1 /* $Id: isamc.h,v 1.13 2004-08-04 08:35:23 adam Exp $
2 Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002,2003,2004
5 This file is part of the Zebra server.
7 Zebra is free software; you can redistribute it and/or modify it under
8 the terms of the GNU General Public License as published by the Free
9 Software Foundation; either version 2, or (at your option) any later
12 Zebra is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17 You should have received a copy of the GNU General Public License
18 along with Zebra; see the file LICENSE.zebra. If not, write to the
19 Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
26 #include <isam-codec.h>
31 typedef struct ISAMC_s *ISAMC;
33 typedef struct ISAMC_PP_s *ISAMC_PP;
35 typedef struct ISAMC_filecat_s {
36 int bsize; /* block size */
37 int ifill; /* initial fill */
38 int mfill; /* minimum fill */
39 int mblocks; /* maximum blocks */
42 typedef struct ISAMC_M_s {
43 ISAMC_filecat filecat;
45 int (*compare_item)(const void *a, const void *b);
46 void (*log_item)(int logmask, const void *p, const char *txt);
54 typedef struct ISAMC_I_s {
55 int (*read_item)(void *clientData, char **dst, int *insertMode);
59 void isc_getmethod (ISAMC_M *m);
61 ISAMC isc_open (BFiles bfs, const char *name, int writeflag, ISAMC_M *method);
62 int isc_close (ISAMC is);
63 ISAMC_P isc_merge (ISAMC is, ISAMC_P pos, ISAMC_I *data);
65 ISAMC_PP isc_pp_open (ISAMC is, ISAMC_P pos);
66 void isc_pp_close (ISAMC_PP pp);
67 int isc_read_item (ISAMC_PP pp, char **dst);
68 int isc_pp_read (ISAMC_PP pp, void *buf);
69 zint isc_pp_num (ISAMC_PP pp);
71 zint isc_block_used (ISAMC is, int type);
72 int isc_block_size (ISAMC is, int type);
74 #define isc_type(x) ((x) & 7)
75 #define isc_block(x) ((x) >> 3)