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/**********************************************************************
* _FreeDbc
*
**********************************************************************/
#include "driver.h"
SQLRETURN _FreeDbc( SQLHDBC hDrvDbc )
{
HDRVDBC hDbc = (HDRVDBC)hDrvDbc;
HDRVDBC hPrevDbc;
SQLRETURN nReturn;
if ( hDbc == SQL_NULL_HDBC )
return SQL_ERROR;
/* TRY TO FREE STATEMENTS */
/* THIS IS JUST IN CASE; SHOULD NOT BE REQUIRED */
nReturn = _FreeStmtList( hDbc );
if ( nReturn != SQL_SUCCESS )
return nReturn;
/* SPECIAL CHECK FOR FIRST IN LIST */
if ( ((HDRVENV)hDbc->hEnv)->hFirstDbc == hDbc )
((HDRVENV)hDbc->hEnv)->hFirstDbc = hDbc->pNext;
/* SPECIAL CHECK FOR LAST IN LIST */
if ( ((HDRVENV)hDbc->hEnv)->hLastDbc == hDbc )
((HDRVENV)hDbc->hEnv)->hLastDbc = hDbc->pPrev;
/* EXTRACT SELF FROM LIST */
if ( hDbc->pPrev != SQL_NULL_HDBC )
hDbc->pPrev->pNext = hDbc->pNext;
if ( hDbc->pNext != SQL_NULL_HDBC )
hDbc->pNext->pPrev = hDbc->pPrev;
/**********************************************/
/* !!! CODE TO FREE DRIVER SPECIFIC MEMORY (hidden in hStmtExtras) HERE !!! */
if ( hDbc->hDbcExtras )
{
free( hDbc->hDbcExtras );
}
/**********************************************/
logPushMsg( hDbc->hLog, __FILE__, __FILE__, __LINE__, LOG_INFO, LOG_INFO, "SQL_SUCCESS" );
logClose( hDbc->hLog );
free( hDbc );
return SQL_SUCCESS;
}
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