text: /*
   * 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., 59 Temple Place -
   * Suite 330, Boston, MA 02111-1307, USA.
   */
  
  /*
   * CP949 is EUC-KR, extended with UHC (Unified Hangul Code).
   */
  
  #ifndef _CP949_H_
  #define _CP949_H_
  
  #include "uhc_1.h"
  #include "uhc_2.h"
  
  static int
  cp949_mbtowc (ucs4_t *pwc, const unsigned char *s, int n)
  {
    unsigned char c = *s;
    /* Code set 0 (ASCII) */
    if (c < 0x80)
      return ascii_mbtowc(pwc,s,n);
    /* UHC part 1 */
    if (c >= 0x81 && c <= 0xa0)
      return uhc_1_mbtowc(pwc,s,n);
    if (c >= 0xa1 && c < 0xff) {
      if (n < 2)
        return RET_TOOFEW(0);
      {
        unsigned char c2 = s[1];
        if (c2 < 0xa1)
          /* UHC part 2 */
          return uhc_2_mbtowc(pwc,s,n);
        else if (c2 < 0xff) {
          /* Code set 1 (KS C 5601-1992) */
          unsigned char buf[2];
          buf[0] = c-0x80; buf[1] = c2-0x80;
          return ksc5601_mbtowc(pwc,buf,2);
        }
      }
    }
    return RET_ILSEQ;
  }
  
  static int
  cp949_wctomb (unsigned char *r, ucs4_t wc, int n)
  {
    unsigned char buf[2];
    int ret;
  
    /* Code set 0 (ASCII) */
    ret = ascii_wctomb(r,wc,n);
    if (ret != RET_ILUNI)
      return ret;
  
    /* Code set 1 (KS C 5601-1992) */
    ret = ksc5601_wctomb(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;
    }
  
    /* UHC */
    if (wc >= 0xac00 && wc < 0xd7a4) {
      if (wc < 0xc8a5)
        return uhc_1_wctomb(r,wc,n);
      else
        return uhc_2_wctomb(r,wc,n);
    }
  
    return RET_ILUNI;
  }
  
  #endif
  