Function I_FatalError

source/common/utility/engineerrors.cpp:111–136

extern FILE *Logfile;

[[noreturn]] void I_FatalError(const char *error, ...)
{
	static bool alreadyThrown = false;
	gameisdead = true;

	if (!alreadyThrown)		// ignore all but the first message -- killough
	{
		alreadyThrown = true;
		char errortext[MAX_ERRORTEXT];
		va_list argptr;
		va_start(argptr, error);
		vsnprintf(errortext, MAX_ERRORTEXT, error, argptr);
		va_end(argptr);
		I_DebugPrint(errortext);

		// Record error to log (if logging)
		if (Logfile)
		{
			fprintf(Logfile, "\n**** DIED WITH FATAL ERROR:\n%s\n", errortext);
			fflush(Logfile);
		}

		throw CFatalError(errortext);
	}
	std::terminate(); // recursive I_FatalErrors must immediately terminate.
}