1 /* $Id: rsisamc.c,v 1.23 2004-08-31 10:43:39 heikki 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
32 static RSFD r_open (RSET ct, int flag);
33 static void r_close (RSFD rfd);
34 static void r_delete (RSET ct);
35 static void r_rewind (RSFD rfd);
36 static int r_read (RSFD rfd, void *buf);
37 static int r_write (RSFD rfd, const void *buf);
38 static void r_pos (RSFD rfd, double *current, double *total);
40 static const struct rset_control control =
53 const struct rset_control *rset_kind_isamc = &control;
57 struct rset_pp_info *next;
58 struct rset_isamc_info *info;
62 struct rset_isamc_info {
66 int (*cmp)(const void *p1, const void *p2);
67 struct rset_pp_info *ispt_list;
68 struct rset_pp_info *free_list;
71 RSET rsisamc_create( NMEM nmem, int key_size,
72 int (*cmp)(const void *p1, const void *p2),
73 ISAMC is, ISAMC_P pos)
75 RSET rnew=rset_create_base(&control, nmem);
76 struct rset_isamc_info *info;
77 info = (struct rset_isamc_info *) nmem_malloc(rnew->nmem,sizeof(*info));
78 info->key_size = key_size;
80 info->ispt_list = NULL;
81 info->free_list = NULL;
88 static void r_delete (RSET ct)
90 struct rset_isamc_info *info = (struct rset_isamc_info *) ct->priv;
92 logf (LOG_DEBUG, "rsisamc_delete");
93 assert (info->ispt_list == NULL);
97 RSFD r_open (RSET ct, int flag)
99 struct rset_isamc_info *info = (struct rset_isamc_info *) ct->priv;
101 struct rset_pp_info *ptinfo;
103 logf (LOG_DEBUG, "risamc_open");
104 if (flag & RSETF_WRITE)
106 logf (LOG_FATAL, "ISAMC set type is read-only");
109 rfd = rfd_create_base(ct);
111 ptinfo=(struct rset_pp_info *)rfd->priv;
113 ptinfo = (struct rset_pp_info *) nmem_malloc (ct->nmem,sizeof(*ptinfo));
115 ptinfo->buf = nmem_malloc (ct->nmem,info->key_size);
120 static void r_close (RSFD rfd)
122 struct rset_pp_info *p=(struct rset_pp_info *)(rfd->priv);
124 isc_pp_close (p->pt);
125 rfd_delete_base(rfd);
129 static void r_rewind (RSFD rfd)
131 logf (LOG_DEBUG, "rsisamc_rewind");
135 static int r_read (RSFD rfd, void *buf)
137 struct rset_pp_info *p=(struct rset_pp_info *)(rfd->priv);
139 r = isc_pp_read(p->pt, buf);
143 static int r_write (RSFD rfd, const void *buf)
145 logf (LOG_FATAL, "ISAMC set type is read-only");
149 static void r_pos (RSFD rfd, double *current, double *total)
151 *current=-1; /* sorry, not implemented yet */