exiddis/mysql-client/client-lib/eid_errno.h

 /*
 *  Copyright 2009 DreamLab Onet.pl Sp. z o.o.
  Licensed  under  the  Apache  License,  Version  2.0  (the  "License");
 you  may  not  use  this  file  except  in  compliance with the License.
 You may obtain a copy of the License at

      http://www.apache.org/licenses/LICENSE-2.0

 Unless  required  by applicable  law or  agreed to in writing,  software
 distributed  under the  License is  distributed  on  an " AS IS"  BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See  the License  for the specific  language  governing  permissions and
 limitations under the License.

      Authors:  Kamil Kraszewski  <kraszewski(dot)kamil(at)gmail(dot)com>
                Piotr Zaborski  <piotr(dot)zaborski(at)uj(dot)edu(dot)pl>
 *
 */

#ifndef __EID_ERRNO__
#define __EID_ERRNO__

namespace eid {
    const int E_EXTERNAL = 10;
    const int E_CONNECTION = 11;
    const int E_UNEXTYPE = 20;
    const int E_CAST = 30;
    const int E_NOMEMBER = 40;
    const int E_ENDOFSEQ = 50;
    const int E_NOSEQ = 60;
    const int E_UNCODE = 70;
    const int E_USENAME = 80;
    const int E_STRANGE = 90;
    const int E_REDIRECT = 100;

    const char *errtostr(int err) {
        switch (err) {
            case E_EXTERNAL:
                return "External error";
            case E_CONNECTION:
                return "Connection error";
            case E_UNEXTYPE:
                return "Unexpected type";
            case E_CAST:
                return "Casting failed";
            case E_NOMEMBER:
                return "No such member recived";
            case E_ENDOFSEQ:
                return "Sequence reached the end";
            case E_NOSEQ:
                return "No such sequence";
            case E_UNCODE:
                return "Unexpected code";
            case E_USENAME:
                return "Unable to work with just id";
            case E_STRANGE:
                return "This error means, that is something strange going on";
            case E_REDIRECT:
                return "No data on last server. Try reconnect";
        }
    }
}
#endif

---