ObjFW  Diff

	if (string_ == nil)
		@throw [OFInvalidArgumentException newWithClass: isa
						       selector: _cmd];

	[self appendCString: [string_ cString]];
}

- (void)appendFormat: (OFConstantString*)format, ...
{
	va_list arguments;

	va_start(arguments, format);
	[self appendFormat: format
	     withArguments: arguments];
	va_end(arguments);
}

- (void)appendFormat: (OFConstantString*)format
       withArguments: (va_list)arguments
{
	char *t;
	int len;

	if (format == nil)
		@throw [OFInvalidArgumentException newWithClass: isa