From c6cd642ff1780e2b2f8e3620f1756902a6348783 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=9B=D0=B5=D0=BE=D0=BD=D0=B8=D0=B4=20=D0=AE=D1=80=D1=8C?=
 =?UTF-8?q?=D0=B5=D0=B2=20=28Leonid=20Yuriev=29?= <leo@yuriev.ru>
Date: Fri, 2 Sep 2022 02:02:33 +0300
Subject: [PATCH] mdbx: fix extra check for `MDBX_APPENDDUP`.

---
 src/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/core.c b/src/core.c
index e86ad782..08c02f96 100644
--- a/src/core.c
+++ b/src/core.c
@@ -15542,7 +15542,7 @@ int mdbx_cursor_put(MDBX_cursor *mc, const MDBX_val *key, MDBX_val *data,
           mc->mc_ki[mc->mc_top]++; /* step forward for appending */
           rc = MDBX_NOTFOUND;
         } else {
-          if (unlikely(rc != MDBX_SUCCESS || !(flags & MDBX_APPENDDUP)))
+          if (unlikely(rc != MDBX_SUCCESS))
             /* new-key < last-key
              * or new-key == last-key without MDBX_APPENDDUP */
             return MDBX_EKEYMISMATCH;