diff options
| author |   deraadt <deraadt@openbsd.org> | 1997-11-13 06:35:06 +0000 |
|---|---|---|
| committer | deraadt <deraadt@openbsd.org> | 1997-11-13 06:35:06 +0000 |
| commit | eab84c552e819ebed4a4628751cdf685494564d8 (patch) | |
| tree | 8603657955621a294907b82cee3cc431ef03b2a6 | |
| parent | sync (diff) | |
| download | wireguard-openbsd-eab84c552e819ebed4a4628751cdf685494564d8.tar.xz wireguard-openbsd-eab84c552e819ebed4a4628751cdf685494564d8.zip | |
Bug fixes from Sleepycat Software for db_btree databases; for some corner
cases in splitting pages, and for correctly updating data base metadata.
| -rw-r--r-- | lib/libc/db/btree/bt_page.c | 4 | ||||
| -rw-r--r-- | lib/libc/db/btree/bt_split.c | 7 |
2 files changed, 7 insertions, 4 deletions
diff --git a/lib/libc/db/btree/bt_page.c b/lib/libc/db/btree/bt_page.c index db80a7ec332..2552ef2d1fe 100644 --- a/lib/libc/db/btree/bt_page.c +++ b/lib/libc/db/btree/bt_page.c @@ -32,7 +32,7 @@ */ #if defined(LIBC_SCCS) && !defined(lint) -static char rcsid[] = "$OpenBSD: bt_page.c,v 1.3 1996/08/19 08:20:10 tholo Exp $"; +static char rcsid[] = "$OpenBSD: bt_page.c,v 1.4 1997/11/13 06:35:06 deraadt Exp $"; #endif /* LIBC_SCCS and not lint */ #include <sys/types.h> @@ -65,6 +65,7 @@ __bt_free(t, h) h->prevpg = P_INVALID; h->nextpg = t->bt_free; t->bt_free = h->pgno; + F_SET(t, B_METADIRTY); /* Make sure the page gets written back. */ return (mpool_put(t->bt_mp, h, MPOOL_DIRTY)); @@ -92,6 +93,7 @@ __bt_new(t, npg) (h = mpool_get(t->bt_mp, t->bt_free, 0)) != NULL) { *npg = t->bt_free; t->bt_free = h->nextpg; + F_SET(t, B_METADIRTY); return (h); } return (mpool_new(t->bt_mp, npg)); diff --git a/lib/libc/db/btree/bt_split.c b/lib/libc/db/btree/bt_split.c index a2098a70b5f..06f2eac5121 100644 --- a/lib/libc/db/btree/bt_split.c +++ b/lib/libc/db/btree/bt_split.c @@ -35,7 +35,7 @@ */ #if defined(LIBC_SCCS) && !defined(lint) -static char rcsid[] = "$OpenBSD: bt_split.c,v 1.3 1996/08/19 08:20:16 tholo Exp $"; +static char rcsid[] = "$OpenBSD: bt_split.c,v 1.4 1997/11/13 06:35:06 deraadt Exp $"; #endif /* LIBC_SCCS and not lint */ #include <sys/types.h> @@ -673,7 +673,8 @@ bt_psplit(t, h, l, r, pskip, ilen) * where we decide to try and copy too much onto the left page. * Make sure that doesn't happen. */ - if (skip <= off && used + nbytes >= full) { + if ((skip <= off && used + nbytes + sizeof(indx_t) >= full) || + nxt == top - 1) { --off; break; } @@ -686,7 +687,7 @@ bt_psplit(t, h, l, r, pskip, ilen) memmove((char *)l + l->upper, src, nbytes); } - used += nbytes; + used += nbytes + sizeof(indx_t); if (used >= half) { if (!isbigkey || bigkeycnt == 3) break; |