355 lines
9.8 KiB
C
355 lines
9.8 KiB
C
/*
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* $Id$
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*/
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/*
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* Harbour Project source code:
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* CT3 general functions (C part)
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*
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* Copyright 2001 IntTec GmbH, Neunlindenstr 32, 79106 Freiburg, Germany
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* Author: Martin Vogel <vogel@inttec.de>
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*
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* www - http://www.harbour-project.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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* Boston, MA 02111-1307 USA (or visit the web site http://www.gnu.org/).
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*
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* As a special exception, the Harbour Project gives permission for
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* additional uses of the text contained in its release of Harbour.
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*
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* The exception is that, if you link the Harbour libraries with other
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* files to produce an executable, this does not by itself cause the
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* resulting executable to be covered by the GNU General Public License.
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* Your use of that executable is in no way restricted on account of
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* linking the Harbour library code into it.
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*
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* This exception does not however invalidate any other reasons why
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* the executable file might be covered by the GNU General Public License.
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*
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* This exception applies only to the code released by the Harbour
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* Project under the name Harbour. If you copy code from other
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* Harbour Project or Free Software Foundation releases into a copy of
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* Harbour, as the General Public License permits, the exception does
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* not apply to the code that you add in this way. To avoid misleading
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* anyone as to the status of such modified files, you must delete
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* this exception notice from them.
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*
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* If you write modifications of your own for Harbour, it is your choice
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* whether to permit this exception to apply to your modifications.
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* If you do not wish that, delete this exception notice.
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*
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*/
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#include "ct.h"
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#include "hbvm.h"
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#include "hbstack.h"
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/* throwing a CT-subsystem error without value substitution
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- function adapted from errorapi.c */
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USHORT ct_error (USHORT uiSeverity, ULONG ulGenCode, ULONG ulSubCode,
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char * szDescription, char * szOperation, USHORT uiOsCode,
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USHORT uiFlags, ULONG uiArgCount, ...)
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{
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USHORT uiAction;
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PHB_ITEM pError;
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PHB_ITEM pArray;
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va_list va;
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ULONG uiArgPos;
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BOOL bRelease = TRUE;
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HB_TRACE(HB_TR_DEBUG, ("ct_error (%hu, %lu, %lu, %s, %s, %hu, %hu, %lu",
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uiSeverity, ulGenCode, ulSubCode, szDescription,
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szOperation, uiOsCode, uiFlags, uiArgCount));
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pArray = hb_itemArrayNew (uiArgCount);
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/* Build the array from the passed arguments. */
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va_start (va, uiArgCount);
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for (uiArgPos = 1; uiArgPos <= uiArgCount; uiArgPos++)
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{
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PHB_ITEM pTemp;
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hb_itemArrayPut (pArray, uiArgPos, pTemp = va_arg (va, PHB_ITEM));
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HB_TRACE(HB_TR_DEBUG, ("\t%p,",pTemp));
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}
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va_end (va);
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HB_TRACE(HB_TR_DEBUG, (")"));
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pError = hb_errRT_New (uiSeverity, CT_SUBSYSTEM, ulGenCode, ulSubCode,
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szDescription, szOperation, uiOsCode, uiFlags);
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/* Assign the new array to the object data item. */
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hb_vmPushSymbol (hb_dynsymGet ("_ARGS")->pSymbol);
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hb_vmPush (pError);
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hb_vmPush (pArray);
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hb_vmDo (1);
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/* Release the Array. */
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if (bRelease)
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{
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hb_itemRelease (pArray);
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}
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/* launch error codeblock */
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uiAction = hb_errLaunch (pError);
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/* release error codeblock */
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hb_errRelease (pError);
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return (uiAction);
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}
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/* throwing a CT-subsystem error with value substitution
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- function adapted from errorapi.c */
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PHB_ITEM ct_error_subst (USHORT uiSeverity, ULONG ulGenCode, ULONG ulSubCode,
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char * szDescription, char * szOperation, USHORT uiOsCode,
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USHORT uiFlags, ULONG uiArgCount, ...)
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{
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PHB_ITEM pRetVal;
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PHB_ITEM pError;
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PHB_ITEM pArray;
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va_list va;
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ULONG uiArgPos;
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HB_TRACE(HB_TR_DEBUG, ("ct_error_subst (%hu, %lu, %lu, %s, %s, %hu, %hu, %lu",
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uiSeverity, ulGenCode, ulSubCode, szDescription,
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szOperation, uiOsCode, uiFlags, uiArgCount));
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pArray = hb_itemArrayNew (uiArgCount);
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/* Build the array from the passed arguments. */
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va_start (va, uiArgCount);
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for (uiArgPos = 1; uiArgPos <= uiArgCount; uiArgPos++)
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{
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PHB_ITEM pTemp;
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hb_itemArrayPut (pArray, uiArgPos, pTemp = va_arg (va, PHB_ITEM));
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HB_TRACE(HB_TR_DEBUG, ("\t%p,",pTemp));
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}
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va_end (va);
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HB_TRACE(HB_TR_DEBUG, (")"));
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pError = hb_errRT_New_Subst (uiSeverity, CT_SUBSYSTEM, ulGenCode, ulSubCode,
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szDescription, szOperation, uiOsCode, uiFlags);
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/* Assign the new array to the object data item. */
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hb_vmPushSymbol (hb_dynsymGet ("_ARGS")->pSymbol);
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hb_vmPush (pError);
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hb_vmPush (pArray);
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hb_vmDo (1);
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/* Release the Array. */
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hb_itemRelease (pArray);
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/* launch error codeblock */
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pRetVal = hb_errLaunchSubst (pError);
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hb_errRelease (pError);
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return (pRetVal);
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}
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/* argument error behaviour */
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static int s_iArgErrMode = CT_ARGERR_IGNORE;
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void ct_setargerrormode (int iMode)
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{
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HB_TRACE(HB_TR_DEBUG, ("ct_setargerrormode(%i)",iMode));
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s_iArgErrMode = iMode;
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}
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int ct_getargerrormode (void)
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{
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HB_TRACE(HB_TR_DEBUG, ("ct_getargerrormode()"));
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return (s_iArgErrMode);
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}
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/* $DOC$
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* $FUNCNAME$
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* CSETARGERR()
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* $CATEGORY$
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* CT3 general functions
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* $ONELINER$
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* Sets argument error behaviour
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* $SYNTAX$
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* CSETARGERR ([<nNewMode>]) -> <nOldMode>
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* $ARGUMENTS$
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* [<nNewMode>] New argument error throwing mode
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* $RETURNS$
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* <nOldMode> The current or old argument error throwing mode.
