kc3-lang/libiconv/lib/ces_gbk.h

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• Hash : 91f96be0
  Author :
  Date : 2021-06-06T11:51:12
  

  Change the license of the library from LGPL 2.0 to LGPL 2.1.
  

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• lib/ces_gbk.h

• /*
   * Copyright (C) 1999-2001, 2005, 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/>.
   */
  
  /*
   * GBK
   */
  
  static int
  ces_gbk_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, size_t n)
  {
    unsigned char c = *s;
  
    /* Code set 0 (ASCII or GB 1988-89) */
    if (c < 0x80)
      return ascii_mbtowc(conv,pwc,s,n);
    /* Code set 1 (GBK) */
    if (c >= 0x81 && c < 0xff) {
      if (n < 2)
        return RET_TOOFEW(0);
      return gbk_mbtowc(conv,pwc,s,2);
    }
    return RET_ILSEQ;
  }
  
  static int
  ces_gbk_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, size_t n)
  {
    unsigned char buf[2];
    int ret;
  
    /* Code set 0 (ASCII or GB 1988-89) */
    ret = ascii_wctomb(conv,r,wc,n);
    if (ret != RET_ILUNI)
      return ret;
  
    /* Code set 1 (GBK) */
    ret = gbk_wctomb(conv,buf,wc,2);
    if (ret != RET_ILUNI) {
      if (ret != 2) abort();
      if (n < 2)
        return RET_TOOSMALL;
      r[0] = buf[0];
      r[1] = buf[1];
      return 2;
    }
  
    return RET_ILUNI;
  }
  

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