1 files changed, 65 insertions, 0 deletions
diff --git a/plugins/Db3x_mmap/src/dbheaders.cpp b/plugins/Db3x_mmap/src/dbheaders.cpp
new file mode 100644
index 0000000000..3d18a373fa
--- /dev/null
+++ b/plugins/Db3x_mmap/src/dbheaders.cpp
@@ -0,0 +1,65 @@
+/*
+
+Miranda NG: the free IM client for Microsoft* Windows*
+
+Copyright 2012 Miranda NG project,
+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 "commonheaders.h"
+
+//the cache has not been loaded when these functions are used
+
+extern DBSignature dbSignature;
+
+int CDdxMmap::CreateDbHeaders()
+{
+	DBContact user;
+	DWORD bytesWritten;
+
+	CopyMemory(m_dbHeader.signature, &dbSignature,sizeof(m_dbHeader.signature));
+	m_dbHeader.version = DB_THIS_VERSION;
+	m_dbHeader.ofsFileEnd = sizeof(struct DBHeader);
+	m_dbHeader.slackSpace = 0;
+	m_dbHeader.contactCount = 0;
+	m_dbHeader.ofsFirstContact = 0;
+	m_dbHeader.ofsFirstModuleName = 0;
+	m_dbHeader.ofsUser = 0;
+	//create user
+	m_dbHeader.ofsUser = m_dbHeader.ofsFileEnd;
+	m_dbHeader.ofsFileEnd += sizeof(DBContact);
+	SetFilePointer(m_hDbFile,0,NULL,FILE_BEGIN);
+	WriteFile(m_hDbFile,&m_dbHeader,sizeof(m_dbHeader),&bytesWritten,NULL);
+	user.signature = DBCONTACT_SIGNATURE;
+	user.ofsNext = 0;
+	user.ofsFirstSettings = 0;
+	user.eventCount = 0;
+	user.ofsFirstEvent = user.ofsLastEvent = 0;
+	SetFilePointer(m_hDbFile,m_dbHeader.ofsUser,NULL,FILE_BEGIN);
+	WriteFile(m_hDbFile,&user,sizeof(DBContact),&bytesWritten,NULL);
+	FlushFileBuffers(m_hDbFile);
+	return 0;
+}
+
+int CDdxMmap::CheckDbHeaders()
+{
+	if (memcmp(m_dbHeader.signature, &dbSignature, sizeof(m_dbHeader.signature))) return 1;
+	if (m_dbHeader.version != DB_THIS_VERSION) return 2;
+	if (m_dbHeader.ofsUser == 0) return 3;
+	return 0;
+}