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Annotation of embedaddon/libiconv/lib/ucs2be.h, revision 1.1.1.1

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:  * UCS-2BE = UCS-2 big endian
                     23:  */
                     24: 
                     25: static int
                     26: ucs2be_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n)
                     27: {
                     28:   if (n >= 2) {
                     29:     if (s[0] >= 0xd8 && s[0] < 0xe0) {
                     30:       return RET_ILSEQ;
                     31:     } else {
                     32:       *pwc = (s[0] << 8) + s[1];
                     33:       return 2;
                     34:     }
                     35:   }
                     36:   return RET_TOOFEW(0);
                     37: }
                     38: 
                     39: static int
                     40: ucs2be_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
                     41: {
                     42:   if (wc < 0x10000 && !(wc >= 0xd800 && wc < 0xe000)) {
                     43:     if (n >= 2) {
                     44:       r[0] = (unsigned char) (wc >> 8);
                     45:       r[1] = (unsigned char) wc;
                     46:       return 2;
                     47:     } else
                     48:       return RET_TOOSMALL;
                     49:   }
                     50:   return RET_ILUNI;
                     51: }