utils.h

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#ifndef UTILS_INCLUDED
#define UTILS_INCLUDED
 
// Copyright (c) 2018, 2023, Oracle and/or its affiliates.
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License, version 2.0,
// as published by the Free Software Foundation.
//
// This program is also distributed with certain software (including
// but not limited to OpenSSL) that is licensed under separate terms,
// as designated in a particular file or component or in included license
// documentation.  The authors of MySQL hereby grant you an additional
// permission to link the program and your derivative works with the
// separately licensed software that they have included with MySQL.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License, version 2.0, for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA.
 
#include <string>
 
#include "mysql.h"
 
/// Run a query and return one field in the result set from the first
/// row and column.
///
/// @param mysql  mysql handle
/// @param query  Query string
/// @param column Column value
/// @param str    String object to store the rvalue
///
/// @retval True if fails to get the value, true otherwise.
bool query_get_string(MYSQL *mysql, const char *query, int column,
                      std::string *str);
 
/// Use stoi function to get the integer value from a string.
///
/// @param str String which may contain an integer or an alphanumeric
///            string.
///
/// @retval Integer value corresponding to the contents of the string,
///         if conversion is successful, or -1 if integer is out of
///         range, or if the conversion fails.
int get_int_val(const char *str);
 
#endif  // UTILS_INCLUDED