| /* |
| * Copyright (C) 1999-2001 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 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, write to the Free Software Foundation, Inc., 51 Franklin Street, |
| * Fifth Floor, Boston, MA 02110-1301, USA. |
| */ |
| |
| /* |
| * CNS 11643-1992 plane 4 |
| */ |
| |
| /* |
| * The table has been split into two parts. Each part's entries fit it 16 bits. |
| * But the combined table would need 17 bits per entry. |
| */ |
| #include "cns11643_4a.h" |
| #include "cns11643_4b.h" |
| |
| static int |
| cns11643_4_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n) |
| { |
| unsigned char c1 = s[0]; |
| if ((c1 >= 0x21 && c1 <= 0x6e)) { |
| if (n >= 2) { |
| unsigned char c2 = s[1]; |
| if (c2 >= 0x21 && c2 < 0x7f) { |
| unsigned int i = 94 * (c1 - 0x21) + (c2 - 0x21); |
| ucs4_t wc = 0xfffd; |
| unsigned short swc; |
| { |
| if (i < 2914) |
| swc = cns11643_4a_2uni_page21[i], |
| wc = cns11643_4a_2uni_upages[swc>>8] | (swc & 0xff); |
| else if (i < 7298) |
| swc = cns11643_4b_2uni_page40[i-2914], |
| wc = cns11643_4b_2uni_upages[swc>>8] | (swc & 0xff); |
| } |
| if (wc != 0xfffd) { |
| *pwc = wc; |
| return 2; |
| } |
| } |
| return RET_ILSEQ; |
| } |
| return RET_TOOFEW(0); |
| } |
| return RET_ILSEQ; |
| } |