Add source code for ctrtool

ctrtool/deps/libtoolchain/src/PlatformErrorHandlingUtil.cpp

@@ -0,0 +1,41 @@
+#include <tc/PlatformErrorHandlingUtil.h>
+#include <algorithm>
+
+#ifdef _WIN32
+std::string tc::PlatformErrorHandlingUtil::GetLastErrorString(DWORD error)
+{
+	if (error)
+	{
+		LPVOID lpMsgBuf;
+		DWORD bufLen = FormatMessage(
+			FORMAT_MESSAGE_ALLOCATE_BUFFER | 
+			FORMAT_MESSAGE_FROM_SYSTEM |
+			FORMAT_MESSAGE_IGNORE_INSERTS,
+			NULL,
+			error,
+			MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
+			(LPTSTR) &lpMsgBuf,
+			0, NULL );
+			
+		if (bufLen)
+		{
+			LPCSTR lpMsgStr = (LPCSTR)lpMsgBuf;
+			std::string result(lpMsgStr, lpMsgStr+bufLen);
+			
+			LocalFree(lpMsgBuf);
+
+			// remove CR+LF from string
+			result.erase(std::remove(result.begin(), result.end(), '\n'), result.end());
+			result.erase(std::remove(result.begin(), result.end(), '\r'), result.end());
+
+			return result;
+		}
+	}
+	return std::string();
+}
+#else
+std::string tc::PlatformErrorHandlingUtil::GetGnuErrorNumString(int errnum)
+{
+	return std::string(strerror(errnum));
+}
+#endif