RETCODE SQL_API
SQLFreeConnect (HDBC hdbc)
{
GENV_t FAR *genv;
DBC_t FAR *pdbc = (DBC_t FAR *) hdbc;
DBC_t FAR *tpdbc;
if (hdbc == SQL_NULL_HDBC)
{
return SQL_INVALID_HANDLE;
}
/* check state */
if (pdbc->state != en_dbc_allocated)
{
PUSHSQLERR (pdbc->herr, en_S1010);
return SQL_ERROR;
}
genv = (GENV_t FAR *) pdbc->genv;
for (tpdbc = (DBC_t FAR *) genv->hdbc;
tpdbc != NULL;
tpdbc = tpdbc->next)
{
if (pdbc == tpdbc)
{
genv->hdbc = pdbc->next;
break;
}
if (pdbc == tpdbc->next)
{
tpdbc->next = pdbc->next;
break;
}
}
/* free this dbc */
_iodbcdm_driverunload (pdbc);
_iodbcdm_freesqlerrlist (pdbc->herr);
if (pdbc->tfile)
{
MEM_FREE (pdbc->tfile);
}
SQLSetConnectOption (pdbc, SQL_OPT_TRACE, SQL_OPT_TRACE_OFF);
MEM_FREE (pdbc);
return SQL_SUCCESS;
}
RETCODE SQL_API
SQLFreeEnv (HENV henv)
{
GENV_t FAR *genv = (GENV_t *) henv;
if (henv == SQL_NULL_HENV)
{
return SQL_INVALID_HANDLE;
}
if (genv->hdbc != SQL_NULL_HDBC)
{
PUSHSQLERR (genv->herr, en_S1010);
return SQL_ERROR;
}
_iodbcdm_freesqlerrlist (genv->herr);
MEM_FREE (henv);
return SQL_SUCCESS;
}