From f04d64869f3b1de54fb343f28f955584780001b8 Mon Sep 17 00:00:00 2001
From: mataes2007 <mataes2007@e753b5eb-9565-29b2-b5c5-2cc6f99dfbcb>
Date: Sat, 26 Nov 2011 15:41:10 +0000
Subject: Project folders rename part 3

git-svn-id: http://miranda-plugins.googlecode.com/svn/trunk@215 e753b5eb-9565-29b2-b5c5-2cc6f99dfbcb
---
 Dbx_mmap_SA/Dbtool/disk.cpp | 112 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 112 insertions(+)
 create mode 100644 Dbx_mmap_SA/Dbtool/disk.cpp

(limited to 'Dbx_mmap_SA/Dbtool/disk.cpp')

diff --git a/Dbx_mmap_SA/Dbtool/disk.cpp b/Dbx_mmap_SA/Dbtool/disk.cpp
new file mode 100644
index 0000000..685f865
--- /dev/null
+++ b/Dbx_mmap_SA/Dbtool/disk.cpp
@@ -0,0 +1,112 @@
+/*
+Miranda Database Tool
+Copyright (C) 2001-2005  Richard Hughes
+
+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 "dbtool.h"
+
+extern DWORD spaceProcessed,sourceFileSize;
+
+int SignatureValid(DWORD ofs,DWORD signature)
+{
+	DWORD sig;
+
+	if(ofs+sizeof(sig)>=sourceFileSize)	{
+		AddToStatus(STATUS_ERROR,TranslateT("Invalid offset found (database truncated?)"));
+		return 0;
+	}
+
+	sig = *(DWORD*)(opts.pFile+ofs);
+
+	return sig==signature;
+}
+
+int PeekSegment(DWORD ofs,PVOID buf,int cbBytes)
+{
+	DWORD bytesRead;
+
+	if(ofs>=sourceFileSize) {
+		AddToStatus(STATUS_ERROR,TranslateT("Invalid offset found"));
+		return ERROR_SEEK;
+	}
+
+	if (ofs+cbBytes>sourceFileSize)
+		bytesRead = sourceFileSize - ofs;
+	else
+		bytesRead = cbBytes;
+
+	if(bytesRead==0) {
+		AddToStatus(STATUS_ERROR,TranslateT("Error reading, database truncated? (%u)"),GetLastError());
+		return ERROR_READ_FAULT;
+	}
+
+	CopyMemory(buf, opts.pFile+ofs, bytesRead);
+
+	if((int)bytesRead<cbBytes) return ERROR_HANDLE_EOF;
+	return ERROR_SUCCESS;
+}
+
+int ReadSegment(DWORD ofs,PVOID buf,int cbBytes)
+{
+	int ret;
+
+	ret=PeekSegment(ofs,buf,cbBytes);
+	if(ret!=ERROR_SUCCESS && ret!=ERROR_HANDLE_EOF) return ret;
+
+	if(opts.bAggressive) {
+		if (ofs+cbBytes>sourceFileSize) {
+			AddToStatus(STATUS_WARNING,TranslateT("Can't write to working file, aggressive mode may be too aggressive now"));
+			ZeroMemory(opts.pFile+ofs,sourceFileSize-ofs);
+		}
+		else
+			ZeroMemory(opts.pFile+ofs,cbBytes);
+	}
+	spaceProcessed+=cbBytes;
+	return ERROR_SUCCESS;
+}
+
+DWORD WriteSegment(DWORD ofs,PVOID buf,int cbBytes)
+{
+	DWORD bytesWritten;
+	if(opts.bCheckOnly) return 0xbfbfbfbf;
+	if(ofs==WSOFS_END) {
+		ofs=dbhdr.ofsFileEnd;
+		dbhdr.ofsFileEnd+=cbBytes;
+	}
+	SetFilePointer(opts.hOutFile,ofs,NULL,FILE_BEGIN);
+	WriteFile(opts.hOutFile,buf,cbBytes,&bytesWritten,NULL);
+	if((int)bytesWritten<cbBytes) {
+		AddToStatus(STATUS_FATAL,TranslateT("Can't write to output file - disk full? (%u)"),GetLastError());
+		return WS_ERROR;
+	}
+	return ofs;
+}
+
+
+int ReadWrittenSegment(DWORD ofs,PVOID buf,int cbBytes)
+{
+	DWORD bytesRead;
+	if(opts.bCheckOnly) return 0xbfbfbfbf;
+	if(ofs + cbBytes > dbhdr.ofsFileEnd )
+		return ERROR_SEEK;
+
+	SetFilePointer(opts.hOutFile,ofs,NULL,FILE_BEGIN);
+	ReadFile(opts.hOutFile,buf,cbBytes,&bytesRead,NULL);
+	if((int)bytesRead<cbBytes)
+		return ERROR_READ_FAULT;
+
+	return ERROR_SUCCESS;
+}
-- 
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