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// -*- C++ -*-
/* Copyright (C) 1994 Free Software Foundation, Inc.
Written by Toshiyuki Kitagawa (kitagawa@bsd2.kb.nec.co.jp)
This file is part of groff.
groff is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2, or (at your option) any later
version.
groff is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License along
with groff; see the file COPYING. If not, write to the Free Software
Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#ifndef _EUCMAC_H
#define _EUCMAC_H
typedef unsigned short wchar;
static const int WCTABLE_OFFSET = 0xa1;
static const int WCTABLE_SIZE = 94;
static const int EUCMASK = 0x8080;
inline int is_euc_code(wchar wc)
{
return((wc & EUCMASK) == EUCMASK);
}
inline int is_euc_byte(unsigned char c)
{
return(c >= 0xa1 && c <= 0xfe);
}
inline wchar make_euc_code(unsigned char ubyte, unsigned char lbyte)
{
wchar wc;
wc = (ubyte & 0xff) << 8;
wc |= (lbyte & 0xff);
return(wc);
}
inline unsigned int euc_ubyte(wchar wc)
{
return((unsigned int)((wc >> 8) & 0xff));
}
inline unsigned int euc_lbyte(wchar wc)
{
return((unsigned int)(wc & 0xff));
}
inline wchar calc_euccode(int ku, int ten)
{
wchar code = 0;
code = ((ku + WCTABLE_OFFSET) << 8) & 0xff00;
code |= (ten + WCTABLE_OFFSET) & 0xff;
return (code);
}
#endif /* _EUCMAC_H */
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