intl/hash-string.h

   1 /* Description of GNU message catalog format: string hashing function.
   2    Copyright (C) 1995, 1997-1998, 2000-2003, 2005 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 Library General Public License as published
   6    by the Free Software Foundation; either version 2, or (at your option)
   7    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    Library General Public License for more details.
  13
  14    You should have received a copy of the GNU Library General Public
  15    License along with this program; if not, write to the Free Software
  16    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  17    USA.  */
  18
  19 /* @@ end of prolog @@ */
  20
  21 /* We assume to have `unsigned long int' value with at least 32 bits.  */
  22 #define HASHWORDBITS 32
  23
  24
  25 #ifndef _LIBC
  26 # ifdef IN_LIBINTL
  27 #  define __hash_string libintl_hash_string
  28 # else
  29 #  define __hash_string hash_string
  30 # endif
  31 #endif
  32
  33 /* Defines the so called `hashpjw' function by P.J. Weinberger
  34    [see Aho/Sethi/Ullman, COMPILERS: Principles, Techniques and Tools,
  35    1986, 1987 Bell Telephone Laboratories, Inc.]  */
  36 extern unsigned long int __hash_string (const char *str_param);