1 files changed, 47 insertions, 0 deletions
diff --git a/plugins/Dbx_mdb/src/dbutils.cpp b/plugins/Dbx_mdb/src/dbutils.cpp
new file mode 100644
index 0000000000..7c33db06bb
--- /dev/null
+++ b/plugins/Dbx_mdb/src/dbutils.cpp
@@ -0,0 +1,47 @@
+/*
+
+Miranda NG: the free IM client for Microsoft* Windows*
+
+Copyright (ñ) 2012-16 Miranda NG project (http://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"
+
+#define CMP_UINT(x, y) { if ((x) != (y)) return (x) < (y) ? -1 : 1; }
+
+int DBEventSortingKey::Compare(const MDB_val *ax, const MDB_val *bx)
+{
+	const DBEventSortingKey *a = (DBEventSortingKey *)ax->mv_data;
+	const DBEventSortingKey *b = (DBEventSortingKey *)bx->mv_data;
+
+	CMP_UINT(a->hContact, b->hContact);
+	CMP_UINT(a->ts, b->ts);
+	CMP_UINT(a->hEvent, b->hEvent);
+	return 0;
+}
+
+int DBSettingKey::Compare(const MDB_val *ax, const MDB_val *bx)
+{
+	const DBSettingKey *a = (DBSettingKey *)ax->mv_data;
+	const DBSettingKey *b = (DBSettingKey *)bx->mv_data;
+
+	CMP_UINT(a->hContact, b->hContact);
+	CMP_UINT(a->dwModuleId, b->dwModuleId);
+	return (min(ax->mv_size, bx->mv_size) > sizeof(DBSettingKey)) ? strcmp(a->szSettingName, b->szSettingName) : 0;
+}