Source code of Windows XP (NT5)
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/*****************************************************************/
/** Microsoft Windows for Workgroups **/
/** Copyright (C) Microsoft Corp., 1991-1992 **/
/*****************************************************************/
/*
stristr.cxx
NLS/DBCS-aware string class: stristr method
This file contains the implementation of the stristr method
for the STRING class. It is separate so that clients of STRING which
do not use this operator need not link to it.
FILE HISTORY:
beng 11/18/91 Separated from original monolithic .cxx
beng 02/07/91 Uses lmui.hxx
*/
#include "npcommon.h"
extern "C"
{
#include <netlib.h>
}
#if defined(DEBUG)
static const CHAR szFileName[] = __FILE__;
#define _FILENAME_DEFINED_ONCE szFileName
#endif
#include <npassert.h>
#include <npstring.h>
/*******************************************************************
NAME: NLS_STR::stristr
SYNOPSIS: Same as strstr on case insensitive
ENTRY:
EXIT:
NOTES:
HISTORY:
johnl 11/16/90 Written
beng 07/23/91 Allow on erroneous string; simplified CheckIstr
********************************************************************/
BOOL NLS_STR::stristr( ISTR * pistrPos, const NLS_STR & nls ) const
{
if (QueryError() || !nls)
return FALSE;
UpdateIstr( pistrPos );
CheckIstr( *pistrPos );
const CHAR * pchStrRes = ::stristrf( QueryPch(), nls.QueryPch() );
if ( pchStrRes == NULL )
{
pistrPos->SetIB( strlen() );
return FALSE;
}
pistrPos->SetIB((int) (pchStrRes - QueryPch()));
return TRUE;
}
BOOL NLS_STR::stristr( ISTR * pistrPos,
const NLS_STR & nls,
const ISTR & istrStart ) const
{
if (QueryError() || !nls)
return FALSE;
CheckIstr( istrStart );
UpdateIstr( pistrPos );
CheckIstr( *pistrPos );
const CHAR * pchStrRes = ::stristrf(QueryPch(istrStart), nls.QueryPch() );
if ( pchStrRes == NULL )
{
pistrPos->SetIB( strlen() );
return FALSE;
}
pistrPos->SetIB((int) (pchStrRes - QueryPch()));
return TRUE;
}