| /* |
| * Copyright (C) 2001, 2016 Free Software Foundation, Inc. |
| * 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 Lesser General Public |
| * License as published by the Free Software Foundation; either version 2.1 |
| * 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 |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with the GNU LIBICONV Library; see the file COPYING.LIB. |
| * If not, see <https://www.gnu.org/licenses/>. |
| */ |
| |
| /* |
| * DEC-KANJI |
| */ |
| |
| static int |
| dec_kanji_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, size_t n) |
| { |
| unsigned char c = *s; |
| /* Code set 0 (ASCII or JIS X 0201-1976 Roman) */ |
| if (c < 0x80) |
| return ascii_mbtowc(conv,pwc,s,n); |
| /* Code set 1 (JIS X 0208) */ |
| if (c >= 0xa1 && c < 0xf5) { |
| if (n < 2) |
| return RET_TOOFEW(0); |
| { |
| unsigned char c2 = s[1]; |
| if (c2 >= 0xa1 && c2 < 0xff) { |
| unsigned char buf[2]; |
| buf[0] = c-0x80; buf[1] = c2-0x80; |
| return jisx0208_mbtowc(conv,pwc,buf,2); |
| } |
| } |
| } |
| return RET_ILSEQ; |
| } |
| |
| static int |
| dec_kanji_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, size_t n) |
| { |
| unsigned char buf[2]; |
| int ret; |
| |
| /* Code set 0 (ASCII or JIS X 0201-1976 Roman) */ |
| ret = ascii_wctomb(conv,r,wc,n); |
| if (ret != RET_ILUNI) |
| return ret; |
| |
| /* Code set 1 (JIS X 0208) */ |
| ret = jisx0208_wctomb(conv,buf,wc,2); |
| if (ret != RET_ILUNI) { |
| if (ret != 2) abort(); |
| if (n < 2) |
| return RET_TOOSMALL; |
| r[0] = buf[0]+0x80; |
| r[1] = buf[1]+0x80; |
| return 2; |
| } |
| |
| return RET_ILUNI; |
| } |