lmdb: Reject CHANGELESS flags in mdb_env_set_flags().

Reverts part of a2ac10107e2fb845c4a38a339239063ec4407d84.
MDB_ROBUST needed to be accepted, but that flag is gone.

Change-Id: I2aba1e9e02da716d4509e465767bf8be05895c29
This commit is contained in:
Hallvard Furuseth 2015-01-14 08:12:50 +01:00 committed by Leo Yuriev
parent 1f58fb66ae
commit 62181cfe87
2 changed files with 1 additions and 2 deletions

1
lmdb.h
View File

@ -747,7 +747,6 @@ void mdb_env_close(MDB_env *env);
* This may be used to set some flags in addition to those from * This may be used to set some flags in addition to those from
* #mdb_env_open(), or to unset these flags. If several threads * #mdb_env_open(), or to unset these flags. If several threads
* change the flags at the same time, the result is undefined. * change the flags at the same time, the result is undefined.
* Most flags cannot be changed after #mdb_env_open().
* @param[in] env An environment handle returned by #mdb_env_create() * @param[in] env An environment handle returned by #mdb_env_create()
* @param[in] flags The flags to change, bitwise OR'ed together * @param[in] flags The flags to change, bitwise OR'ed together
* @param[in] onoff A non-zero value sets the flags, zero clears them. * @param[in] onoff A non-zero value sets the flags, zero clears them.

2
mdb.c
View File

@ -9569,7 +9569,7 @@ mdb_env_copy(MDB_env *env, const char *path)
int ESECT int ESECT
mdb_env_set_flags(MDB_env *env, unsigned int flag, int onoff) mdb_env_set_flags(MDB_env *env, unsigned int flag, int onoff)
{ {
if (flag & (env->me_map ? ~CHANGEABLE : ~(CHANGEABLE|CHANGELESS))) if ((flag & CHANGEABLE) != flag)
return EINVAL; return EINVAL;
if (onoff) if (onoff)
env->me_flags |= flag; env->me_flags |= flag;