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/**********************************************************************
* _AllocStmt (deprecated)
*
**********************************************************************
*
* This code was created by Peter Harvey (mostly during Christmas 98/99).
* This code is LGPL. Please ensure that this message remains in future
* distributions and uses of this code (thats about all I get out of it).
* - Peter Harvey pharvey@codebydesign.com
*
**********************************************************************/
#include <config.h>
#include "driver.h"
SQLRETURN _AllocStmt( SQLHDBC hDrvDbc,
SQLHSTMT *phDrvStmt )
{
HDRVDBC hDbc = (HDRVDBC)hDrvDbc;
HDRVSTMT *phStmt = (HDRVSTMT*)phDrvStmt;
/* SANITY CHECKS */
if( hDbc == SQL_NULL_HDBC )
{
logPushMsg( hDbc->hLog, __FILE__, __FILE__, __LINE__, LOG_WARNING, LOG_WARNING, "SQL_INVALID_HANDLE" );
return SQL_INVALID_HANDLE;
}
sprintf( hDbc->szSqlMsg, "hDbc = $%08lX", hDbc );
logPushMsg( hDbc->hLog, __FILE__, __FILE__, __LINE__, LOG_WARNING, LOG_WARNING, hDbc->szSqlMsg );
if( NULL == phStmt )
{
logPushMsg( hDbc->hLog, __FILE__, __FILE__, __LINE__, LOG_WARNING, LOG_WARNING, "SQL_ERROR phStmt=NULL" );
return SQL_ERROR;
}
/* OK */
/* allocate memory */
*phStmt = malloc( sizeof(DRVSTMT) );
if( SQL_NULL_HSTMT == *phStmt )
{
logPushMsg( hDbc->hLog, __FILE__, __FILE__, __LINE__, LOG_WARNING, LOG_WARNING, "SQL_ERROR memory allocation failure" );
return SQL_ERROR;
}
/* initialize memory */
sprintf( hDbc->szSqlMsg, "*phstmt = $%08lX", *phStmt );
logPushMsg( hDbc->hLog, __FILE__, __FILE__, __LINE__, LOG_WARNING, LOG_WARNING, hDbc->szSqlMsg );
memset( *phStmt, 0, sizeof(DRVSTMT) ); /* SAFETY */
(*phStmt)->hDbc = (SQLPOINTER)hDbc;
(*phStmt)->hLog = NULL;
(*phStmt)->hStmtExtras = NULL;
(*phStmt)->pNext = NULL;
(*phStmt)->pPrev = NULL;
(*phStmt)->pszQuery = NULL;
sprintf( (*phStmt)->szCursorName, "CUR_%08lX", *phStmt );
/* ADD TO DBCs STATEMENT LIST */
/* start logging */
if ( logOpen( &(*phStmt)->hLog, SQL_DRIVER_NAME, NULL, 50 ) )
{
logOn( (*phStmt)->hLog, 1 );
logPushMsg( (*phStmt)->hLog, __FILE__, __FILE__, __LINE__, LOG_WARNING, LOG_WARNING, "Statement logging allocated ok" );
}
else
(*phStmt)->hLog = NULL;
/* ADD TO END OF LIST */
if ( hDbc->hFirstStmt == NULL )
{
/* 1st is null so the list is empty right now */
hDbc->hFirstStmt = (*phStmt);
hDbc->hLastStmt = (*phStmt);
}
else
{
/* at least one node in list */
hDbc->hLastStmt->pNext = (SQLPOINTER)(*phStmt);
(*phStmt)->pPrev = (SQLPOINTER)hDbc->hLastStmt;
hDbc->hLastStmt = (*phStmt);
}
/****************************************************************************/
/* ALLOCATE AND INIT DRIVER EXTRAS HERE */
(*phStmt)->hStmtExtras = malloc(sizeof(STMTEXTRAS));
memset( (*phStmt)->hStmtExtras, 0, sizeof(STMTEXTRAS) ); /* SAFETY */
(*phStmt)->hStmtExtras->aResults = NULL;
(*phStmt)->hStmtExtras->nCols = 0;
(*phStmt)->hStmtExtras->nRow = 0;
(*phStmt)->hStmtExtras->nRows = 0;
/****************************************************************************/
logPushMsg( hDbc->hLog, __FILE__, __FILE__, __LINE__, LOG_INFO, LOG_INFO, "SQL_SUCCESS" );
return SQL_SUCCESS;
}
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