133 lines
3.5 KiB
C
133 lines
3.5 KiB
C
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/***
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*mbsupr.c - Convert string upper case (MBCS)
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*
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* Copyright (c) 1985-2001, Microsoft Corporation. All rights reserved.
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*
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*Purpose:
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* Convert string upper case (MBCS)
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*
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*Revision History:
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* 11-19-92 KRS Ported from 16-bit sources.
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* 09-29-93 CFW Merge _KANJI and _MBCS_OS
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* 10-06-93 GJF Replaced _CRTAPI1 with __cdecl.
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* 04-12-94 CFW Make function generic.
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* 04-15-93 CFW Add _MB_CP_LOCK.
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* 05-16-94 CFW Use _mbbtolower/upper.
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* 05-17-94 CFW Enable non-Win32.
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* 03-13-95 JCF Add (unsigned char) in _MB* compare with *(cp+1).
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* 05-31-95 CFW Fix horrible Mac bug.
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* 03-17-97 RDK Added error flag to __crtLCMapStringA.
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* 09-26-97 BWT Fix POSIX
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* 04-21-98 GJF Revised multithread support based on threadmbcinfo
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* structs
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* 05-17-99 PML Remove all Macintosh support.
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*
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*******************************************************************************/
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#ifdef _MBCS
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#include <awint.h>
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#include <mtdll.h>
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#include <cruntime.h>
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#include <ctype.h>
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#include <mbdata.h>
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#include <mbstring.h>
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#include <mbctype.h>
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/***
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* _mbsupr - Convert string upper case (MBCS)
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*
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*Purpose:
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* Converts all the lower case characters in a string
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* to upper case in place. Handles MBCS chars correctly.
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*
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*Entry:
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* unsigned char *string = pointer to string
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*
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*Exit:
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* Returns a pointer to the input string; no error return.
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*
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*Exceptions:
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*
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*******************************************************************************/
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unsigned char * __cdecl _mbsupr(
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unsigned char *string
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)
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{
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unsigned char *cp;
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#ifdef _MT
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pthreadmbcinfo ptmbci = _getptd()->ptmbcinfo;
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if ( ptmbci != __ptmbcinfo )
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ptmbci = __updatetmbcinfo();
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#endif
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for (cp=string; *cp; cp++)
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{
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#ifdef _MT
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if ( __ismbblead_mt(ptmbci, *cp) )
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#else
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if ( _ismbblead(*cp) )
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#endif
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{
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#if !defined(_POSIX_)
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int retval;
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unsigned char ret[4];
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#ifdef _MT
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if ( (retval = __crtLCMapStringA( ptmbci->mblcid,
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#else
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if ( (retval = __crtLCMapStringA( __mblcid,
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#endif
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LCMAP_UPPERCASE,
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cp,
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2,
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ret,
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2,
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#ifdef _MT
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ptmbci->mbcodepage,
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#else
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__mbcodepage,
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#endif
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TRUE )) == 0 )
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return NULL;
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*cp = ret[0];
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if (retval > 1)
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*(++cp) = ret[1];
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#else /* !_POSIX_ */
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int mbval = ((*cp) << 8) + *(cp+1);
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cp++;
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if ( mbval >= _MBLOWERLOW1
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&& mbval <= _MBLOWERHIGH1 )
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*cp -= _MBCASEDIFF1;
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else if (mbval >= _MBLOWERLOW2
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&& mbval <= _MBLOWERHIGH2 )
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*cp -= _MBCASEDIFF2;
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#endif /* !_POSIX_ */
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}
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else
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/* single byte, macro version */
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#ifdef _MT
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*cp = (unsigned char) __mbbtoupper_mt(ptmbci, *cp);
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#else
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*cp = (unsigned char) _mbbtoupper(*cp);
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#endif
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}
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return string ;
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}
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#endif /* _MBCS */
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