104 lines
2.2 KiB
C++
104 lines
2.2 KiB
C++
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/*****************************************************************/
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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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strncmp.cxx
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NLS/DBCS-aware string class: strncmp method
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This file contains the implementation of the strncmp 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::strncmp
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SYNOPSIS: Case sensitve string compare up to index position istrLen
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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 11/15/90 Written
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beng 07/23/91 Allow on erroneous string; simplified CheckIstr
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********************************************************************/
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INT NLS_STR::strncmp(
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const NLS_STR & nls,
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const ISTR & istrEnd ) const
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{
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if (QueryError() || !nls)
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return 0;
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CheckIstr( istrEnd );
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return ::strncmpf( QueryPch(), nls.QueryPch(), istrEnd.QueryIB() );
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}
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INT NLS_STR::strncmp(
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const NLS_STR & nls,
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const ISTR & istrEnd,
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const ISTR & istrStart1 ) const
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{
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if (QueryError() || !nls)
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return 0;
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UIASSERT( istrEnd.QueryIB() >= istrStart1.QueryIB() );
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CheckIstr( istrEnd );
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CheckIstr( istrStart1 );
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return ::strncmpf( QueryPch(istrStart1),
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nls.QueryPch(),
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istrEnd - istrStart1 );
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}
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INT NLS_STR::strncmp(
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const NLS_STR & nls,
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const ISTR & istrEnd,
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const ISTR & istrStart1,
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const ISTR & istrStart2 ) const
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{
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if (QueryError() || !nls)
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return 0;
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UIASSERT( istrEnd.QueryIB() >= istrStart1.QueryIB() );
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UIASSERT( istrEnd.QueryIB() >= istrStart2.QueryIB() );
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CheckIstr( istrEnd );
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CheckIstr( istrStart1 );
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nls.CheckIstr( istrStart2 );
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return ::strncmpf( QueryPch(istrStart1),
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nls.QueryPch(istrStart2),
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istrEnd - istrStart1 );
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}
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