+void DebugPrintfW(LPCWSTR format, ...)
+{
+	va_list argList;
+	wchar_t *pstr(NULL);
+	void *buffer;
+	size_t allocated(0), remaining(0);
+	int attempt(0);
+
+	va_start(argList, format);
+	
+	do
+	{	
+		attempt++;
+		if(attempt)
+		{
+			allocated += (512 * attempt);
+			buffer = realloc(pstr, allocated * sizeof(wchar_t));
+			if (NULL == buffer)
+				break;
+
+			pstr = (wchar_t*)buffer;
+		}
+		
+	}
+	while (STRSAFE_E_INSUFFICIENT_BUFFER == StringCchVPrintfExW(pstr, allocated, NULL, &remaining, 
+																STRSAFE_NULL_ON_FAILURE, format, argList));
+	
+	OutputDebugStringW(pstr);
+
+	if (NULL != pstr) 
+		free(pstr);
+
+	va_end(argList);
+	
+}
+
+void DebugPrintfA(LPCSTR format, ...)
+{
+	va_list argList;
+	char *pstr(NULL);
+	void *buffer;
+	size_t allocated(0), remaining(0);
+	int attempt(0);
+
+	va_start(argList, format);
+	
+	do
+	{	
+		attempt++;
+		if(attempt)
+		{
+			allocated += (512 * attempt);
+			buffer = realloc(pstr, allocated * sizeof(char));
+			if (NULL == buffer)
+				break;
+
+			pstr = (char*)buffer;
+		}
+		
+	}
+	while (STRSAFE_E_INSUFFICIENT_BUFFER == StringCchVPrintfExA(pstr, allocated, NULL, &remaining, 
+																STRSAFE_NULL_ON_FAILURE, format, argList));
+	
+	OutputDebugStringA(pstr);
+	
+	if (NULL != pstr) 
+		free(pstr);
+	
+	va_end(argList);	
+}
+
+
+#ifdef __cplusplus
+}
+#endif /*__cplusplus*/
+
+#endif /*_DEBUG*/