thodg/libiconv/lib/ucs2be.h

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• Hash : e54fc9c1
  Author :
  Date : 2018-09-17T18:28:56
  

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• lib/ucs2be.h

• /*
   * Copyright (C) 1999-2001, 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 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, see <https://www.gnu.org/licenses/>.
   */
  
  /*
   * UCS-2BE = UCS-2 big endian
   */
  
  static int
  ucs2be_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, size_t n)
  {
    if (n >= 2) {
      if (s[0] >= 0xd8 && s[0] < 0xe0) {
        return RET_ILSEQ;
      } else {
        *pwc = (s[0] << 8) + s[1];
        return 2;
      }
    }
    return RET_TOOFEW(0);
  }
  
  static int
  ucs2be_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, size_t n)
  {
    if (wc < 0x10000 && !(wc >= 0xd800 && wc < 0xe000)) {
      if (n >= 2) {
        r[0] = (unsigned char) (wc >> 8);
        r[1] = (unsigned char) wc;
        return 2;
      } else
        return RET_TOOSMALL;
    }
    return RET_ILUNI;
  }
  

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