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Do not follow uninited cursors' page pointers.

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Nor uninited cursors' subcursors' page pointers.
This commit is contained in:
Hallvard Furuseth 2013-07-10 22:11:44 +02:00
parent b711c07f34
commit 3d46d5502a
1 changed files with 2 additions and 1 deletions
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3
libraries/liblmdb/mdb.c
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@ -5328,6 +5328,7 @@ put_sub:
for (m2 = mc->mc_txn->mt_cursors[mc->mc_dbi]; m2; m2=m2->mc_next) {
if (m2 == mc || m2->mc_snum < mc->mc_snum) continue;
if (!(m2->mc_flags & C_INITIALIZED)) continue;
if (m2->mc_pg[i] == mp && m2->mc_ki[i] == mc->mc_ki[i]) {
mdb_xcursor_init1(m2, leaf);
}
@ -7025,7 +7026,7 @@ done:
m3 = m2;
if (m3 == mc)
continue;
if (!(m3->mc_flags & C_INITIALIZED))
if (!(m2->mc_flags & m3->mc_flags & C_INITIALIZED))
continue;
if (m3->mc_flags & C_SPLITTING)
continue;