mirror of
https://github.com/aaru-dps/Aaru.git
synced 2025-12-16 19:24:25 +00:00
🐛Correct UCSD Pascal filesystem on Apple II disks.
(cherry picked from commit 38725e5625)
This commit is contained in:
@@ -46,7 +46,7 @@ namespace DiscImageChef.Filesystems.UCSDPascal
|
||||
if(!string.IsNullOrEmpty(path) && string.Compare(path, "/", StringComparison.OrdinalIgnoreCase) != 0)
|
||||
return Errno.NotSupported;
|
||||
|
||||
contents = fileEntries.Select(ent => StringHandlers.PascalToString(ent.filename, CurrentEncoding)).ToList();
|
||||
contents = fileEntries.Select(ent => StringHandlers.PascalToString(ent.Filename, CurrentEncoding)).ToList();
|
||||
|
||||
if(debug)
|
||||
{
|
||||
|
||||
@@ -71,15 +71,19 @@ namespace DiscImageChef.Filesystems.UCSDPascal
|
||||
|
||||
if(debug && (string.Compare(path, "$", StringComparison.InvariantCulture) == 0 ||
|
||||
string.Compare(path, "$Boot", StringComparison.InvariantCulture) == 0))
|
||||
file = string.Compare(path, "$", StringComparison.InvariantCulture) == 0 ? catalogBlocks : bootBlocks;
|
||||
file = string.Compare(path, "$", StringComparison.InvariantCulture) == 0
|
||||
? catalogBlocks
|
||||
: bootBlocks;
|
||||
else
|
||||
{
|
||||
Errno error = GetFileEntry(path, out PascalFileEntry entry);
|
||||
|
||||
if(error != Errno.NoError) return error;
|
||||
|
||||
byte[] tmp = device.ReadSectors((ulong)entry.firstBlock, (uint)(entry.lastBlock - entry.firstBlock));
|
||||
file = new byte[(entry.lastBlock - entry.firstBlock - 1) * device.GetSectorSize() + entry.lastBytes];
|
||||
byte[] tmp = device.ReadSectors((ulong)entry.FirstBlock * multiplier,
|
||||
(uint)(entry.LastBlock - entry.FirstBlock) * multiplier);
|
||||
file = new byte[(entry.LastBlock - entry.FirstBlock - 1) * device.GetSectorSize() * multiplier +
|
||||
entry.LastBytes];
|
||||
Array.Copy(tmp, 0, file, 0, file.Length);
|
||||
}
|
||||
|
||||
@@ -110,7 +114,7 @@ namespace DiscImageChef.Filesystems.UCSDPascal
|
||||
stat = new FileEntryInfo
|
||||
{
|
||||
Attributes = FileAttributes.System,
|
||||
BlockSize = device.GetSectorSize(),
|
||||
BlockSize = device.GetSectorSize() * multiplier,
|
||||
DeviceNo = 0,
|
||||
GID = 0,
|
||||
Inode = 0,
|
||||
@@ -140,13 +144,13 @@ namespace DiscImageChef.Filesystems.UCSDPascal
|
||||
stat = new FileEntryInfo
|
||||
{
|
||||
Attributes = FileAttributes.File,
|
||||
Blocks = entry.lastBlock - entry.firstBlock,
|
||||
BlockSize = device.GetSectorSize(),
|
||||
Blocks = entry.LastBlock - entry.FirstBlock,
|
||||
BlockSize = device.GetSectorSize() * multiplier,
|
||||
DeviceNo = 0,
|
||||
GID = 0,
|
||||
Inode = 0,
|
||||
LastWriteTimeUtc = DateHandlers.UcsdPascalToDateTime(entry.mtime),
|
||||
Length = (entry.lastBlock - entry.firstBlock) * device.GetSectorSize() + entry.lastBytes,
|
||||
LastWriteTimeUtc = DateHandlers.UcsdPascalToDateTime(entry.ModificationTime),
|
||||
Length = (entry.LastBlock - entry.FirstBlock) * device.GetSectorSize() * multiplier + entry.LastBytes,
|
||||
Links = 1,
|
||||
Mode = 0x124,
|
||||
UID = 0
|
||||
@@ -162,7 +166,7 @@ namespace DiscImageChef.Filesystems.UCSDPascal
|
||||
foreach(PascalFileEntry ent in fileEntries.Where(ent =>
|
||||
string.Compare(path,
|
||||
StringHandlers
|
||||
.PascalToString(ent.filename,
|
||||
.PascalToString(ent.Filename,
|
||||
CurrentEncoding),
|
||||
