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mdbx: refine err returning (MDBX_EPERM, etc).

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Change-Id: Iaa21a0e6632be47d6ef2a3676ba5e1381fc03b4d
This commit is contained in:
Leo Yuriev 2017-06-21 01:42:27 +03:00
parent 10b0197026
commit 45defdc170
1 changed files with 8 additions and 5 deletions
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13
src/mdbx.c
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@ -3847,7 +3847,7 @@ fail:
int __cold mdbx_env_get_maxkeysize(MDBX_env *env) {
if (!env || env->me_signature != MDBX_ME_SIGNATURE || !env->me_maxkey_limit)
return MDBX_EINVAL;
return -MDBX_EINVAL;
return env->me_maxkey_limit;
}
@ -4068,21 +4068,24 @@ int __cold mdbx_env_set_maxdbs(MDBX_env *env, MDBX_dbi dbs) {
return MDBX_EBADSIGN;
if (unlikely(env->me_map))
return MDBX_EINVAL;
return MDBX_EPERM;
env->me_maxdbs = dbs + CORE_DBS;
return MDBX_SUCCESS;
}
int __cold mdbx_env_set_maxreaders(MDBX_env *env, unsigned readers) {
if (unlikely(!env || readers < 1))
if (unlikely(readers < 1 || readers > INT16_MAX))
return MDBX_EINVAL;
if (unlikely(!env))
return MDBX_EINVAL;
if (unlikely(env->me_signature != MDBX_ME_SIGNATURE))
return MDBX_EBADSIGN;
if (unlikely(env->me_map || readers > INT16_MAX))
return MDBX_EINVAL;
if (unlikely(env->me_map))
return MDBX_EPERM;
env->me_maxreaders = readers;
return MDBX_SUCCESS;