ObjFW  Diff

	return ret + 1;
}

- (size_t)writeFormat: (OFString*)fmt, ...
{
	va_list args;
	size_t ret;

	va_start(args, fmt);
	ret = [self writeFormat: fmt
		  withArguments: args];
	va_end(args);

	return ret;
}

- (size_t)writeFormat: (OFString*)fmt
	withArguments: (va_list)args
{
	size_t len;
	char *t;

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


	if ((len = vasprintf(&t, [fmt cString], args)) == -1) {
		/*
		 * This is only the most likely error to happen. Unfortunately,
		 * there is no good way to check what really happened.
		 */
		@throw [OFOutOfMemoryException newWithClass: isa];
	}


	@try {
		return [self writeNBytes: len
			      fromBuffer: t];
	} @finally {
		free(t);
	}