File: bset.h

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/* This file is part of the Zebra server.
   Copyright (C) Index Data

Zebra 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, or (at your option) any later
version.

Zebra 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

*/

#ifndef BSET_H
#define BSET_H

#include <yaz/yconfig.h>

YAZ_BEGIN_CDECL

typedef unsigned short BSetWord;
typedef BSetWord *BSet;

typedef struct BSetHandle_ {
    unsigned size;        /* size of set in members */
    unsigned wsize;       /* size of individual set (in BSetWord)*/
    unsigned offset;      /* offset in current set block */
    unsigned chunk;       /* chunk, i.e. size of each block */
    struct BSetHandle_ *setchain;
    BSetWord setarray[1];
} BSetHandle;

BSetHandle *mk_BSetHandle (int size, int chunk);
void       rm_BSetHandle  (BSetHandle **shp);
int        inf_BSetHandle (BSetHandle *sh, long *used, long *alloc);
BSet       cp_BSet        (BSetHandle *sh, BSet dst, BSet src);
void       add_BSet       (BSetHandle *sh, BSet dst, unsigned member);
void       union_BSet     (BSetHandle *sh, BSet dst, BSet src);
BSet       mk_BSet        (BSetHandle **shp);
void       rm_BSet        (BSetHandle **shp);
void       res_BSet       (BSetHandle *sh, BSet dst);
void       com_BSet       (BSetHandle *sh, BSet dst);
void       pr_BSet        (BSetHandle *sh, BSet src);
unsigned   test_BSet      (BSetHandle *sh, BSet src, unsigned member);
int        trav_BSet      (BSetHandle *sh, BSet src, unsigned member);
int        travi_BSet     (BSetHandle *sh, BSet src, unsigned member);
unsigned   hash_BSet      (BSetHandle *sh, BSet src);
int        eq_BSet        (BSetHandle *sh, BSet dst, BSet src);
void       pr_charBSet    (BSetHandle *sh, BSet src, void (*f)(int));

YAZ_END_CDECL

#endif
/*
 * Local variables:
 * c-basic-offset: 4
 * c-file-style: "Stroustrup"
 * indent-tabs-mode: nil
 * End:
 * vim: shiftwidth=4 tabstop=8 expandtab
 */