diff options
Diffstat (limited to 'debian/htdig/htdig-3.2.0b6/db/bt_conv.c')
-rw-r--r-- | debian/htdig/htdig-3.2.0b6/db/bt_conv.c | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/debian/htdig/htdig-3.2.0b6/db/bt_conv.c b/debian/htdig/htdig-3.2.0b6/db/bt_conv.c new file mode 100644 index 00000000..34206b4d --- /dev/null +++ b/debian/htdig/htdig-3.2.0b6/db/bt_conv.c @@ -0,0 +1,96 @@ +/*- + * See the file LICENSE for redistribution information. + * + * Copyright (c) 1996, 1997, 1998, 1999 + * Sleepycat Software. All rights reserved. + */ + +#include "db_config.h" + +#ifndef lint +static const char sccsid[] = "@(#)bt_conv.c 11.2 (Sleepycat) 11/8/99"; +#endif /* not lint */ + +#ifndef NO_SYSTEM_INCLUDES +#include <sys/types.h> +#endif + +#include "db_int.h" +#include "db_page.h" +#include "db_swap.h" +#include "btree.h" + +/* + * CDB___bam_pgin -- + * Convert host-specific page layout from the host-independent format + * stored on disk. + * + * PUBLIC: int CDB___bam_pgin __P((db_pgno_t, void *, DBT *)); + */ +int +CDB___bam_pgin(pg, pp, cookie) + db_pgno_t pg; + void *pp; + DBT *cookie; +{ + DB_PGINFO *pginfo; + PAGE *h; + + pginfo = (DB_PGINFO *)cookie->data; + if (!pginfo->needswap) + return (0); + + h = pp; + return (h->type == P_BTREEMETA ? + CDB___bam_mswap(pp) : CDB___db_byteswap(pg, pp, pginfo->db_pagesize, 1)); +} + +/* + * CDB___bam_pgout -- + * Convert host-specific page layout to the host-independent format + * stored on disk. + * + * PUBLIC: int CDB___bam_pgout __P((db_pgno_t, void *, DBT *)); + */ +int +CDB___bam_pgout(pg, pp, cookie) + db_pgno_t pg; + void *pp; + DBT *cookie; +{ + DB_PGINFO *pginfo; + PAGE *h; + + pginfo = (DB_PGINFO *)cookie->data; + if (!pginfo->needswap) + return (0); + + h = pp; + return (h->type == P_BTREEMETA ? + CDB___bam_mswap(pp) : CDB___db_byteswap(pg, pp, pginfo->db_pagesize, 0)); +} + +/* + * CDB___bam_mswap -- + * Swap the bytes on the btree metadata page. + * + * PUBLIC: int CDB___bam_mswap __P((PAGE *)); + */ +int +CDB___bam_mswap(pg) + PAGE *pg; +{ + u_int8_t *p; + + CDB___db_metaswap(pg); + + p = (u_int8_t *)pg + sizeof(DBMETA); + + SWAP32(p); /* maxkey */ + SWAP32(p); /* minkey */ + SWAP32(p); /* re_len */ + SWAP32(p); /* re_pad */ + SWAP32(p); /* root */ + + return (0); +} |