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c84142e8 | 1 | /* Implements a string hashing function. |
dd9423a6 | 2 | Copyright (C) 1995, 1997, 1998, 2000, 2003 Free Software Foundation, Inc. |
41bdb6e2 | 3 | This file is part of the GNU C Library. |
24906b43 | 4 | |
c84142e8 | 5 | The GNU C Library is free software; you can redistribute it and/or |
41bdb6e2 AJ |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
0393dfd6 | 9 | |
c84142e8 UD |
10 | The GNU C Library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 13 | Lesser General Public License for more details. |
24906b43 | 14 | |
41bdb6e2 | 15 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 PE |
16 | License along with the GNU C Library; if not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
24906b43 | 18 | |
24906b43 RM |
19 | /* @@ end of prolog @@ */ |
20 | ||
be10a868 | 21 | #ifndef PARAMS |
0f131646 | 22 | # if __STDC__ || defined __GNUC__ || defined __SUNPRO_C || defined __cplusplus || __PROTOTYPES |
be10a868 RM |
23 | # define PARAMS(Args) Args |
24 | # else | |
25 | # define PARAMS(Args) () | |
26 | # endif | |
24906b43 RM |
27 | #endif |
28 | ||
be10a868 RM |
29 | /* We assume to have `unsigned long int' value with at least 32 bits. */ |
30 | #define HASHWORDBITS 32 | |
31 | ||
24906b43 RM |
32 | |
33 | /* Defines the so called `hashpjw' function by P.J. Weinberger | |
34 | [see Aho/Sethi/Ullman, COMPILERS: Principles, Techniques and Tools, | |
be10a868 | 35 | 1986, 1987 Bell Telephone Laboratories, Inc.] */ |
dd9423a6 UD |
36 | extern unsigned long int __hash_string PARAMS ((const char *__str_param)) |
37 | attribute_hidden; |