src/add-ons/kernel/file_systems/udf/drive_setup_addon/udf-ds.cpp

   1 //----------------------------------------------------------------------
   2 //  This software is part of the OpenBeOS distribution and is covered
   3 //  by the MIT License.
   4 //
   5 //  Copyright (c) 2003 Tyler Dauwalder, tyler@dauwalder.net
   6 //---------------------------------------------------------------------
   7
   8 /*! \file DriveSetupAddon.cpp
   9
  10         \brief UDF DriveSetup add-on for R5.
  11
  12         The interface implemented here is detailed in the Be Newsletter,
  13         Volume II, Issue 23, "Getting Mounted". Thanks to Ingo Weinhold
  14         for digging that up. :-)
  15 */
  16
  17 #include "UdfDebug.h"
  18 #include "Recognition.h"
  19
  20 struct partition_data {
  21         char partition_name[B_FILE_NAME_LENGTH];
  22         char partition_type[B_FILE_NAME_LENGTH];
  23         char file_system_short_name[B_FILE_NAME_LENGTH];
  24         char file_system_long_name[B_FILE_NAME_LENGTH];
  25         char volume_name[B_FILE_NAME_LENGTH];
  26         char mounted_at[B_FILE_NAME_LENGTH];
  27         uint32 logical_block_size;
  28         uint64 offset;  // in logical blocks from start of session
  29         uint64 blocks;
  30         bool hidden;    //"non-file system" partition
  31         bool reserved1;
  32         uint32 reserved2;
  33 };
  34
  35 extern "C" bool ds_fs_id(partition_data*, int32, uint64, int32);
  36
  37 bool
  38 ds_fs_id(partition_data *data, int32 device, uint64 sessionOffset,
  39                  int32 blockSize)
  40 {
  41         DEBUG_INIT_ETC(NULL, ("%p, %ld, %Lu, %ld", data,
  42                        device, sessionOffset, blockSize));
  43
  44         if (!data || device < 0)
  45                 return false;
  46
  47         bool result = false;
  48
  49         char name[256];
  50                 // Udf volume names are at most 63 2-byte unicode chars, so 256 UTF-8
  51                 // chars should cover us.
  52
  53         status_t error = Udf::udf_recognize(device, (data->offset + sessionOffset), data->blocks, blockSize, name);
  54         if (!error) {
  55                 strcpy(data->file_system_short_name, "udf");
  56                 strcpy(data->file_system_long_name, "Universal Disk Format");
  57                 strcpy(data->volume_name, name);
  58                 result = true;
  59         }
  60
  61         return result;
  62 }
  63