/* Description of GNU message catalog format: string hashing function.
- Copyright (C) 1995, 1997-1998, 2000-2003, 2005 Free Software Foundation, Inc.
+ Copyright (C) 1995, 1997-1998, 2000-2003 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU Library General Public License as published
You should have received a copy of the GNU Library General Public
License along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
USA. */
/* @@ end of prolog @@ */
#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);
+static inline unsigned long int
+hash_string (const char *str_param)
+{
+ unsigned long int hval, g;
+ const char *str = str_param;
+
+ /* Compute the hash value for the given string. */
+ hval = 0;
+ while (*str != '\0')
+ {
+ hval <<= 4;
+ hval += (unsigned char) *str++;
+ g = hval & ((unsigned long int) 0xf << (HASHWORDBITS - 4));
+ if (g != 0)
+ {
+ hval ^= g >> (HASHWORDBITS - 8);
+ hval ^= g;
+ }
+ }
+ return hval;
+}