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Merge remote-tracking branch 'origin/mdb.master'

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This commit is contained in:
Howard Chu 2013-02-07 18:30:58 +00:00
commit 9ac070beb3
1 changed files with 14 additions and 5 deletions
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19
libraries/liblmdb/mdb.c
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@ -1095,6 +1095,10 @@ mdb_dkey(MDB_val *key, char *buf)
char *ptr = buf;
unsigned char *c = key->mv_data;
unsigned int i;
if (!key)
return "";
if (key->mv_size > MDB_MAXKEYSIZE)
return "MDB_MAXKEYSIZE";
/* may want to make this a dynamic check: if the key is mostly
@ -1337,19 +1341,24 @@ again:
if (!txn->mt_env->me_pgfirst) {
mdb_node_read(txn, leaf, &data);
}
txn->mt_env->me_pglast = last;
if (!txn->mt_env->me_pgfirst)
txn->mt_env->me_pgfirst = last;
idl = (MDB_ID *) data.mv_data;
/* We might have a zero-length IDL due to freelist growth
* during a prior commit
*/
if (!idl[0]) goto again;
if (!idl[0]) {
txn->mt_env->me_pglast = last;
if (!txn->mt_env->me_pgfirst)
txn->mt_env->me_pgfirst = last;
goto again;
}
mop = malloc(sizeof(MDB_oldpages) + MDB_IDL_SIZEOF(idl) - sizeof(pgno_t));
if (!mop)
return ENOMEM;
mop->mo_next = txn->mt_env->me_pghead;
mop->mo_txnid = last;
txn->mt_env->me_pglast = last;
if (!txn->mt_env->me_pgfirst)
txn->mt_env->me_pgfirst = last;
txn->mt_env->me_pghead = mop;
memcpy(mop->mo_pages, idl, MDB_IDL_SIZEOF(idl));
@ -4819,7 +4828,7 @@ mdb_cursor_put(MDB_cursor *mc, MDB_val *key, MDB_val *data,
if (F_ISSET(mc->mc_txn->mt_flags, MDB_TXN_RDONLY))
return EACCES;
if (key->mv_size == 0 || key->mv_size > MDB_MAXKEYSIZE)
if (flags != MDB_CURRENT && (key->mv_size == 0 || key->mv_size > MDB_MAXKEYSIZE))
return EINVAL;
if (F_ISSET(mc->mc_db->md_flags, MDB_DUPSORT) && data->mv_size > MDB_MAXKEYSIZE)