khtml/misc/seed.h

   1 /*
   2  * A simple hash seed chooser.
   3  *
   4  * Copyright (C) 2003 Germain Garand <germain@ebooksfrance.org>
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Library General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Library General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Library General Public License
  17  * along with this library; see the file COPYING.LIB.  If not, write to
  18  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  19  * Boston, MA 02110-1301, USA.
  20  *
  21  */
  22
  23 #ifndef html_seed_h
  24 #define html_seed_h
  25
  26 #define khtml_MaxSeed 47963
  27
  28 namespace khtml {
  29
  30 static const int primes_t[] =
  31 {
  32     31,    61,   107,   233,   353,   541,
  33    821,  1237,  1861,  2797,  4201,  6311,
  34   9467, 14207, 21313, 31973, 47963,  0
  35 };
  36
  37 static inline int nextSeed(int curSize) {
  38     for (int i = 0 ; primes_t[i] ; i++)
  39         if (primes_t[i] > curSize)
  40             return primes_t[i];
  41     return curSize;
  42 }
  43
  44 } // namespace
  45
  46 #endif