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Added FTK console I/O routines to support FLAIM utilities. Misc. changes to the slab allocator.

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git-svn-id: https://svn.code.sf.net/p/flaim/code/trunk@505 0109f412-320b-0410-ab79-c3e0c5ffbbe6
This commit is contained in:
ahodgkinson
2006-06-05 19:13:55 +00:00
parent 5fa1801ce9
commit f672e7590f
10 changed files with 424 additions and 355 deletions
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43
ftk/src/ftkwin.cpp
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@@ -37,7 +37,6 @@ F_FileHdl::F_FileHdl()
m_bOpenedReadOnly = FALSE;
m_pszFileName = NULL;
m_FileHandle = INVALID_HANDLE_VALUE;
m_uiBlockSize = 0;
m_uiBytesPerSector = 0;
m_ui64NotOnSectorBoundMask = 0;
m_ui64GetSectorBoundMask = 0;
@@ -109,30 +108,14 @@ RCODE F_FileHdl::openOrCreate(
if (m_bDoDirectIO)
{
if (!m_uiBlockSize)
if (RC_BAD( rc = pFileSystem->getSectorSize(
pszFileName, &m_uiBytesPerSector)))
{
m_bDoDirectIO = FALSE;
}
else
{
if (RC_BAD( rc = pFileSystem->getSectorSize(
pszFileName, &m_uiBytesPerSector)))
{
goto Exit;
}
m_ui64NotOnSectorBoundMask = m_uiBytesPerSector - 1;
m_ui64GetSectorBoundMask = ~m_ui64NotOnSectorBoundMask;
// Can't do direct IO if the block size isn't a multiple of
// the sector size.
if (m_uiBlockSize < m_uiBytesPerSector ||
m_uiBlockSize % m_uiBytesPerSector != 0)
{
m_bDoDirectIO = FALSE;
}
goto Exit;
}
m_ui64NotOnSectorBoundMask = m_uiBytesPerSector - 1;
m_ui64GetSectorBoundMask = ~m_ui64NotOnSectorBoundMask;
}
// Only enable asynchronous writes if direct I/O is enabled.
@@ -440,19 +423,9 @@ RCODE F_FileHdl::open(
m_bDeleteOnRelease = FALSE;
}
// Loop on error open conditions.
for(;;)
if( RC_BAD( rc = openOrCreate( pszFileName, uiIoFlags, FALSE)))
{
if( RC_OK( rc = openOrCreate( pszFileName, uiIoFlags, FALSE)))
{
break;
}
if( rc != NE_FLM_IO_TOO_MANY_OPEN_FILES )
{
goto Exit;
}
goto Exit;
}
m_bFileOpened = TRUE;