X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=rset%2Frsisams.c;h=79ee4f4f68f373355c26db2d576cc656375b4d3e;hb=8d47d759a2e957ada235ab83bf877f2eb0d2ab99;hp=1a3ec60fcf3f0e187eb79c6343e6536d8a8d7685;hpb=d9d2a1764247c9e849ecaa429054579367734191;p=idzebra-moved-to-github.git diff --git a/rset/rsisams.c b/rset/rsisams.c index 1a3ec60..79ee4f4 100644 --- a/rset/rsisams.c +++ b/rset/rsisams.c @@ -1,37 +1,48 @@ -/* - * Copyright (C) 1994-1999, Index Data - * All rights reserved. - * Sebastian Hammer, Adam Dickmeiss - * - * $Log: rsisams.c,v $ - * 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 #include -#include #include +#include -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, }; @@ -50,40 +61,62 @@ struct rset_isams_info { 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 = parms; + rset_isams_parms *pt = (struct rset_isams_parms *) parms; struct rset_isams_info *info; - ct->flags |= RSET_FLAG_VOLATILE; - info = xmalloc (sizeof(*info)); + 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 = 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 = 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 = xmalloc (sizeof(*ptinfo)); + 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; } @@ -104,31 +137,15 @@ static void r_close (RSFD rfd) assert (0); } -static void r_delete (RSET ct) -{ - struct rset_isams_info *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); }