/* Copyright (C) 2000, 2003 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Bruno Haible <haible@clisp.cons.org>, 2000. The GNU C 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 C 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 C Library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ #include <stdint.h> /* Lookup in a table of int32_t, with default value 0. */ int32_t internal_function __collidx_table_lookup (const char *table, uint32_t wc) { uint32_t shift1 = ((const uint32_t *) table)[0]; uint32_t index1 = wc >> shift1; uint32_t bound = ((const uint32_t *) table)[1]; if (index1 < bound) { uint32_t lookup1 = ((const uint32_t *) table)[5 + index1]; if (lookup1 != 0) { uint32_t shift2 = ((const uint32_t *) table)[2]; uint32_t mask2 = ((const uint32_t *) table)[3]; uint32_t index2 = (wc >> shift2) & mask2; uint32_t lookup2 = ((const uint32_t *)(table + lookup1))[index2]; if (lookup2 != 0) { uint32_t mask3 = ((const uint32_t *) table)[4]; uint32_t index3 = wc & mask3; int32_t lookup3 = ((const int32_t *)(table + lookup2))[index3]; return lookup3; } } } return 0; } /* Lookup in a table of uint32_t, with default value 0xffffffff. */ uint32_t internal_function __collseq_table_lookup (const char *table, uint32_t wc) { uint32_t shift1 = ((const uint32_t *) table)[0]; uint32_t index1 = wc >> shift1; uint32_t bound = ((const uint32_t *) table)[1]; if (index1 < bound) { uint32_t lookup1 = ((const uint32_t *) table)[5 + index1]; if (lookup1 != 0) { uint32_t shift2 = ((const uint32_t *) table)[2]; uint32_t mask2 = ((const uint32_t *) table)[3]; uint32_t index2 = (wc >> shift2) & mask2; uint32_t lookup2 = ((const uint32_t *)(table + lookup1))[index2]; if (lookup2 != 0) { uint32_t mask3 = ((const uint32_t *) table)[4]; uint32_t index3 = wc & mask3; uint32_t lookup3 = ((const uint32_t *)(table + lookup2))[index3]; return lookup3; } } } return ~((uint32_t) 0); }