diff options
Diffstat (limited to 'plugins/Db3x_mmap/src/dbtool/disk.cpp')
-rw-r--r-- | plugins/Db3x_mmap/src/dbtool/disk.cpp | 103 |
1 files changed, 0 insertions, 103 deletions
diff --git a/plugins/Db3x_mmap/src/dbtool/disk.cpp b/plugins/Db3x_mmap/src/dbtool/disk.cpp deleted file mode 100644 index 3310c7dd67..0000000000 --- a/plugins/Db3x_mmap/src/dbtool/disk.cpp +++ /dev/null @@ -1,103 +0,0 @@ -/*
-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 "../stdafx.h"
-
-int CDb3Mmap::SignatureValid(DWORD ofs, DWORD signature)
-{
- if (ofs + sizeof(DWORD) >= sourceFileSize) {
- cb->pfnAddLogMessage(STATUS_ERROR, TranslateT("Invalid offset found (database truncated?)"));
- return 0;
- }
-
- DWORD *sig = (DWORD*)(m_pDbCache + ofs);
- return *sig == signature;
-}
-
-int CDb3Mmap::PeekSegment(DWORD ofs, PVOID buf, int cbBytes)
-{
- if (ofs >= sourceFileSize) {
- cb->pfnAddLogMessage(STATUS_ERROR, TranslateT("Invalid offset found"));
- return ERROR_SEEK;
- }
-
- DWORD bytesRead;
- if (ofs + cbBytes > sourceFileSize)
- bytesRead = sourceFileSize - ofs;
- else
- bytesRead = cbBytes;
-
- if (bytesRead == 0) {
- cb->pfnAddLogMessage(STATUS_ERROR, TranslateT("Error reading, database truncated? (%u)"), GetLastError());
- return ERROR_READ_FAULT;
- }
-
- memcpy(buf, m_pDbCache + ofs, bytesRead);
-
- if ((int)bytesRead<cbBytes) return ERROR_HANDLE_EOF;
- return ERROR_SUCCESS;
-}
-
-int CDb3Mmap::ReadSegment(DWORD ofs, PVOID buf, int cbBytes)
-{
- int ret = PeekSegment(ofs, buf, cbBytes);
- if (ret != ERROR_SUCCESS && ret != ERROR_HANDLE_EOF) return ret;
-
- if (cb->bAggressive) {
- if (ofs + cbBytes > sourceFileSize) {
- cb->pfnAddLogMessage(STATUS_WARNING, TranslateT("Can't write to working file, aggressive mode may be too aggressive now"));
- memset((m_pDbCache + ofs), 0, (sourceFileSize - ofs));
- }
- else memset((m_pDbCache + ofs), 0, cbBytes);
- }
- cb->spaceProcessed += cbBytes;
- return ERROR_SUCCESS;
-}
-
-DWORD CDb3Mmap::WriteSegment(DWORD ofs, PVOID buf, int cbBytes)
-{
- DWORD bytesWritten;
- if (cb->bCheckOnly) return 0xbfbfbfbf;
- if (ofs == WSOFS_END) {
- ofs = m_dbHeader.ofsFileEnd;
- m_dbHeader.ofsFileEnd += cbBytes;
- }
- SetFilePointer(cb->hOutFile, ofs, nullptr, FILE_BEGIN);
- WriteFile(cb->hOutFile, buf, cbBytes, &bytesWritten, nullptr);
- if ((int)bytesWritten < cbBytes) {
- cb->pfnAddLogMessage(STATUS_FATAL, TranslateT("Can't write to output file - disk full? (%u)"), GetLastError());
- return WS_ERROR;
- }
- return ofs;
-}
-
-int CDb3Mmap::ReadWrittenSegment(DWORD ofs, PVOID buf, int cbBytes)
-{
- DWORD bytesRead;
- if (cb->bCheckOnly) return 0xbfbfbfbf;
- if (ofs + cbBytes > m_dbHeader.ofsFileEnd)
- return ERROR_SEEK;
-
- SetFilePointer(cb->hOutFile, ofs, nullptr, FILE_BEGIN);
- ReadFile(cb->hOutFile, buf, cbBytes, &bytesRead, nullptr);
- if ((int)bytesRead < cbBytes)
- return ERROR_READ_FAULT;
-
- return ERROR_SUCCESS;
-}
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