1                 : /******************************************************************************
       2                 :  * $Id: ogrpgutility.h 10931 2007-03-11 11:22:31Z mloskot $
       3                 :  *
       4                 :  * Project:  OpenGIS Simple Features Reference Implementation
       5                 :  * Purpose:  Private utilities for OGR/PostgreSQL driver.
       6                 :  * Author:   Mateusz Loskot, mateusz@loskot.net
       7                 :  *
       8                 :  ******************************************************************************
       9                 :  * Copyright (c) 2007, Mateusz Loskot
      10                 :  *
      11                 :  * Permission is hereby granted, free of charge, to any person obtaining a
      12                 :  * copy of this software and associated documentation files (the "Software"),
      13                 :  * to deal in the Software without restriction, including without limitation
      14                 :  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      15                 :  * and/or sell copies of the Software, and to permit persons to whom the
      16                 :  * Software is furnished to do so, subject to the following conditions:
      17                 :  *
      18                 :  * The above copyright notice and this permission notice shall be included
      19                 :  * in all copies or substantial portions of the Software.
      20                 :  *
      21                 :  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
      22                 :  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
      23                 :  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
      24                 :  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
      25                 :  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
      26                 :  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
      27                 :  * DEALINGS IN THE SOFTWARE.
      28                 :  ****************************************************************************/
      29                 : 
      30                 : #ifndef OGRPGUTILITY_H_INCLUDED
      31                 : #define OGRPGUTILITY_H_INCLUDED
      32                 : 
      33                 : #include "libpq-fe.h"
      34                 : 
      35                 : /************************************************************************/
      36                 : /*                            OGRPGClearResult                          */
      37                 : /*                                                                      */
      38                 : /*      Safe wrapper for PQclear() function.                            */
      39                 : /*      Releases given result and resets handle to NULL.                */
      40                 : /*      Parameter hResult is input/output - a reference to pointer      */
      41                 : /************************************************************************/
      42                 : 
      43           10109 : inline void OGRPGClearResult( PGresult*& hResult )
      44                 : {
      45           10109 :     if( NULL != hResult )
      46                 :     {
      47           10109 :         PQclear( hResult );
      48           10109 :         hResult = NULL;
      49                 :     }
      50           10109 : }
      51                 : 
      52                 : #endif /* ndef OGRPGUTILITY_H_INCLUDED */
      53                 :