#include "db_config.h"
#ifndef lint
static const char revid[] = "$Id: bt_conv.c,v 1.2 2004/03/30 01:21:12 jtownsen Exp $";
#endif
#ifndef NO_SYSTEM_INCLUDES
#include <sys/types.h>
#endif
#include "db_int.h"
#include "dbinc/db_page.h"
#include "dbinc/db_swap.h"
#include "dbinc/btree.h"
int
__bam_pgin(dbenv, dummydbp, pg, pp, cookie)
DB_ENV *dbenv;
DB *dummydbp;
db_pgno_t pg;
void *pp;
DBT *cookie;
{
DB_PGINFO *pginfo;
PAGE *h;
pginfo = (DB_PGINFO *)cookie->data;
if (!F_ISSET(pginfo, DB_AM_SWAP))
return (0);
h = pp;
return (TYPE(h) == P_BTREEMETA ? __bam_mswap(pp) :
__db_byteswap(dbenv, dummydbp, pg, pp, pginfo->db_pagesize, 1));
}
int
__bam_pgout(dbenv, dummydbp, pg, pp, cookie)
DB_ENV *dbenv;
DB *dummydbp;
db_pgno_t pg;
void *pp;
DBT *cookie;
{
DB_PGINFO *pginfo;
PAGE *h;
pginfo = (DB_PGINFO *)cookie->data;
if (!F_ISSET(pginfo, DB_AM_SWAP))
return (0);
h = pp;
return (TYPE(h) == P_BTREEMETA ? __bam_mswap(pp) :
__db_byteswap(dbenv, dummydbp, pg, pp, pginfo->db_pagesize, 0));
}
int
__bam_mswap(pg)
PAGE *pg;
{
u_int8_t *p;
__db_metaswap(pg);
p = (u_int8_t *)pg + sizeof(DBMETA);
SWAP32(p);
SWAP32(p);
SWAP32(p);
SWAP32(p);
SWAP32(p);
p += 92 * sizeof(u_int32_t);
SWAP32(p);
return (0);
}