From 64e6fa93fd221d5b026c1841f44d2eb2400f307a Mon Sep 17 00:00:00 2001
From: Leonid Yuriev <leo@yuriev.ru>
Date: Sat, 9 Oct 2021 12:36:40 +0300
Subject: [PATCH] mdbx: fix `#pragma pack` to avoid misalignment for some
 compilers.

Fixes https://github.com/erthink/libmdbx/issues/235.
---
 src/internals.h | 2 +-
 test/chrono.h   | 2 +-
 test/config.h   | 4 ----
 3 files changed, 2 insertions(+), 6 deletions(-)

diff --git a/src/internals.h b/src/internals.h
index ad4f06ba..528519a9 100644
--- a/src/internals.h
+++ b/src/internals.h
@@ -437,7 +437,7 @@ typedef uint16_t indx_t;
 
 /*----------------------------------------------------------------------------*/
 /* Core structures for database and shared memory (i.e. format definition) */
-#pragma pack(push, 1)
+#pragma pack(push, 4)
 
 /* Information about a single database in the environment. */
 typedef struct MDBX_db {
diff --git a/test/chrono.h b/test/chrono.h
index c51c538d..c622846f 100644
--- a/test/chrono.h
+++ b/test/chrono.h
@@ -19,7 +19,7 @@
 
 namespace chrono {
 
-#pragma pack(push, 1)
+#pragma pack(push, 4)
 
 typedef union time {
   uint64_t fixedpoint;
diff --git a/test/config.h b/test/config.h
index f8ee52dc..785dcd4d 100644
--- a/test/config.h
+++ b/test/config.h
@@ -135,8 +135,6 @@ inline bool parse_option_intptr(int argc, char *const argv[], int &narg,
 
 //-----------------------------------------------------------------------------
 
-#pragma pack(push, 1)
-
 struct keygen_params_pod {
   /* Параметры генератора пар key-value. Также может быть полезным описание
    * алгоритма генерации в keygen.h
@@ -307,8 +305,6 @@ struct actor_config_pod {
         wait4id(wait4id) {}
 };
 
-#pragma pack(pop)
-
 extern const struct option_verb mode_bits[];
 extern const struct option_verb table_bits[];
 void dump(const char *title = "config-dump: ");