StringComparison
|
||||
.InvariantCultureIgnoreCase) == 0))
|
||||
|
||||
@@ -33,6 +33,7 @@
|
||||
using System;
|
||||
using System.Text;
|
||||
using DiscImageChef.CommonTypes;
|
||||
using DiscImageChef.Console;
|
||||
using DiscImageChef.DiscImages;
|
||||
using Schemas;
|
||||
|
||||
@@ -45,110 +46,128 @@ namespace DiscImageChef.Filesystems.UCSDPascal
|
||||
{
|
||||
if(partition.Length < 3) return false;
|
||||
|
||||
multiplier = (uint)(imagePlugin.ImageInfo.SectorSize == 256 ? 2 : 1);
|
||||
|
||||
// Blocks 0 and 1 are boot code
|
||||
byte[] volBlock = imagePlugin.ReadSector(2 + partition.Start);
|
||||
byte[] volBlock = imagePlugin.ReadSectors(multiplier * 2 + partition.Start, multiplier);
|
||||
|
||||
PascalVolumeEntry volEntry = new PascalVolumeEntry();
|
||||
|
||||
BigEndianBitConverter.IsLittleEndian = BitConverter.IsLittleEndian;
|
||||
// On Apple II, it's little endian
|
||||
BigEndianBitConverter.IsLittleEndian =
|
||||
multiplier == 2 ? !BitConverter.IsLittleEndian : BitConverter.IsLittleEndian;
|
||||
|
||||
volEntry.firstBlock = BigEndianBitConverter.ToInt16(volBlock, 0x00);
|
||||
volEntry.lastBlock = BigEndianBitConverter.ToInt16(volBlock, 0x02);
|
||||
volEntry.entryType = (PascalFileKind)BigEndianBitConverter.ToInt16(volBlock, 0x04);
|
||||
volEntry.volumeName = new byte[8];
|
||||
Array.Copy(volBlock, 0x06, volEntry.volumeName, 0, 8);
|
||||
volEntry.blocks = BigEndianBitConverter.ToInt16(volBlock, 0x0E);
|
||||
volEntry.files = BigEndianBitConverter.ToInt16(volBlock, 0x10);
|
||||
volEntry.dummy = BigEndianBitConverter.ToInt16(volBlock, 0x12);
|
||||
volEntry.lastBoot = BigEndianBitConverter.ToInt16(volBlock, 0x14);
|
||||
volEntry.tail = BigEndianBitConverter.ToInt32(volBlock, 0x16);
|
||||
volEntry.FirstBlock = BigEndianBitConverter.ToInt16(volBlock, 0x00);
|
||||
volEntry.LastBlock = BigEndianBitConverter.ToInt16(volBlock, 0x02);
|
||||
volEntry.EntryType = (PascalFileKind)BigEndianBitConverter.ToInt16(volBlock, 0x04);
|
||||
volEntry.VolumeName = new byte[8];
|
||||
Array.Copy(volBlock, 0x06, volEntry.VolumeName, 0, 8);
|
||||
volEntry.Blocks = BigEndianBitConverter.ToInt16(volBlock, 0x0E);
|
||||
volEntry.Files = BigEndianBitConverter.ToInt16(volBlock, 0x10);
|
||||
volEntry.Dummy = BigEndianBitConverter.ToInt16(volBlock, 0x12);
|
||||
volEntry.LastBoot = BigEndianBitConverter.ToInt16(volBlock, 0x14);
|
||||
volEntry.Tail = BigEndianBitConverter.ToInt32(volBlock, 0x16);
|
||||
|
||||
DicConsole.DebugWriteLine("UCSD Pascal Plugin", "volEntry.firstBlock = {0}", volEntry.FirstBlock);
|
||||
DicConsole.DebugWriteLine("UCSD Pascal Plugin", "volEntry.lastBlock = {0}", volEntry.LastBlock);
|
||||
DicConsole.DebugWriteLine("UCSD Pascal Plugin", "volEntry.entryType = {0}", volEntry.EntryType);
|
||||
DicConsole.DebugWriteLine("UCSD Pascal Plugin", "volEntry.volumeName = {0}", volEntry.VolumeName);
|
||||
DicConsole.DebugWriteLine("UCSD Pascal Plugin", "volEntry.blocks = {0}", volEntry.Blocks);
|
||||
DicConsole.DebugWriteLine("UCSD Pascal Plugin", "volEntry.files = {0}", volEntry.Files);
|
||||
DicConsole.DebugWriteLine("UCSD Pascal Plugin", "volEntry.dummy = {0}", volEntry.Dummy);
|
||||
DicConsole.DebugWriteLine("UCSD Pascal Plugin", "volEntry.lastBoot = {0}", volEntry.LastBoot);
|
||||
DicConsole.DebugWriteLine("UCSD Pascal Plugin", "volEntry.tail = {0}", volEntry.Tail);
