C++ (Cpp) DBC::dup示例

示例#1

文件： cxx_dbc.cpp 项目： disenone/wpython-2.7.11

int Dbc::dup(Dbc** cursorp, u_int32_t _flags)
{
	int ret;
	DBC *dbc = this;
	DBC *new_cursor = 0;

	ret = dbc->dup(dbc, &new_cursor, _flags);

	if (DB_RETOK_STD(ret))
		// The following cast implies that Dbc can be no larger than DBC
		*cursorp = (Dbc*)new_cursor;
	else
		DB_ERROR(DbEnv::get_DbEnv(dbc->dbenv),
			"Dbc::dup", ret, ON_ERROR_UNKNOWN);

	return (ret);
}