--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/imgtools/imglib/host/h_file.cpp Tue Oct 27 16:36:35 2009 +0000
@@ -0,0 +1,150 @@
+/*
+* Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+*/
+
+
+#ifdef __LINUX__
+#include <unistd.h>
+#else // Windows specific
+#include <io.h>
+#endif
+#include <fcntl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+
+#include "h_utl.h"
+
+TInt HFile::Open(const TText * const aFileName, TInt32 * const aFileHandle)
+ {
+#ifdef __LINUX__
+ TInt32 hFile = open((const char *)aFileName, O_RDONLY );
+#else
+ TInt32 hFile = _open((const char *)aFileName, _O_RDONLY | _O_BINARY);
+#endif
+
+ if (hFile == -1)
+ {
+ switch (errno)
+ {
+ case EACCES:
+ Print(EError,"Can't open file %s - access violation.\n",aFileName);
+ break;
+ case EEXIST:
+ Print(EAlways,"Tried to create existing file %s\n",aFileName);
+ break;
+ case EINVAL:
+ Print(EError,"Can't open file %s - invalid open flags.\n",aFileName);
+ break;
+ case EMFILE:
+ Print(EError,"Can't open file %s - too many open files.\n",aFileName);
+ break;
+ case ENOENT:
+ Print(EError,"Can't open file %s - file or path not found.\n",aFileName);
+ break;
+ default:
+ Print(EError,"Can't open file %s, error %d (decimal).\n",aFileName,errno);
+ break;
+ }
+ return errno;
+ }
+ *aFileHandle = hFile;
+ return 0;
+ }
+
+/******************************************************************************/
+TBool HFile::Read(const TInt32 aFileHandle, TAny * const aBuffer, const TUint32 aCount)
+ {
+ TInt32 bytesRead = _read(aFileHandle, aBuffer, aCount);
+ if (bytesRead != (TInt32)aCount)
+ return EFalse;
+ else
+ return ETrue;
+ }
+
+/******************************************************************************/
+TBool HFile::Seek(const TInt32 aFileHandle, const TUint32 aOffset)
+ {
+ TInt32 newPos = _lseek(aFileHandle, aOffset, SEEK_SET);
+ if (newPos == -1)
+ return(EFalse);
+ else
+ return ETrue;
+ }
+
+/******************************************************************************/
+TUint32 HFile::GetPos(const TInt32 aFileHandle)
+ {
+ TUint32 pos = _lseek(aFileHandle, 0, SEEK_CUR);
+ return pos;
+ }
+
+/******************************************************************************/
+TUint32 HFile::GetLength(TText *aName)
+ {
+ TInt32 handle;
+ if (HFile::Open(aName, &handle)==0)
+ {
+ TUint32 size = _filelength(handle);
+ HFile::Close(handle);
+ return size;
+ }
+ else
+ return 0;
+ }
+
+/******************************************************************************/
+TUint32 HFile::GetLength(const TInt32 aFileHandle)
+ {
+
+ TUint32 size = _filelength(aFileHandle);
+ return size;
+ }
+
+
+/******************************************************************************/
+void HFile::Close(const TInt32 aFileHandle)
+ {
+ _close(aFileHandle);
+ }
+
+
+/******************************************************************************/
+TUint32 HFile::Read(TText *aName, TAny *someMem)
+ {
+ TInt32 handle;
+ if (HFile::Open(aName, &handle)==0)
+ {
+ TUint32 size = HFile::GetLength(handle);
+ if (HFile::Read(handle, someMem, size))
+ {
+ HFile::Close(handle);
+ return size;
+ }
+ else
+ {
+ HFile::Close(handle);
+ return 0;
+ }
+ }
+ else
+ return 0;
+ }
+
+
+/******************************************************************************/