/* * Copyright (C) 1999-2001 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, write to the Free Software Foundation, Inc., 51 Franklin Street, * Fifth Floor, Boston, MA 02110-1301, USA. */ /* * UCS-2-SWAPPED = UCS-2-INTERNAL with inverted endianness */ static int ucs2swapped_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n) { /* This function assumes that 'unsigned short' has exactly 16 bits. */ if (sizeof(unsigned short) != 2) abort(); if (n >= 2) { unsigned short x = *(const unsigned short *)s; x = (x >> 8) | (x << 8); if (x >= 0xd800 && x < 0xe000) { return RET_ILSEQ; } else { *pwc = x; return 2; } } return RET_TOOFEW(0); } static int ucs2swapped_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n) { /* This function assumes that 'unsigned short' has exactly 16 bits. */ if (sizeof(unsigned short) != 2) abort(); if (wc < 0x10000 && !(wc >= 0xd800 && wc < 0xe000)) { if (n >= 2) { unsigned short x = wc; x = (x >> 8) | (x << 8); *(unsigned short *)r = x; return 2; } else return RET_TOOSMALL; } else return RET_ILUNI; }