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/*
* itrace.h
*
* $Id: itrace.h,v 1.3 1999/01/18 13:56:57 source Exp $
*
* Trace functions
*
* 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.
*/
#ifndef _ITRACE_H
#define _ITRACE_H
#ifdef DEBUG
#ifndef NO_TRACE
#define NO_TRACE
#endif
#endif
#define TRACE_TYPE_APP2DM 1
#define TRACE_TYPE_DM2DRV 2
#define TRACE_TYPE_DRV2DM 3
#define TRACE_TYPE_RETURN 4
extern HPROC _iodbcdm_gettrproc (void FAR * stm, int procid, int type);
#ifdef NO_TRACE
#define TRACE_CALL( stm, trace_on, procid, plist )
#else
#define TRACE_CALL( stm, trace_on, plist )\
{\
if( trace_on)\
{\
HPROC hproc;\
\
hproc = _iodbcdm_gettrproc(stm, procid, TRACE_TYPE_APP2DM);\
\
if( hproc )\
hproc plist;\
}\
}
#endif
#ifdef NO_TRACE
#define TRACE_DM2DRV( stm, procid, plist )
#else
#define TRACE_DM2DRV( stm, procid, plist )\
{\
HPROC hproc;\
\
hproc = _iodbcdm_gettrproc(stm, procid, TRACE_TYPE_DM2DRV);\
\
if( hproc )\
hproc plist;\
}
#endif
#ifdef NO_TRACE
#define TRACE_DRV2DM( stm, procid, plist )
#else
#define TRACE_DRV2DM( stm, procid, plist ) \
{\
HPROC hproc;\
\
hproc = _iodbcdm_gettrproc( stm, procid, TRACE_TYPE_DRV2DM);\
\
if( hproc )\
hproc plist;\
}
#endif
#ifdef NO_TRACE
#define TRACE_RETURN( stm, trace_on, ret )
#else
#define TRACE_RETURN( stm, trace_on, ret )\
{\
if( trace_on ) {\
HPROC hproc;\
\
hproc = _iodbcdm_gettrproc( stm, 0, TRACE_TYPE_RETURN);\
\
if( hproc )\
hproc( stm, ret );\
}\
}
#endif
#ifdef NO_TRACE
#define CALL_DRIVER( hdbc, ret, proc, procid, plist ) { ret = proc plist; }
#else
#define CALL_DRIVER( hdbc, ret, proc, procid, plist )\
{\
DBC_t FAR* pdbc = (DBC_t FAR*)(hdbc);\
\
if( pdbc->trace ) {\
TRACE_DM2DRV( pdbc->tstm, procid, plist )\
ret = proc plist;\
TRACE_DRV2DM( pdbc->tstm, procid, plist )\
TRACE_RETURN( pdbc->tstm, 1, ret )\
}\
else\
ret = proc plist;\
}
#endif
#endif
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