|
||||
|
||||
// First block is always 0 (even is it's sector 2)
|
||||
if(volEntry.firstBlock != 0) return false;
|
||||
if(volEntry.FirstBlock != 0) return false;
|
||||
|
||||
// Last volume record block must be after first block, and before end of device
|
||||
if(volEntry.lastBlock <= volEntry.firstBlock ||
|
||||
(ulong)volEntry.lastBlock > imagePlugin.GetSectors() - 2) return false;
|
||||
if(volEntry.LastBlock <= volEntry.FirstBlock ||
|
||||
(ulong)volEntry.LastBlock > imagePlugin.GetSectors() / multiplier - 2) return false;
|
||||
|
||||
// Volume record entry type must be volume or secure
|
||||
if(volEntry.entryType != PascalFileKind.Volume && volEntry.entryType != PascalFileKind.Secure) return false;
|
||||
if(volEntry.EntryType != PascalFileKind.Volume && volEntry.EntryType != PascalFileKind.Secure) return false;
|
||||
|
||||
// Volume name is max 7 characters
|
||||
if(volEntry.volumeName[0] > 7) return false;
|
||||
if(volEntry.VolumeName[0] > 7) return false;
|
||||
|
||||
// Volume blocks is equal to volume sectors
|
||||
if(volEntry.blocks < 0 || (ulong)volEntry.blocks != imagePlugin.GetSectors()) return false;
|
||||
if(volEntry.Blocks < 0 || (ulong)volEntry.Blocks != imagePlugin.GetSectors() / multiplier) return false;
|
||||
|
||||
// There can be not less than zero files
|
||||
return volEntry.files >= 0;
|
||||
return volEntry.Files >= 0;
|
||||
}
|
||||
|
||||
public override void GetInformation(ImagePlugin imagePlugin, Partition partition, out string information)
|
||||
{
|
||||
StringBuilder sbInformation = new StringBuilder();
|
||||
information = "";
|
||||
multiplier = (uint)(imagePlugin.ImageInfo.SectorSize == 256 ? 2 : 1);
|
||||
|
||||
if(imagePlugin.GetSectors() < 3) return;
|
||||
|
||||
// Blocks 0 and 1 are boot code
|
||||
byte[] volBlock = imagePlugin.ReadSector(2 + partition.Start);
|
||||
byte[] volBlock = imagePlugin.ReadSectors(multiplier * 2 + partition.Start, multiplier);
|
||||
|
||||
PascalVolumeEntry volEntry = new PascalVolumeEntry();
|
||||
|
||||
BigEndianBitConverter.IsLittleEndian = BitConverter.IsLittleEndian;
|
||||
// On Apple //, it's little endian
|
||||
BigEndianBitConverter.IsLittleEndian =
|
||||
multiplier == 2 ? !BitConverter.IsLittleEndian : BitConverter.IsLittleEndian;
|
||||
|
||||
volEntry.firstBlock = BigEndianBitConverter.ToInt16(volBlock, 0x00);
|
||||
volEntry.lastBlock = BigEndianBitConverter.ToInt16(volBlock, 0x02);
|
||||
volEntry.entryType = (PascalFileKind)BigEndianBitConverter.ToInt16(volBlock, 0x04);
|
||||
volEntry.volumeName = new byte[8];
|
||||
Array.Copy(volBlock, 0x06, volEntry.volumeName, 0, 8);
|
||||
volEntry.blocks = BigEndianBitConverter.ToInt16(volBlock, 0x0E);
|
||||
volEntry.files = BigEndianBitConverter.ToInt16(volBlock, 0x10);
|
||||
volEntry.dummy = BigEndianBitConverter.ToInt16(volBlock, 0x12);
|
||||
volEntry.lastBoot = BigEndianBitConverter.ToInt16(volBlock, 0x14);
|
||||
volEntry.tail = BigEndianBitConverter.ToInt32(volBlock, 0x16);
|
||||
volEntry.FirstBlock = BigEndianBitConverter.ToInt16(volBlock, 0x00);
|
||||
volEntry.LastBlock = BigEndianBitConverter.ToInt16(volBlock, 0x02);
|
||||
volEntry.EntryType = (PascalFileKind)BigEndianBitConverter.ToInt16(volBlock, 0x04);
|
||||
volEntry.VolumeName = new byte[8];
|
||||
