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Diffstat (limited to 'db2/hash/hash_dup.c')
-rw-r--r--db2/hash/hash_dup.c49
1 files changed, 25 insertions, 24 deletions
diff --git a/db2/hash/hash_dup.c b/db2/hash/hash_dup.c
index c9590fa49d..71bd1c5eb0 100644
--- a/db2/hash/hash_dup.c
+++ b/db2/hash/hash_dup.c
@@ -42,7 +42,7 @@
#include "config.h"
#ifndef lint
-static const char sccsid[] = "@(#)hash_dup.c 10.6 (Sleepycat) 9/3/97";
+static const char sccsid[] = "@(#)hash_dup.c 10.7 (Sleepycat) 9/15/97";
#endif /* not lint */
/*
@@ -99,9 +99,9 @@ __ham_add_dup(hashp, hcp, nval, flags)
int flags;
{
DBT pval, tmp_val;
- HKEYDATA *hk;
u_int32_t del_len, new_size;
int ret;
+ u_int8_t *hk;
if (flags == DB_CURRENT && hcp->dpgno == PGNO_INVALID)
del_len = hcp->dup_len;
@@ -128,8 +128,8 @@ __ham_add_dup(hashp, hcp, nval, flags)
* the addition of the new item will make the set large, or
* if there isn't enough room on this page to add the next item.
*/
- if (hk->type != H_OFFDUP &&
- (hk->type == H_OFFPAGE || ISBIG(hashp, new_size) ||
+ if (HPAGE_PTYPE(hk) != H_OFFDUP &&
+ (HPAGE_PTYPE(hk) == H_OFFPAGE || ISBIG(hashp, new_size) ||
DUP_SIZE(nval->size) - del_len > P_FREESPACE(hcp->pagep))) {
if ((ret = __ham_dup_convert(hashp, hcp)) != 0)
@@ -139,16 +139,17 @@ __ham_add_dup(hashp, hcp, nval, flags)
}
/* There are two separate cases here: on page and off page. */
- if (hk->type != H_OFFDUP) {
- if (hk->type != H_DUPLICATE) {
- hk->type = H_DUPLICATE;
+ if (HPAGE_PTYPE(hk) != H_OFFDUP) {
+ if (HPAGE_PTYPE(hk) != H_DUPLICATE) {
+ HPAGE_PTYPE(hk) = H_DUPLICATE;
pval.flags = 0;
- pval.data = hk->data;
+ pval.data = HKEYDATA_DATA(hk);
pval.size = LEN_HDATA(hcp->pagep, hashp->hdr->pagesize,
hcp->bndx);
- if ((ret = __ham_make_dup(&pval, &tmp_val, &hcp->big_data,
- &hcp->big_datalen)) != 0 ||
- (ret = __ham_replpair(hashp, hcp, &tmp_val, 1)) != 0)
+ if ((ret =
+ __ham_make_dup(&pval, &tmp_val, &hcp->big_data,
+ &hcp->big_datalen)) != 0 || (ret =
+ __ham_replpair(hashp, hcp, &tmp_val, 1)) != 0)
return (ret);
}
@@ -187,8 +188,7 @@ __ham_add_dup(hashp, hcp, nval, flags)
/* If we get here, then we're on duplicate pages. */
if (hcp->dpgno == PGNO_INVALID) {
- memcpy(&hcp->dpgno,
- (u_int8_t *)hk + SSZ(HOFFDUP, pgno), sizeof(db_pgno_t));
+ memcpy(&hcp->dpgno, HOFFDUP_PGNO(hk), sizeof(db_pgno_t));
hcp->dndx = 0;
}
@@ -259,14 +259,13 @@ __ham_dup_convert(hashp, hcp)
* Now put the duplicates onto the new page.
*/
dbt.flags = 0;
- switch (((HKEYDATA *)H_PAIRDATA(hcp->pagep, hcp->bndx))->type) {
+ switch (HPAGE_PTYPE(H_PAIRDATA(hcp->pagep, hcp->bndx))) {
case H_KEYDATA:
/* Simple case, one key on page; move it to dup page. */
dndx = 0;
dbt.size =
LEN_HDATA(hcp->pagep, hashp->hdr->pagesize, hcp->bndx);
- dbt.data =
- ((HKEYDATA *)H_PAIRDATA(hcp->pagep, hcp->bndx))->data;
+ dbt.data = HKEYDATA_DATA(H_PAIRDATA(hcp->pagep, hcp->bndx));
ret = __db_pitem(hashp->dbp, hcp->dpagep,
(u_int32_t)dndx, BKEYDATA_SIZE(dbt.size), NULL, &dbt);
if (ret == 0)
@@ -289,7 +288,7 @@ __ham_dup_convert(hashp, hcp)
__ham_dirty_page(hashp, hcp->dpagep);
break;
case H_DUPLICATE:
- p = ((HKEYDATA *)H_PAIRDATA(hcp->pagep, hcp->bndx))->data;
+ p = HKEYDATA_DATA(H_PAIRDATA(hcp->pagep, hcp->bndx));
pend = p +
LEN_HDATA(hcp->pagep, hashp->hdr->pagesize, hcp->bndx);
@@ -366,24 +365,23 @@ __ham_check_move(hashp, hcp, add_len)
{
DBT k, d;
DB_LSN new_lsn;
- HKEYDATA *hk;
PAGE *next_pagep;
db_pgno_t next_pgno;
int rectype, ret;
u_int32_t new_datalen, old_len;
+ u_int8_t *hk;
/*
* Check if we can do whatever we need to on this page. If not,
* then we'll have to move the current element to a new page.
*/
-
hk = H_PAIRDATA(hcp->pagep, hcp->bndx);
/*
* If the item is already off page duplicates or an offpage item,
* then we know we can do whatever we need to do in-place
*/
- if (hk->type == H_OFFDUP || hk->type == H_OFFPAGE)
+ if (HPAGE_PTYPE(hk) == H_OFFDUP || HPAGE_PTYPE(hk) == H_OFFPAGE)
return (0);
old_len =
@@ -443,22 +441,25 @@ __ham_check_move(hashp, hcp, add_len)
rectype = PUTPAIR;
k.flags = 0;
d.flags = 0;
- if (H_PAIRKEY(hcp->pagep, hcp->bndx)->type == H_OFFPAGE) {
+ if (HPAGE_PTYPE(
+ H_PAIRKEY(hcp->pagep, hcp->bndx)) == H_OFFPAGE) {
rectype |= PAIR_KEYMASK;
k.data = H_PAIRKEY(hcp->pagep, hcp->bndx);
k.size = HOFFPAGE_SIZE;
} else {
- k.data = H_PAIRKEY(hcp->pagep, hcp->bndx)->data;
+ k.data =
+ HKEYDATA_DATA(H_PAIRKEY(hcp->pagep, hcp->bndx));
k.size = LEN_HKEY(hcp->pagep,
hashp->hdr->pagesize, hcp->bndx);
}
- if (hk->type == H_OFFPAGE) {
+ if (HPAGE_PTYPE(hk) == H_OFFPAGE) {
rectype |= PAIR_DATAMASK;
d.data = H_PAIRDATA(hcp->pagep, hcp->bndx);
d.size = HOFFPAGE_SIZE;
} else {
- d.data = H_PAIRDATA(hcp->pagep, hcp->bndx)->data;
+ d.data =
+ HKEYDATA_DATA(H_PAIRDATA(hcp->pagep, hcp->bndx));
d.size = LEN_HDATA(hcp->pagep,
hashp->hdr->pagesize, hcp->bndx);
}