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mdbx: more checks against the use renewed (re-created or re-opened) DBI-handles.

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More for https://github.com/erthink/libmdbx/issues/146

Change-Id: I09e40598aca18e7ebd9798dc3be8675de3f8d976
This commit is contained in:
Leonid Yuriev
2020-12-17 10:36:05 +03:00
parent 735da5fedd
commit d77af0bc1f
1 changed files with 9 additions and 0 deletions
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9
src/core.c
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@@ -12688,6 +12688,9 @@ int mdbx_cursor_put(MDBX_cursor *mc, const MDBX_val *key, MDBX_val *data,
if (unlikely(rc != MDBX_SUCCESS))
return rc;
if (unlikely(TXN_DBI_CHANGED(mc->mc_txn, mc->mc_dbi)))
return MDBX_BAD_DBI;
mdbx_cassert(mc, cursor_is_tracked(mc));
env = mc->mc_txn->mt_env;
@@ -13487,6 +13490,9 @@ int mdbx_cursor_del(MDBX_cursor *mc, MDBX_put_flags_t flags) {
if (unlikely(rc != MDBX_SUCCESS))
return rc;
if (unlikely(TXN_DBI_CHANGED(mc->mc_txn, mc->mc_dbi)))
return MDBX_BAD_DBI;
if (unlikely(!(mc->mc_flags & C_INITIALIZED)))
return MDBX_ENODATA;
@@ -14123,6 +14129,9 @@ static __inline int mdbx_couple_init(MDBX_cursor_couple *couple,
/* Initialize a cursor for a given transaction and database. */
static int mdbx_cursor_init(MDBX_cursor *mc, MDBX_txn *txn, MDBX_dbi dbi) {
STATIC_ASSERT(offsetof(MDBX_cursor_couple, outer) == 0);
if (unlikely(TXN_DBI_CHANGED(txn, dbi)))
return MDBX_BAD_DBI;
return mdbx_couple_init(container_of(mc, MDBX_cursor_couple, outer), dbi, txn,
&txn->mt_dbs[dbi], &txn->mt_dbxs[dbi],
&txn->mt_dbistate[dbi]);