glibc/intl/hash-string.h

36 lines
1.3 KiB
C

/* Description of GNU message catalog format: string hashing function.
Copyright (C) 1995-2018 Free Software Foundation, Inc.
This program 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.
This program 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 this program. If not, see <http://www.gnu.org/licenses/>. */
/* @@ end of prolog @@ */
/* We assume to have `unsigned long int' value with at least 32 bits. */
#define HASHWORDBITS 32
#ifndef _LIBC
# ifdef IN_LIBINTL
# define __hash_string libintl_hash_string
# else
# define __hash_string hash_string
# endif
#endif
/* Defines the so called `hashpjw' function by P.J. Weinberger
[see Aho/Sethi/Ullman, COMPILERS: Principles, Techniques and Tools,
1986, 1987 Bell Telephone Laboratories, Inc.] */
extern unsigned long int __hash_string (const char *str_param)
attribute_hidden;