Return to cns11643_4.h CVS log

Up to [ELWIX - Embedded LightWeight unIX -] / embedaddon / libiconv / lib

Annotation of embedaddon/libiconv/lib/cns11643_4.h, revision 1.1

1.1     ! misho       1: /*
        !             2:  * Copyright (C) 1999-2001 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, write to the Free Software Foundation, Inc., 51 Franklin Street,
        !            18:  * Fifth Floor, Boston, MA 02110-1301, USA.
        !            19:  */
        !            20: 
        !            21: /*
        !            22:  * CNS 11643-1992 plane 4
        !            23:  */
        !            24: 
        !            25: /*
        !            26:  * The table has been split into two parts. Each part's entries fit it 16 bits.
        !            27:  * But the combined table would need 17 bits per entry.
        !            28:  */
        !            29: #include "cns11643_4a.h"
        !            30: #include "cns11643_4b.h"
        !            31: 
        !            32: static int
        !            33: cns11643_4_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n)
        !            34: {
        !            35:   unsigned char c1 = s[0];
        !            36:   if ((c1 >= 0x21 && c1 <= 0x6e)) {
        !            37:     if (n >= 2) {
        !            38:       unsigned char c2 = s[1];
        !            39:       if (c2 >= 0x21 && c2 < 0x7f) {
        !            40:         unsigned int i = 94 * (c1 - 0x21) + (c2 - 0x21);
        !            41:         ucs4_t wc = 0xfffd;
        !            42:         unsigned short swc;
        !            43:         {
        !            44:           if (i < 2914)
        !            45:             swc = cns11643_4a_2uni_page21[i],
        !            46:             wc = cns11643_4a_2uni_upages[swc>>8] | (swc & 0xff);
        !            47:           else if (i < 7298)
        !            48:             swc = cns11643_4b_2uni_page40[i-2914],
        !            49:             wc = cns11643_4b_2uni_upages[swc>>8] | (swc & 0xff);
        !            50:         }
        !            51:         if (wc != 0xfffd) {
        !            52:           *pwc = wc;
        !            53:           return 2;
        !            54:         }
        !            55:       }
        !            56:       return RET_ILSEQ;
        !            57:     }
        !            58:     return RET_TOOFEW(0);
        !            59:   }
        !            60:   return RET_ILSEQ;
        !            61: }