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/*

Miranda NG: the free IM client for Microsoft* Windows*

Copyright (c) 2012-18 Miranda NG team (https://miranda-ng.org)
all portions of this codebase are copyrighted to the people
listed in contributors.txt.

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/

#include "stdafx.h"

EXTERN_C void NTAPI tls_callback(PVOID module, DWORD reason, PVOID reserved);

HINSTANCE g_hInst = nullptr;
int hLangpack;

BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD reason, LPVOID reserved)
{
	g_hInst = hInstDLL;
	tls_callback(hInstDLL, reason, reserved);
	return TRUE;
}

/////////////////////////////////////////////////////////////////////////////////////////

static PLUGININFOEX pluginInfo =
{
	sizeof(PLUGININFOEX),
	__PLUGIN_NAME,
	PLUGIN_MAKE_VERSION(__MAJOR_VERSION, __MINOR_VERSION, __RELEASE_NUM, __BUILD_NUM),
	__DESCRIPTION,
	__AUTHOR,
	__COPYRIGHT,
	__AUTHORWEB,
	UNICODE_AWARE | STATIC_PLUGIN,
	// {7C3D0A33-2646-4001-9107-F35EA299D292}
	{ 0x7c3d0a33, 0x2646, 0x4001, { 0x91, 0x7, 0xf3, 0x5e, 0xa2, 0x99, 0xd2, 0x92 } }
};


extern "C" __declspec(dllexport) PLUGININFOEX* MirandaPluginInfoEx(DWORD)
{
	return &pluginInfo;
}

extern "C" __declspec(dllexport) const MUUID MirandaInterfaces[] = { MIID_DATABASE, MIID_LAST };

/////////////////////////////////////////////////////////////////////////////////////////

// returns 0 if the profile is created, EMKPRF*
static int makeDatabase(const TCHAR *profile)
{
	std::unique_ptr<CDbxMDBX> db(new CDbxMDBX(profile, 0));
	return (db->Map() == MDBX_SUCCESS) ? 0 : EGROKPRF_CANTREAD;
}

// returns 0 if the given profile has a valid header
static int grokHeader(const TCHAR *profile)
{
	std::unique_ptr<CDbxMDBX> db(new CDbxMDBX(profile, DBMODE_SHARED | DBMODE_READONLY));
	return db->Check();
}

// returns 0 if all the APIs are injected otherwise, 1
static MDatabaseCommon* loadDatabase(const TCHAR *profile, BOOL bReadOnly)
{
	// set the memory, lists & UTF8 manager
	mir_getLP(&pluginInfo);

	std::unique_ptr<CDbxMDBX> db(new CDbxMDBX(profile, (bReadOnly) ? DBMODE_READONLY : 0));
	if (db->Map() != ERROR_SUCCESS)
		return nullptr;

	if (db->Load() != ERROR_SUCCESS)
		return nullptr;

	return db.release();
}

static DATABASELINK dblink =
{
	MDB_CAPS_COMPACT,
	"dbx_mdbx",
	L"MDBX database driver",
	makeDatabase,
	grokHeader,
	loadDatabase
};

extern "C" __declspec(dllexport) int Load(void)
{
	RegisterDatabasePlugin(&dblink);
	return 0;
}

/////////////////////////////////////////////////////////////////////////////////////////

extern "C" __declspec(dllexport) int Unload(void)
{
	return 0;
}