EFI_STATUS EFIAPI fsw_efi_FileHandle_Read(IN EFI_FILE_PROTOCOL *This,
IN OUT UINTN *BufferSize,
OUT VOID *Buffer)
{
FSW_FILE_DATA *File = FSW_FILE_FROM_FILE_HANDLE(This);
if (File->Type == FSW_EFI_FILE_TYPE_FILE)
return fsw_efi_file_read(File, BufferSize, Buffer);
else if (File->Type == FSW_EFI_FILE_TYPE_DIR)
return fsw_efi_dir_read(File, BufferSize, Buffer);
return EFI_UNSUPPORTED;
}
EFI_STATUS EFIAPI fsw_efi_FileHandle_Read(IN EFI_FILE *This,
IN OUT UINTN *BufferSize,
OUT VOID *Buffer)
{
EFI_STATUS Status;
FSW_FILE_DATA *File;
FSW_MSG_DEBUG((FSW_MSGSTR(__FUNCTION__ ": enter\n")));
Status = EFI_UNSUPPORTED;
File = FSW_FILE_FROM_FILE_HANDLE(This);
if (File->Type == FSW_EFI_FILE_TYPE_FILE)
Status = fsw_efi_file_read(File, BufferSize, Buffer);
else if (File->Type == FSW_EFI_FILE_TYPE_DIR)
Status = fsw_efi_dir_read(File, BufferSize, Buffer);
FSW_MSG_DEBUG((FSW_MSGSTR(__FUNCTION__ ": leaving with %r\n"), Status));
return Status;
}
EFI_STATUS
EFIAPI
NtfsRead (
IN EFI_FILE_PROTOCOL *FHand,
IN OUT UINTN *BufferSize,
OUT VOID *Buffer
)
/*++
Routine Description:
Get the file info.
Arguments:
FHand - The handle of the file.
BufferSize - Size of Buffer.
Buffer - Buffer containing read data.
Returns:
EFI_SUCCESS - Get the file info successfully.
EFI_DEVICE_ERROR - Can not find the OFile for the file.
EFI_VOLUME_CORRUPTED - The file type of open file is error.
other - An error occurred when operation the disk.
--*/
{
NTFS_IFILE *IFile;
EFI_STATUS Status;
struct _reent r;
int rbytes;
IFile = IFILE_FROM_FHAND(FHand); // cast from "EFI" to FHAND
if (IFile->Type == FSW_EFI_FILE_TYPE_FILE)
{
ZeroMem(&r, sizeof(struct _reent));
rbytes = ntfs_read_r(&r, IFile->fileState, Buffer, *BufferSize);
if (rbytes >= 0)
{
*BufferSize = rbytes;
return EFI_SUCCESS;
}
*BufferSize = 0;
return EFI_DEVICE_ERROR;
}
else if (IFile->Type == FSW_EFI_FILE_TYPE_DIR)
{ // unimplemented!
//Print(L"NtfsRead: Accessing to directory");
Status = fsw_efi_dir_read(IFile, BufferSize, Buffer);
//Print(L" !exit...\n\r");
return Status;
}
else
{ // what's?
}
return EFI_DEVICE_ERROR;
}
