stristr.cpp
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上传日期:2007-02-14
资源大小:24088k
文件大小:2k
源码类别:
系统编程
开发平台:
Visual C++
- /*****************************************************************/
- /** 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;
- }
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