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reclj.c
Package: gnusql-0.7b5.1.tar.gz [view]
Upload User: dgyhgb
Upload Date: 2007-01-07
Package Size: 676k
Code Size: 2k
Category:
SQL Server
Development Platform:
Unix_Linux
- /*
- * reclj.c - Records in Logical Journal
- * Kernel of GNU SQL-server
- *
- * This file is a part of GNU SQL Server
- *
- * Copyright (c) 1996, 1997, Free Software Foundation, Inc
- * Developed at the Institute of System Programming
- * This file is written by Vera Ponomarenko
- *
- * This program 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 of the License, or
- * (at your option) any later version.
- *
- * This program 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Contacts: gss@ispras.ru
- *
- */
- /* $Id: reclj.c,v 1.246 1997/04/10 06:57:28 vera Exp $ */
- #include "destrn.h"
- #include "strml.h"
- #include "fdcltrn.h"
- #include "xmem.h"
- #define SZLJBF BD_PAGESIZE
- extern struct ADREC bllj;
- extern i4_t idtr;
- extern char *pbuflj;
- void
- wmlj (i4_t type, u2_t size, struct ADBL *cadlj, struct id_rel *idr,
- struct des_tid *tid, CPNM cpn)
- {
- char *a;
- bllj.razm = size;
- a = pbuflj;
- if (size > SZLJBF)
- fprintf (stderr,"TR.reclj: LJ's buffer is too small");
- *a++ = type;
- t4bpack (idtr, a);
- a += size4b;
- t2bpack (cadlj->npage, a);
- a += size2b;
- t2bpack (cadlj->cm, a);
- a += size2b;
- if (type == CPRLJ)
- {
- bcopy ((char *) &cpn, a, cpnsize);
- a += cpnsize;
- LJ_put (PUTHREC);
- }
- else if (type == RLBLJ)
- LJ_put (PUTHREC);
- else if (type == RLBLJ_AS_OP)
- LJ_put (PUTREC);
- else
- {
- t2bpack (idr->urn.segnum, a);
- a += size2b;
- t4bpack (idr->urn.obnum, a);
- a += size4b;
- t2bpack (idr->pagenum, a);
- a += size2b;
- t2bpack (idr->index, a);
- a += size2b;
- t2bpack (tid->tpn, a);
- a += size2b;
- t2bpack (tid->tindex, a);
- a += size2b;
- LJ_put (PUTREC);
- }
- }