| /* |
| * 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 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/>. |
| */ |
| |
| /* |
| * UCS-2LE = UCS-2 little endian |
| */ |
| |
| static int |
| ucs2le_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, size_t n) |
| { |
| if (n >= 2) { |
| if (s[1] >= 0xd8 && s[1] < 0xe0) { |
| return RET_ILSEQ; |
| } else { |
| *pwc = s[0] + (s[1] << 8); |
| return 2; |
| } |
| } |
| return RET_TOOFEW(0); |
| } |
| |
| static int |
| ucs2le_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; |
| r[1] = (unsigned char) (wc >> 8); |
| return 2; |
| } else |
| return RET_TOOSMALL; |
| } |
| return RET_ILUNI; |
| } |