From 1f89c494ffe6569352e43eec8867bfeb182dfb8a Mon Sep 17 00:00:00 2001
From: Leonid Yuriev <leo@yuriev.ru>
Date: Sun, 7 Jul 2019 19:32:39 +0300
Subject: [PATCH] mdbx: refines OFF_T_MAX if it is not defined.

Change-Id: Ic453140e01725493cad0c98e73244c747d5f490e
---
 src/lck-posix.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/lck-posix.c b/src/lck-posix.c
index e8d4539a..ccfced30 100644
--- a/src/lck-posix.c
+++ b/src/lck-posix.c
@@ -44,7 +44,8 @@ static __cold __attribute__((destructor)) void mdbx_global_destructor(void) {
 /* lck */
 
 #ifndef OFF_T_MAX
-#define OFF_T_MAX (sizeof(off_t) > 4 ? INT64_MAX : INT32_MAX)
+#define OFF_T_MAX                                                              \
+  ((sizeof(off_t) > 4 ? INT64_MAX : INT32_MAX) & ~(size_t)0xffff)
 #endif
 #define LCK_WHOLE OFF_T_MAX