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R5 DriveSetup add-on for UDF. I'm placing the add-on source here, instead

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of, say, src/add-ons/drive_setup/fs/udf/, because we won't need it for OBOS::R1,
but will instead need a disk device manager add-on, which will be written later.


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@4405 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Tyler Dauwalder 2003-08-30 04:39:22 +00:00
parent 80a4aa919d
commit 03bd8fccd2
1 changed files with 63 additions and 0 deletions
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63
src/add-ons/kernel/file_systems/udf/drive_setup_addon/udf-ds.cpp 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
//---------------------------------------------------------------------
/*! \file DriveSetupAddon.cpp
\brief UDF DriveSetup add-on for R5.
The interface implemented here is detailed in the Be Newsletter,
Volume II, Issue 23, "Getting Mounted". Thanks to Ingo Weinhold
for digging that up. :-)
*/
#include "UdfDebug.h"
#include "Volume.h"
struct partition_data {
char partition_name[B_FILE_NAME_LENGTH];
char partition_type[B_FILE_NAME_LENGTH];
char file_system_short_name[B_FILE_NAME_LENGTH];
char file_system_long_name[B_FILE_NAME_LENGTH];
char volume_name[B_FILE_NAME_LENGTH];
char mounted_at[B_FILE_NAME_LENGTH];
uint32 logical_block_size;
uint64 offset; // in logical blocks from start of session
uint64 blocks;
bool hidden; //"non-file system" partition
bool reserved1;
uint32 reserved2;
};
extern "C" bool ds_fs_id(partition_data*, int32, uint64, int32);
bool
ds_fs_id(partition_data *data, int32 device, uint64 sessionOffset,
int32 blockSize)
{
DEBUG_INIT_ETC(CF_HELPER, NULL, ("%p, %ld, %Lu, %ld", data,
device, sessionOffset, blockSize));
if (!data || device < 0)
return false;
bool result = false;
char name[256];
// Udf volume names are at most 63 2-byte unicode chars, so 256 UTF-8
// chars should cover us.
status_t err = Udf::Volume::Identify(device, (data->offset + sessionOffset), data->blocks, blockSize, name);
if (!err) {
strcpy(data->file_system_short_name, "udf");
strcpy(data->file_system_long_name, "Universal Disk Format");
strcpy(data->volume_name, name);
result = true;
}
return result;
}