-/*
- * Copyright (C) 1994-1999, Index Data
- * All rights reserved.
- * Sebastian Hammer, Adam Dickmeiss
- *
- * $Log: rsisams.c,v $
- * Revision 1.2 1999-05-26 07:49:14 adam
- * C++ compilation.
- *
- * Revision 1.1 1999/05/12 15:24:25 adam
- * First version of ISAMS.
- *
- */
+/* $Id: rsisams.c,v 1.10 2004-08-24 14:25:16 heikki Exp $
+ Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002
+ Index Data Aps
+
+This file is part of the Zebra server.
+
+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 Zebra; see the file LICENSE.zebra. If not, write to the
+Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+02111-1307, USA.
+*/
+
+
#include <stdio.h>
#include <assert.h>
-#include <rsisams.h>
#include <zebrautl.h>
+#include <rsisams.h>
-static void *r_create(RSET ct, const struct rset_control *sel, void *parms);
static RSFD r_open (RSET ct, int flag);
static void r_close (RSFD rfd);
static void r_delete (RSET ct);
static void r_rewind (RSFD rfd);
-static int r_count (RSET ct);
-static int r_read (RSFD rfd, void *buf, int *term_index);
+static int r_read (RSFD rfd, void *buf);
static int r_write (RSFD rfd, const void *buf);
static const struct rset_control control =
{
"isams",
- r_create,
r_open,
r_close,
r_delete,
r_rewind,
- r_count,
+ rset_default_forward,
+ rset_default_pos,
r_read,
r_write,
};
struct rset_pp_info *ispt_list;
};
+
+RSET rsisams_create( NMEM nmem, int key_size,
+ int (*cmp)(const void *p1, const void *p2),
+ ISAMS is, ISAMS_P pos)
+{
+ RSET rnew=rset_create_base(&control, nmem);
+ struct rset_isams_info *info;
+ info = (struct rset_isams_info *) nmem_malloc(rnew->nmem,sizeof(*info));
+ assert(key_size); /* FIXME - these belong to the general rset */
+ assert(cmp);
+ info->is=is;
+ info->pos=pos;
+ info->ispt_list = NULL;
+ rnew->priv=info;
+ return rnew;
+}
+
+static void r_delete (RSET ct)
+{
+ struct rset_isams_info *info = (struct rset_isams_info *) ct->priv;
+
+ logf (LOG_DEBUG, "rsisams_delete");
+ assert (info->ispt_list == NULL);
+ /* xfree (info); */
+}
+
+#if 0
static void *r_create(RSET ct, const struct rset_control *sel, void *parms)
{
rset_isams_parms *pt = (struct rset_isams_parms *) parms;
struct rset_isams_info *info;
- ct->flags |= RSET_FLAG_VOLATILE;
info = (struct rset_isams_info *) xmalloc (sizeof(*info));
info->is = pt->is;
info->pos = pt->pos;
info->ispt_list = NULL;
- ct->no_rset_terms = 1;
- ct->rset_terms = (RSET_TERM *) xmalloc (sizeof(*ct->rset_terms));
- ct->rset_terms[0] = pt->rset_term;
return info;
}
+#endif
RSFD r_open (RSET ct, int flag)
{
- struct rset_isams_info *info = (struct rset_isams_info *) ct->buf;
+ struct rset_isams_info *info = (struct rset_isams_info *) ct->priv;
struct rset_pp_info *ptinfo;
logf (LOG_DEBUG, "risams_open");
if (flag & RSETF_WRITE)
{
- logf (LOG_FATAL, "ISAMS set type is read-only");
- return NULL;
+ logf (LOG_FATAL, "ISAMS set type is read-only");
+ return NULL;
}
ptinfo = (struct rset_pp_info *) xmalloc (sizeof(*ptinfo));
ptinfo->next = info->ispt_list;
info->ispt_list = ptinfo;
ptinfo->pt = isams_pp_open (info->is, info->pos);
ptinfo->info = info;
- if (ct->rset_terms[0]->nn < 0)
- ct->rset_terms[0]->nn = isams_pp_num (ptinfo->pt);
return ptinfo;
}
assert (0);
}
-static void r_delete (RSET ct)
-{
- struct rset_isams_info *info = (struct rset_isams_info *) ct->buf;
-
- logf (LOG_DEBUG, "rsisams_delete");
- assert (info->ispt_list == NULL);
- rset_term_destroy (ct->rset_terms[0]);
- xfree (ct->rset_terms);
- xfree (info);
-}
-
static void r_rewind (RSFD rfd)
{
logf (LOG_DEBUG, "rsisams_rewind");
abort ();
}
-static int r_count (RSET ct)
-{
- return 0;
-}
-static int r_read (RSFD rfd, void *buf, int *term_index)
+static int r_read (RSFD rfd, void *buf)
{
- *term_index = 0;
return isams_pp_read( ((struct rset_pp_info*) rfd)->pt, buf);
}