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60 lines
1.6 KiB
C
60 lines
1.6 KiB
C
/*
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* MSVCRT string functions
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*
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* Copyright 1996,1998 Marcus Meissner
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* Copyright 1996 Jukka Iivonen
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* Copyright 1997,2000 Uwe Bonnes
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* Copyright 2000 Jon Griffiths
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <precomp.h>
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#include <mbstring.h>
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#include <locale.h>
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/*
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* @implemented
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*/
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unsigned int _mbcjistojms(unsigned int c)
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{
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/* Conversion takes place only when codepage is 932.
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In all other cases, c is returned unchanged */
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if(get_mbcinfo()->mbcodepage == 932)
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{
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if(HIBYTE(c) >= 0x21 && HIBYTE(c) <= 0x7e &&
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LOBYTE(c) >= 0x21 && LOBYTE(c) <= 0x7e)
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{
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if(HIBYTE(c) % 2)
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c += 0x1f;
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else
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c += 0x7d;
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if(LOBYTE(c) >= 0x7F)
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c += 0x1;
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c = (((HIBYTE(c) - 0x21)/2 + 0x81) << 8) | LOBYTE(c);
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if(HIBYTE(c) > 0x9f)
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c += 0x4000;
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}
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else
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return 0; /* Codepage is 932, but c can't be converted */
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}
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return c;
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}
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