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libiconv 1.16

    1: /*
    2:  * Copyright (C) 1999-2002, 2016 Free Software Foundation, Inc.
    3:  * This file is part of the GNU LIBICONV Library.
    4:  *
    5:  * The GNU LIBICONV Library is free software; you can redistribute it
    6:  * and/or modify it under the terms of the GNU Library General Public
    7:  * License as published by the Free Software Foundation; either version 2
    8:  * of the License, or (at your option) any later version.
    9:  *
   10:  * The GNU LIBICONV Library is distributed in the hope that it will be
   11:  * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
   12:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   13:  * Library General Public License for more details.
   14:  *
   15:  * You should have received a copy of the GNU Library General Public
   16:  * License along with the GNU LIBICONV Library; see the file COPYING.LIB.
   17:  * If not, see <https://www.gnu.org/licenses/>.
   18:  */
   19: 
   20: /*
   21:  * ARMSCII-8
   22:  */
   23: 
   24: static const unsigned short armscii_8_2uni[96] = {
   25:   /* 0xa0 */
   26:   0x00a0, 0xfffd, 0x0587, 0x0589, 0x0029, 0x0028, 0x00bb, 0x00ab,
   27:   0x2014, 0x002e, 0x055d, 0x002c, 0x002d, 0x058a, 0x2026, 0x055c,
   28:   /* 0xb0 */
   29:   0x055b, 0x055e, 0x0531, 0x0561, 0x0532, 0x0562, 0x0533, 0x0563,
   30:   0x0534, 0x0564, 0x0535, 0x0565, 0x0536, 0x0566, 0x0537, 0x0567,
   31:   /* 0xc0 */
   32:   0x0538, 0x0568, 0x0539, 0x0569, 0x053a, 0x056a, 0x053b, 0x056b,
   33:   0x053c, 0x056c, 0x053d, 0x056d, 0x053e, 0x056e, 0x053f, 0x056f,
   34:   /* 0xd0 */
   35:   0x0540, 0x0570, 0x0541, 0x0571, 0x0542, 0x0572, 0x0543, 0x0573,
   36:   0x0544, 0x0574, 0x0545, 0x0575, 0x0546, 0x0576, 0x0547, 0x0577,
   37:   /* 0xe0 */
   38:   0x0548, 0x0578, 0x0549, 0x0579, 0x054a, 0x057a, 0x054b, 0x057b,
   39:   0x054c, 0x057c, 0x054d, 0x057d, 0x054e, 0x057e, 0x054f, 0x057f,
   40:   /* 0xf0 */
   41:   0x0550, 0x0580, 0x0551, 0x0581, 0x0552, 0x0582, 0x0553, 0x0583,
   42:   0x0554, 0x0584, 0x0555, 0x0585, 0x0556, 0x0586, 0x055a, 0xfffd,
   43: };
   44: 
   45: static int
   46: armscii_8_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, size_t n)
   47: {
   48:   unsigned char c = *s;
   49:   if (c < 0xa0) {
   50:     *pwc = (ucs4_t) c;
   51:     return 1;
   52:   }
   53:   else {
   54:     unsigned short wc = armscii_8_2uni[c-0xa0];
   55:     if (wc != 0xfffd) {
   56:       *pwc = (ucs4_t) wc;
   57:       return 1;
   58:     }
   59:   }
   60:   return RET_ILSEQ;
   61: }
   62: 
   63: static const unsigned char armscii_8_page00[8] = {
   64:   0xa5, 0xa4, 0x2a, 0x2b, 0xab, 0xac, 0xa9, 0x2f, /* 0x28-0x2f */
   65: };
   66: static const unsigned char armscii_8_page00_1[32] = {
   67:   0xa0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa0-0xa7 */
   68:   0x00, 0x00, 0x00, 0xa7, 0x00, 0x00, 0x00, 0x00, /* 0xa8-0xaf */
   69:   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xb0-0xb7 */
   70:   0x00, 0x00, 0x00, 0xa6, 0x00, 0x00, 0x00, 0x00, /* 0xb8-0xbf */
   71: };
   72: static const unsigned char armscii_8_page05[96] = {
   73:   0x00, 0xb2, 0xb4, 0xb6, 0xb8, 0xba, 0xbc, 0xbe, /* 0x30-0x37 */
   74:   0xc0, 0xc2, 0xc4, 0xc6, 0xc8, 0xca, 0xcc, 0xce, /* 0x38-0x3f */
   75:   0xd0, 0xd2, 0xd4, 0xd6, 0xd8, 0xda, 0xdc, 0xde, /* 0x40-0x47 */
   76:   0xe0, 0xe2, 0xe4, 0xe6, 0xe8, 0xea, 0xec, 0xee, /* 0x48-0x4f */
   77:   0xf0, 0xf2, 0xf4, 0xf6, 0xf8, 0xfa, 0xfc, 0x00, /* 0x50-0x57 */
   78:   0x00, 0x00, 0xfe, 0xb0, 0xaf, 0xaa, 0xb1, 0x00, /* 0x58-0x5f */
   79:   0x00, 0xb3, 0xb5, 0xb7, 0xb9, 0xbb, 0xbd, 0xbf, /* 0x60-0x67 */
   80:   0xc1, 0xc3, 0xc5, 0xc7, 0xc9, 0xcb, 0xcd, 0xcf, /* 0x68-0x6f */
   81:   0xd1, 0xd3, 0xd5, 0xd7, 0xd9, 0xdb, 0xdd, 0xdf, /* 0x70-0x77 */
   82:   0xe1, 0xe3, 0xe5, 0xe7, 0xe9, 0xeb, 0xed, 0xef, /* 0x78-0x7f */
   83:   0xf1, 0xf3, 0xf5, 0xf7, 0xf9, 0xfb, 0xfd, 0xa2, /* 0x80-0x87 */
   84:   0x00, 0xa3, 0xad, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x88-0x8f */
   85: };
   86: static const unsigned char armscii_8_page20[24] = {
   87:   0x00, 0x00, 0x00, 0x00, 0xa8, 0x00, 0x00, 0x00, /* 0x10-0x17 */
   88:   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x18-0x1f */
   89:   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xae, 0x00, /* 0x20-0x27 */
   90: };
   91: 
   92: static int
   93: armscii_8_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, size_t n)
   94: {
   95:   unsigned char c = 0;
   96:   if (wc < 0x0028) {
   97:     *r = wc;
   98:     return 1;
   99:   }
  100:   else if (wc >= 0x0028 && wc < 0x0030)
  101:     c = armscii_8_page00[wc-0x0028];
  102:   else if (wc >= 0x0030 && wc < 0x00a0)
  103:     c = wc;
  104:   else if (wc >= 0x00a0 && wc < 0x00c0)
  105:     c = armscii_8_page00_1[wc-0x00a0];
  106:   else if (wc >= 0x0530 && wc < 0x0590)
  107:     c = armscii_8_page05[wc-0x0530];
  108:   else if (wc >= 0x2010 && wc < 0x2028)
  109:     c = armscii_8_page20[wc-0x2010];
  110:   if (c != 0) {
  111:     *r = c;
  112:     return 1;
  113:   }
  114:   return RET_ILUNI;
  115: }