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Icb class initial checkin.

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git-svn-id: file:///srv/svn/repos/haiku/trunk/current@3826 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Tyler Dauwalder 2003-07-04 06:14:06 +00:00
parent 466c605a47
commit e1016e4f8a
2 changed files with 80 additions and 0 deletions
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33
src/add-ons/kernel/file_systems/udf/Icb.cpp Normal file
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#include "Icb.h"
#include "Volume.h"
using namespace Udf;
Icb::Icb(Volume *volume, udf_long_address address)
: fVolume(NULL)
, fIcbData(volume ? volume->BlockSize() : 0)
, fInitStatus(B_NO_INIT)
, fId((address.block() << 16) & (address.partition()))
{
DEBUG_INIT_ETC(CF_PUBLIC, "Icb", ("Volume*(%p), long_address(block: %ld, partition: %d, length: %ld)", volume, address.block(), address.partition(), address.length()));
status_t err = volume ? B_OK : B_BAD_VALUE;
if (!err) {
err = fIcbData.InitCheck();
if (!err) {
err = volume->Read(address, fIcbData.Size(), fIcbData.Data());
if (!err) {
udf_icb_header *header = reinterpret_cast<udf_icb_header*>(fIcbData.Data());
PDUMP(header);
err = header->tag().init_check(address.block());
}
}
}
fInitStatus = err;
}
status_t
Icb::InitCheck()
{
return fInitStatus;
}

47
src/add-ons/kernel/file_systems/udf/Icb.h Normal file
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//----------------------------------------------------------------------
// This software is part of the OpenBeOS distribution and is covered
// by the OpenBeOS license.
//
// Copyright (c) 2003 Tyler Dauwalder, tyler@dauwalder.net
//---------------------------------------------------------------------
#ifndef _UDF_ICB_H
#define _UDF_ICB_H
/*! \file Icb.h
*/
extern "C" {
#ifndef _IMPEXP_KERNEL
# define _IMPEXP_KERNEL
#endif
#include <fsproto.h>
}
#include "cpp.h"
#include "UdfDebug.h"
#include "DiskStructures.h"
#include "MemoryChunk.h"
namespace Udf {
class Volume;
class Icb {
public:
Icb(Volume *volume, udf_long_address address);
status_t InitCheck();
vnode_id Id() { return fId; }
private:
Icb(); // unimplemented
private:
Volume *fVolume;
MemoryChunk fIcbData;
status_t fInitStatus;
vnode_id fId;
};
}; // namespace Udf
#endif // _UDF_ICB_H