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98 lines
2.0 KiB
98 lines
2.0 KiB
/*****************************************************************/
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/** Microsoft Windows for Workgroups **/
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/** Copyright (C) Microsoft Corp., 1991-1992 **/
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/*****************************************************************/
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/*
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strrchr.cxx
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NLS/DBCS-aware string class: strrchr method
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This file contains the implementation of the strrchr method
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for the STRING class. It is separate so that clients of STRING which
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do not use this operator need not link to it.
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FILE HISTORY:
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beng 01/18/91 Separated from original monolithic .cxx
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beng 02/07/91 Uses lmui.hxx
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*/
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#include "npcommon.h"
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extern "C"
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{
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#include <netlib.h>
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}
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#if defined(DEBUG)
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static const CHAR szFileName[] = __FILE__;
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#define _FILENAME_DEFINED_ONCE szFileName
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#endif
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#include <npassert.h>
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#include <npstring.h>
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/*******************************************************************
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NAME: NLS_STR::strrchr
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SYNOPSIS: Puts the index of the last occurrence of ch in *this into
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istrPos.
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ENTRY:
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EXIT:
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NOTES:
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HISTORY:
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johnl 11/26/90 Written
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beng 07/23/91 Allow on erroneous string; update CheckIstr
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********************************************************************/
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BOOL NLS_STR::strrchr( ISTR * pistrPos, const CHAR ch ) const
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{
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if (QueryError())
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return FALSE;
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UpdateIstr( pistrPos );
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CheckIstr( *pistrPos );
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const CHAR * pchStrRes = ::strrchrf( QueryPch(), ch );
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if ( pchStrRes == NULL )
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{
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pistrPos->SetIB( strlen() );
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return FALSE;
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}
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pistrPos->SetIB((int) (pchStrRes - QueryPch()));
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return TRUE;
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}
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BOOL NLS_STR::strrchr(
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ISTR *pistrPos,
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const CHAR ch,
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const ISTR& istrStart ) const
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{
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if (QueryError())
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return FALSE;
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CheckIstr( istrStart );
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UpdateIstr( pistrPos );
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CheckIstr( *pistrPos );
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const CHAR * pchStrRes = ::strrchrf(QueryPch(istrStart), ch );
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if ( pchStrRes == NULL )
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{
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pistrPos->SetIB( strlen() );
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return FALSE;
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}
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pistrPos->SetIB((int) (pchStrRes - QueryPch()));
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return TRUE;
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}
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