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Diffstat (limited to 'db2/btree/bt_split.c')
-rw-r--r--db2/btree/bt_split.c44
1 files changed, 24 insertions, 20 deletions
diff --git a/db2/btree/bt_split.c b/db2/btree/bt_split.c
index 25cfacc4d0..bc09131b00 100644
--- a/db2/btree/bt_split.c
+++ b/db2/btree/bt_split.c
@@ -44,7 +44,7 @@
#include "config.h"
#ifndef lint
-static const char sccsid[] = "@(#)bt_split.c 10.14 (Sleepycat) 9/3/97";
+static const char sccsid[] = "@(#)bt_split.c 10.17 (Sleepycat) 11/2/97";
#endif /* not lint */
#ifndef NO_SYSTEM_INCLUDES
@@ -255,7 +255,7 @@ __bam_page(dbp, pp, cp)
cp->page->level, TYPE(cp->page));
/* Create new left page for the split. */
- if ((lp = (PAGE *)malloc(dbp->pgsize)) == NULL) {
+ if ((lp = (PAGE *)__db_malloc(dbp->pgsize)) == NULL) {
ret = ENOMEM;
goto err;
}
@@ -389,6 +389,9 @@ __bam_broot(dbp, rootp, lp, rp)
P_INIT(rootp, dbp->pgsize,
PGNO_ROOT, PGNO_INVALID, PGNO_INVALID, lp->level + 1, P_IBTREE);
+ memset(&data, 0, sizeof(data));
+ memset(&hdr, 0, sizeof(hdr));
+
/*
* The btree comparison code guarantees that the left-most key on any
* level of the tree is never used, so it doesn't need to be filled in.
@@ -399,15 +402,12 @@ __bam_broot(dbp, rootp, lp, rp)
if (F_ISSET(dbp, DB_BT_RECNUM)) {
bi.nrecs = __bam_total(lp);
RE_NREC_SET(rootp, bi.nrecs);
- }
- memset(&hdr, 0, sizeof(hdr));
+ } else
+ bi.nrecs = 0;
hdr.data = &bi;
hdr.size = SSZA(BINTERNAL, data);
- memset(&data, 0, sizeof(data));
- data.data = (char *)"";
- data.size = 0;
if ((ret =
- __db_pitem(dbp, rootp, 0, BINTERNAL_SIZE(0), &hdr, &data)) != 0)
+ __db_pitem(dbp, rootp, 0, BINTERNAL_SIZE(0), &hdr, NULL)) != 0)
return (ret);
switch (TYPE(rp)) {
@@ -431,9 +431,10 @@ __bam_broot(dbp, rootp, lp, rp)
return (ret);
/* Increment the overflow ref count. */
- if (B_TYPE(child_bi->type) == B_OVERFLOW && (ret =
- __db_ioff(dbp, ((BOVERFLOW *)(child_bi->data))->pgno)) != 0)
- return (ret);
+ if (B_TYPE(child_bi->type) == B_OVERFLOW)
+ if ((ret = __db_ovref(dbp,
+ ((BOVERFLOW *)(child_bi->data))->pgno, 1)) != 0)
+ return (ret);
break;
case P_LBTREE:
/* Copy the first key of the child page onto the root page. */
@@ -473,9 +474,10 @@ __bam_broot(dbp, rootp, lp, rp)
return (ret);
/* Increment the overflow ref count. */
- if (B_TYPE(child_bk->type) == B_OVERFLOW && (ret =
- __db_ioff(dbp, ((BOVERFLOW *)child_bk)->pgno)) != 0)
- return (ret);
+ if (B_TYPE(child_bk->type) == B_OVERFLOW)
+ if ((ret = __db_ovref(dbp,
+ ((BOVERFLOW *)child_bk)->pgno, 1)) != 0)
+ return (ret);
break;
default:
return (__db_pgfmt(dbp, rp->pgno));
@@ -604,9 +606,10 @@ __bam_pinsert(dbp, parent, lchild, rchild)
return (ret);
/* Increment the overflow ref count. */
- if (B_TYPE(child_bi->type) == B_OVERFLOW && (ret =
- __db_ioff(dbp, ((BOVERFLOW *)(child_bi->data))->pgno)) != 0)
- return (ret);
+ if (B_TYPE(child_bi->type) == B_OVERFLOW)
+ if ((ret = __db_ovref(dbp,
+ ((BOVERFLOW *)(child_bi->data))->pgno, 1)) != 0)
+ return (ret);
break;
case P_LBTREE:
child_bk = GET_BKEYDATA(rchild, 0);
@@ -673,9 +676,10 @@ noprefix: nksize = child_bk->len;
return (ret);
/* Increment the overflow ref count. */
- if (B_TYPE(child_bk->type) == B_OVERFLOW && (ret =
- __db_ioff(dbp, ((BOVERFLOW *)child_bk)->pgno)) != 0)
- return (ret);
+ if (B_TYPE(child_bk->type) == B_OVERFLOW)
+ if ((ret = __db_ovref(dbp,
+ ((BOVERFLOW *)child_bk)->pgno, 1)) != 0)
+ return (ret);
break;
default:
return (__db_pgfmt(dbp, rchild->pgno));