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* $DESCRIPTION$
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* All CT3 functions are very compliant in their reaction to wrong
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* parameters. By using the CSETARGERR() function, you can make the
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* library throw an error with the severity <nNewMode>. It is then
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* up to the error handler to substitute the return value.
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* <nNewMode> can be one of the severity modes defined in ct.ch:
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* CT_ARGERR_WHOCARES corresponds to ES_WHOCARES
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* CT_ARGERR_WARNING corresponds to ES_WARNING
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* CT_ARGERR_ERROR corresponds to ES_ERROR
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* CT_ARGERR_CATASTROPHIC corresponds to ES_CATASTROPHIC
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* CT_ARGERR_IGNORE
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* The last is the default behaviour and switches any argument error
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* throwing off.
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* $EXAMPLES$
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* $TESTS$
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* $STATUS$
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* Ready
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* $COMPLIANCE$
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* CSETARGERR() is a new function in Harbour's CT3 library.
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* $PLATFORMS$
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* All
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* $FILES$
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* Source is ct.c, library is libct.
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* $SEEALSO$
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* $END$
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*/
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HB_FUNC (CSETARGERR)
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{
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hb_retni (ct_getargerrormode());
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if (ISNUM (1))
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{
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int iNewMode = hb_parni (1);
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if ((iNewMode == CT_ARGERR_WHOCARES) ||
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(iNewMode == CT_ARGERR_WARNING) ||
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(iNewMode == CT_ARGERR_ERROR) ||
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(iNewMode == CT_ARGERR_CATASTROPHIC)||
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(iNewMode == CT_ARGERR_IGNORE))
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{
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ct_setargerrormode (hb_parni (1));
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}
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else
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{
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int iArgErrorMode = ct_getargerrormode();
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if (iArgErrorMode != CT_ARGERR_IGNORE)
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{
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ct_error ((USHORT)iArgErrorMode, EG_ARG, CT_ERROR_CSETARGERR,
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NULL, "CSETARGERR", 0, EF_CANDEFAULT, 1, hb_paramError (1));
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}
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}
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}
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else if (hb_pcount() > 0) /* more than one param but not integer */
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{
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int iArgErrorMode = ct_getargerrormode();
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if (iArgErrorMode != CT_ARGERR_IGNORE)
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{
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ct_error ((USHORT)iArgErrorMode, EG_ARG, CT_ERROR_CSETARGERR,
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NULL, "CSETARGERR", 0, EF_CANDEFAULT, 1, hb_paramError (1));
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}
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}
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return;
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}
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/* initialization */
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static int s_initialized = 0; /* TODO: make this thread safe */
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/* $DOC$
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* $FUNCNAME$
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* CTCINIT()
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* $CATEGORY$
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* CT3 general functions
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* $ONELINER$
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* Initializes the CT3 library, C part
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* $SYNTAX$
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* CTCINIT () -> lInitialized
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* $ARGUMENTS$
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* None
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* $RETURNS$
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* lInitialized .T. if the function has been correctly initialized
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* $DESCRIPTION$
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* The CTCINIT() function initializes the C source part of the CT3
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* library. Do not call this function directly.
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* $EXAMPLES$
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* $TESTS$
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* $STATUS$
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* Ready
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* $COMPLIANCE$
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* CTCINIT() is a new function in Harbour's CT3 library.
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* $PLATFORMS$
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* All
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* $FILES$
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* Source is ctc.c, library is libct.
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* $SEEALSO$
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* CTINIT(),CTEXIT()
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* $END$
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*/
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HB_FUNC (CTCINIT)
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{
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if (s_initialized == 0)
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{
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int iSuccess;
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iSuccess = ct_str_init();
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iSuccess |= ct_math_init();
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s_initialized = iSuccess;
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}
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hb_retl (s_initialized);
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}
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/* $DOC$
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* $FUNCNAME$
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* CTCEXIT()
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* $CATEGORY$
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* CT3 general functions
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* $ONELINER$
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* Uninitializes the CT3 library, C part
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* $SYNTAX$
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* CTCEXIT () -> nil
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* $ARGUMENTS$
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* none
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* $RETURNS$
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* nil
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* $DESCRIPTION$
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* The CTCEXIT() function uninitializes the C part of the CT3 library.
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* Do not call this function directly.
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* $EXAMPLES$
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* $TESTS$
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* $STATUS$
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* Ready
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* $COMPLIANCE$
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* CTCEXIT() is a new function in Harbour's CT3 library.
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* $PLATFORMS$
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* All
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* $FILES$
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* Source is ctc.c, library is libct.
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* $SEEALSO$
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* CTINIT(),CTEXIT()
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* $END$
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*/
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HB_FUNC (CTCEXIT)
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{
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ct_str_exit();
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ct_math_exit();
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s_initialized = 0;
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hb_ret();
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}
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