Leaked source code of windows server 2003
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3.6 KiB

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