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FTK Changes. Added support for HP-UX built with the native compiler (aCC). Added extendFile() method to the file handle class -- this method will increase the size of a file in the most optimal way possible on the host platform.

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git-svn-id: https://svn.code.sf.net/p/flaim/code/trunk@732 0109f412-320b-0410-ab79-c3e0c5ffbbe6
This commit is contained in:
ahodgkinson
2006-08-03 19:21:37 +00:00
parent a575399f58
commit 828f7f8e65
12 changed files with 538 additions and 260 deletions
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42
ftk/src/ftkwin.cpp
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@@ -563,7 +563,7 @@ RCODE F_FileHdl::lowLevelWrite(
if( uiTotalBytesToExtend)
{
if( RC_BAD( rc = extendFile( ui64CurrFileSize, uiTotalBytesToExtend)))
if( RC_BAD( rc = extendFile( ui64CurrFileSize + uiTotalBytesToExtend)))
{
goto Exit;
}
@@ -730,9 +730,7 @@ Exit:
}
/****************************************************************************
Desc: Truncate the file to the indicated size
WARNING: Direct IO methods are calling this method. Make sure that all changes
to this method work in direct IO mode.
Desc: Truncate the file to the indicated size
****************************************************************************/
RCODE FLMAPI F_FileHdl::truncateFile(
FLMUINT64 ui64NewSize)
@@ -777,18 +775,32 @@ Exit:
Desc:
****************************************************************************/
RCODE F_FileHdl::extendFile(
FLMUINT64 ui64FileSize,
FLMUINT uiTotalBytesToExtend)
FLMUINT64 ui64NewFileSize)
{
RCODE rc = NE_FLM_OK;
FLMUINT uiBytesToWrite;
FLMUINT uiBytesWritten;
FLMBYTE * pucBuffer = NULL;
FLMUINT uiBufferSize;
FLMUINT64 ui64NewFileSize = ui64FileSize + uiTotalBytesToExtend;
FLMUINT64 ui64FileSize;
FLMUINT64 ui64TotalBytesToExtend = 0;
LARGE_INTEGER liTmp;
F_FileAsyncClient * pAsyncClient = NULL;
// Get the current file size
if( RC_BAD( rc = size( &ui64FileSize)))
{
goto Exit;
}
// File is already the requested size
if( ui64FileSize >= ui64NewFileSize)
{
goto Exit;
}
// Try to extend the file using SetFileValidData. This will allocate blocks
// without zero-filling them. This call is very fast, but is only available
// on WinXP/2003 and newer systems and only if the file was opened while the
@@ -816,6 +828,12 @@ RCODE F_FileHdl::extendFile(
goto Exit;
}
// Determine the number of bytes to extend
ui64TotalBytesToExtend = ui64NewFileSize - ui64FileSize;
// Allocate a zero-filled buffer for extending
uiBufferSize = 64 * 1024;
if( RC_BAD( rc = f_allocAlignedBuffer( uiBufferSize, &pucBuffer)))
@@ -827,11 +845,11 @@ RCODE F_FileHdl::extendFile(
// Extend the file until we run out of bytes to write.
while( uiTotalBytesToExtend)
while( ui64TotalBytesToExtend)
{
if( (uiBytesToWrite = uiBufferSize) > uiTotalBytesToExtend)
if( (uiBytesToWrite = uiBufferSize) > ui64TotalBytesToExtend)
{
uiBytesToWrite = uiTotalBytesToExtend;
uiBytesToWrite = (FLMUINT)ui64TotalBytesToExtend;
}
if( m_bOpenedInAsyncMode)
@@ -902,7 +920,7 @@ RCODE F_FileHdl::extendFile(
goto Exit;
}
uiTotalBytesToExtend -= uiBytesToWrite;
ui64TotalBytesToExtend -= uiBytesToWrite;
ui64FileSize += uiBytesToWrite;
}