From 9b5e28e8e69b835f8ba37c0c67c56b99d2a24a01 Mon Sep 17 00:00:00 2001
From: Leo Yuriev <leo@yuriev.ru>
Date: Wed, 16 Aug 2017 08:44:07 +0300
Subject: [PATCH] mdbx:  fix mdbx_setup_dxb() for a case when db-size not
 (pre)configured by user.

Fix https://github.com/leo-yuriev/libmdbx/issues/11

Change-Id: I6fccd4877fed563cfb3a03f887bbba73eff5ac84
---
 src/mdbx.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/mdbx.c b/src/mdbx.c
index 240c115d..22af1b1d 100644
--- a/src/mdbx.c
+++ b/src/mdbx.c
@@ -4757,6 +4757,13 @@ static int __cold mdbx_setup_dxb(MDBX_env *env, int lck_rc) {
                 meta.mm_txnid_a, mdbx_durable_str(&meta));
     }
     mdbx_ensure(env, meta.mm_geo.now >= meta.mm_geo.next);
+  } else {
+    /* geo-params not pre-configured by used, fetch present from meta. */
+    env->me_dbgeo.now = pgno2bytes(env, meta.mm_geo.now);
+    env->me_dbgeo.lower = pgno2bytes(env, meta.mm_geo.lower);
+    env->me_dbgeo.upper = pgno2bytes(env, meta.mm_geo.upper);
+    env->me_dbgeo.grow = pgno2bytes(env, meta.mm_geo.grow);
+    env->me_dbgeo.shrink = pgno2bytes(env, meta.mm_geo.shrink);
   }
 
   uint64_t filesize_before_mmap;