From 2a67f794ee0f35bb0e9bbfd269eac15c12c6f976 Mon Sep 17 00:00:00 2001
From: George Hazan <ghazan@miranda.im>
Date: Tue, 17 Jul 2018 12:48:47 +0300
Subject: added error logger for libmdbx

---
 libs/libmdbx/libmdbx.vcxproj  |  2 +-
 plugins/Dbx_mdbx/src/init.cpp | 10 ++++++++++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/libs/libmdbx/libmdbx.vcxproj b/libs/libmdbx/libmdbx.vcxproj
index ea7e127144..6c9a5d07d3 100644
--- a/libs/libmdbx/libmdbx.vcxproj
+++ b/libs/libmdbx/libmdbx.vcxproj
@@ -26,7 +26,7 @@
   <Import Project="$(ProjectDir)..\..\build\vc.common\lib.props" />
   <ItemDefinitionGroup>
     <ClCompile>
-      <PreprocessorDefinitions>MDBX_CONFIG_MANUAL_TLS_CALLBACK=1;LIBMDBX_EXPORTS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>MDBX_CONFIG_MANUAL_TLS_CALLBACK=1;MDBX_DEBUG=1;LIBMDBX_EXPORTS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ClCompile>
   </ItemDefinitionGroup>
   <ItemGroup>
diff --git a/plugins/Dbx_mdbx/src/init.cpp b/plugins/Dbx_mdbx/src/init.cpp
index 391fe88b56..a7b69ed1ad 100644
--- a/plugins/Dbx_mdbx/src/init.cpp
+++ b/plugins/Dbx_mdbx/src/init.cpp
@@ -51,6 +51,15 @@ extern "C" __declspec(dllexport) const MUUID MirandaInterfaces[] = { MIID_DATABA
 
 /////////////////////////////////////////////////////////////////////////////////////////
 
+static void logger(int type, const char *function, int line, const char *msg, va_list args)
+{
+	char tmp[4096];
+	_vsnprintf_s(tmp, _countof(tmp), msg, args);
+	Netlib_Logf(nullptr, "MDBX[%d] (%s, %d): %s", type, function, line, tmp);
+}
+
+/////////////////////////////////////////////////////////////////////////////////////////
+
 // returns 0 if the profile is created, EMKPRF*
 static int makeDatabase(const TCHAR *profile)
 {
@@ -90,6 +99,7 @@ static DATABASELINK dblink =
 
 int CMPlugin::Load()
 {
+	mdbx_setup_debug(MDBX_DBG_ASSERT | MDBX_DBG_PRINT, &logger);
 	RegisterDatabasePlugin(&dblink);
 	return 0;
 }
-- 
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