1 /* 2 * Copyright (C) 1999-2000 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-4LE = UCS-4 little endian 23 */ 24 25 static int 26 ucs4le_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n) 27 { 28 if (n >= 4) { 29 *pwc = s[0] + (s[1] << 8) + (s[2] << 16) + (s[3] << 24); 30 return 4; 31 } 32 return RET_TOOFEW(0); 33 } 34 35 static int 36 ucs4le_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n) 37 { 38 if (n >= 4) { 39 r[0] = (unsigned char) wc; 40 r[1] = (unsigned char) (wc >> 8); 41 r[2] = (unsigned char) (wc >> 16); 42 r[3] = (unsigned char) (wc >> 24); 43 return 4; 44 } else 45 return RET_TOOSMALL; 46 } 47