From 912728a322192f11bccb2db96da0d963b932e766 Mon Sep 17 00:00:00 2001
From: Leonid Yuriev <leo@yuriev.ru>
Date: Sun, 16 Sep 2018 17:53:35 +0300
Subject: [PATCH] mdbx: backport - fix mdbx_replace().

Change-Id: I2af00f101017795ca2b967479f86e5ea7e8ad37b
---
 src/mdbx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/mdbx.c b/src/mdbx.c
index e279b447..8b7f4b82 100644
--- a/src/mdbx.c
+++ b/src/mdbx.c
@@ -11996,7 +11996,7 @@ int mdbx_replace(MDBX_txn *txn, MDBX_dbi dbi, MDBX_val *key, MDBX_val *new_data,
     rc = mdbx_cursor_get(&mc, &present_key, &present_data, MDBX_SET_KEY);
     if (unlikely(rc != MDBX_SUCCESS)) {
       old_data->iov_base = NULL;
-      old_data->iov_len = rc;
+      old_data->iov_len = 0;
       if (rc != MDBX_NOTFOUND || (flags & MDBX_CURRENT))
         goto bailout;
     } else if (flags & MDBX_NOOVERWRITE) {