lyx_mirror/3rdparty/libiconv/1.15/lib/jisx0201.h

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/*
* Copyright (C) 1999-2001, 2016 Free Software Foundation, Inc.
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* This file is part of the GNU LIBICONV Library.
*
* The GNU LIBICONV Library is free software; you can redistribute it
* and/or modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* The GNU LIBICONV Library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with the GNU LIBICONV Library; see the file COPYING.LIB.
* If not, see <http://www.gnu.org/licenses/>.
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*/
/*
* JISX0201.1976-0
*/
static int
jisx0201_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, size_t n)
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{
unsigned char c = *s;
if (c < 0x80) {
if (c == 0x5c)
*pwc = (ucs4_t) 0x00a5;
else if (c == 0x7e)
*pwc = (ucs4_t) 0x203e;
else
*pwc = (ucs4_t) c;
return 1;
} else {
if (c >= 0xa1 && c < 0xe0) {
*pwc = (ucs4_t) c + 0xfec0;
return 1;
}
}
return RET_ILSEQ;
}
static int
jisx0201_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, size_t n)
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{
if (wc < 0x0080 && !(wc == 0x005c || wc == 0x007e)) {
*r = wc;
return 1;
}
if (wc == 0x00a5) {
*r = 0x5c;
return 1;
}
if (wc == 0x203e) {
*r = 0x7e;
return 1;
}
if (wc >= 0xff61 && wc < 0xffa0) {
*r = wc - 0xfec0;
return 1;
}
return RET_ILUNI;
}