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/*
* dlproc.c
*
* $Id: dlproc.c,v 1.6 1999/06/25 03:01:07 source Exp $
*
* Load driver and resolve driver's function entry point
*
* The iODBC driver manager.
*
* Copyright (C) 1995 by Ke Jin <kejin@empress.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <config.h>
#include <sql.h>
#include <sqlext.h>
#include <dlproc.h>
#include <herr.h>
#include <henv.h>
#include <hdbc.h>
#include <itrace.h>
#include "henv.ci"
HPROC
_iodbcdm_getproc (HDBC hdbc, int idx)
{
DBC_t FAR *pdbc = (DBC_t FAR *) hdbc;
ENV_t FAR *penv;
HPROC FAR *phproc;
if (idx <= 0 || idx > SQL_EXT_API_LAST)
/* first entry naver used */
{
return SQL_NULL_HPROC;
}
penv = (ENV_t FAR *) (pdbc->henv);
if (penv == NULL)
{
return SQL_NULL_HPROC;
}
phproc = penv->dllproc_tab + idx;
if (*phproc == SQL_NULL_HPROC)
{
int i, en_idx;
for (i = 0;; i++)
{
en_idx = odbcapi_symtab[i].en_idx;
if (en_idx == en_NullProc)
{
break;
}
if (en_idx == idx)
{
*phproc = _iodbcdm_dllproc (penv->hdll,
odbcapi_symtab[i].symbol);
break;
}
}
}
return *phproc;
}
HDLL
_iodbcdm_dllopen (char FAR * path)
{
return (HDLL) DLL_OPEN (path);
}
HPROC
_iodbcdm_dllproc (HDLL hdll, char FAR * sym)
{
return (HPROC) DLL_PROC (hdll, sym);
}
int
_iodbcdm_dllclose (HDLL hdll)
{
DLL_CLOSE (hdll);
return 0;
}
char *
_iodbcdm_dllerror ()
{
return DLL_ERROR ();
}
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