gl/hash-pjw-bare.h

   1 /* hash-pjw-bare.h -- declaration for a simple hash function
   2    Copyright (C) 2012 Free Software Foundation, Inc.
   3
   4    This program is free software: you can redistribute it and/or modify it
   5    under the terms of the GNU General Public License as published
   6    by the Free Software Foundation; either version 3 of the License, or
   7    (at your option) any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  16
  17 #include <stddef.h>
  18
  19 /* Compute a hash code for a buffer starting at X and of size N,
  20    and return the hash code.  Note that unlike hash_pjw(), it does not
  21    return it modulo a table size.
  22    The result is platform dependent: it depends on the size of the 'size_t'
  23    type and on the signedness of the 'char' type.  */
  24 extern size_t hash_pjw_bare (const void *x, size_t n) _GL_ATTRIBUTE_PURE;