Source code of Windows XP (NT5)
 
 
 
 
 
 

30 lines
786 B

/* _Towupper -- convert wchar_t to upper case for Microsoft */
#include <xlocinfo.h>
#include <wchar.h>
#include <awint.h>
#include <setlocal.h>
_STD_BEGIN
_CRTIMP2 wchar_t __cdecl _Towupper(wchar_t _Ch,
const _Ctypevec *_Ctype)
{ /* convert element to upper case */
wchar_t _Res = _Ch;
if (_Ch == WEOF)
;
else if (_Ctype->_Hand == _CLOCALEHANDLE && _Ch < 256)
{ /* handle ASCII character in C locale */
if (L'a' <= _Ch && _Ch <= L'z')
_Res = (wchar_t)(_Ch - L'a' + L'A');
}
else if (__crtLCMapStringW(_Ctype->_Hand, LCMAP_UPPERCASE,
&_Ch, 1, &_Res, 1, _Ctype->_Page) == 0)
_Res = _Ch;
return (_Res);
}
_STD_END
/*
* Copyright (c) 1992-2001 by P.J. Plauger. ALL RIGHTS RESERVED.
* Consult your license regarding permissions and restrictions.
V3.10:0009 */