hash.h

来自「CC386 is a general-purpose 32-bit C comp」· C头文件 代码 · 共 55 行

/* 
Copyright 1994-2003 Free Software Foundation, Inc.

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 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 General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA.  

This program is derived from the cc68k complier by 
Matthew Brandt ([e-mail]) 

You may contact the author of this derivative at:

mailto::[e-mail]

or by snail mail at:

David Lindauer
850 Washburn Ave Apt 99
Louisville, KY 40222
 */
#ifndef _HASH_H
    #define _HASH_H

    /* Local hash table functions.  Librarian uses a different set of functions */
    /* Size is a prime number */
    #define HASHSIZE 1021

    /* Rotations in C */
    #define ROTR(x,bits) (((x << (16 - bits)) | (x >> bits)) & 0xffff)
    #define ROTL(x,bits) (((x << bits) | (x >> (16 - bits))) & 0xffff)

    /* Hash table record definition, all entries in a hash table must be
     * structures with the first two elements as given because hash table
     * entries are sometimes handled generically */
    typedef struct _hashrec_
    {
        struct _hashrec_ *link; /* Link to next element in list */
        char *key; /* Full key */
    } HASHREC;

    #include "hash.p"

#endif _HASH_H