Array.Copy(volBlock, 0x06, volEntry.VolumeName, 0, 8);
|
||||
volEntry.Blocks = BigEndianBitConverter.ToInt16(volBlock, 0x0E);
|
||||
volEntry.Files = BigEndianBitConverter.ToInt16(volBlock, 0x10);
|
||||
volEntry.Dummy = BigEndianBitConverter.ToInt16(volBlock, 0x12);
|
||||
volEntry.LastBoot = BigEndianBitConverter.ToInt16(volBlock, 0x14);
|
||||
volEntry.Tail = BigEndianBitConverter.ToInt32(volBlock, 0x16);
|
||||
|
||||
// First block is always 0 (even is it's sector 2)
|
||||
if(volEntry.firstBlock != 0) return;
|
||||
if(volEntry.FirstBlock != 0) return;
|
||||
|
||||
// Last volume record block must be after first block, and before end of device
|
||||
if(volEntry.lastBlock <= volEntry.firstBlock ||
|
||||
(ulong)volEntry.lastBlock > imagePlugin.GetSectors() - 2) return;
|
||||
if(volEntry.LastBlock <= volEntry.FirstBlock ||
|
||||
(ulong)volEntry.LastBlock > imagePlugin.GetSectors() / multiplier - 2) return;
|
||||
|
||||
// Volume record entry type must be volume or secure
|
||||
if(volEntry.entryType != PascalFileKind.Volume && volEntry.entryType != PascalFileKind.Secure) return;
|
||||
if(volEntry.EntryType != PascalFileKind.Volume && volEntry.EntryType != PascalFileKind.Secure) return;
|
||||
|
||||
// Volume name is max 7 characters
|
||||
if(volEntry.volumeName[0] > 7) return;
|
||||
if(volEntry.VolumeName[0] > 7) return;
|
||||
|
||||
// Volume blocks is equal to volume sectors
|
||||
if(volEntry.blocks < 0 || (ulong)volEntry.blocks != imagePlugin.GetSectors()) return;
|
||||
if(volEntry.Blocks < 0 || (ulong)volEntry.Blocks != imagePlugin.GetSectors() / multiplier) return;
|
||||
|
||||
// There can be not less than zero files
|
||||
if(volEntry.files < 0) return;
|
||||
if(volEntry.Files < 0) return;
|
||||
|
||||
sbInformation.AppendFormat("Volume record spans from block {0} to block {1}", volEntry.firstBlock,
|
||||
volEntry.lastBlock).AppendLine();
|
||||
sbInformation.AppendFormat("Volume record spans from block {0} to block {1}", volEntry.FirstBlock,
|
||||
volEntry.LastBlock).AppendLine();
|
||||
sbInformation.AppendFormat("Volume name: {0}",
|
||||
StringHandlers.PascalToString(volEntry.volumeName, CurrentEncoding))
|
||||
StringHandlers.PascalToString(volEntry.VolumeName, CurrentEncoding))
|
||||
.AppendLine();
|
||||
sbInformation.AppendFormat("Volume has {0} blocks", volEntry.blocks).AppendLine();
|
||||
sbInformation.AppendFormat("Volume has {0} files", volEntry.files).AppendLine();
|
||||
sbInformation.AppendFormat("Volume has {0} blocks", volEntry.Blocks).AppendLine();
|
||||
sbInformation.AppendFormat("Volume has {0} files", volEntry.Files).AppendLine();
|
||||
sbInformation
|
||||
.AppendFormat("Volume last booted at {0}", DateHandlers.UcsdPascalToDateTime(volEntry.lastBoot))
|
||||
.AppendFormat("Volume last booted at {0}", DateHandlers.UcsdPascalToDateTime(volEntry.LastBoot))
|
||||
.AppendLine();
|
||||
|
||||
information = sbInformation.ToString();
|
||||
|
||||
XmlFsType = new FileSystemType
|
||||
{
|
||||
Bootable = !ArrayHelpers.ArrayIsNullOrEmpty(imagePlugin.ReadSectors(partition.Start, 2)),
|
||||
Clusters = volEntry.blocks,
|
||||
Bootable =
|
||||
!ArrayHelpers.ArrayIsNullOrEmpty(imagePlugin.ReadSectors(partition.Start, multiplier * 2)),
|
||||
Clusters = volEntry.Blocks,
|
||||
ClusterSize = (int)imagePlugin.GetSectorSize(),
|
||||
Files = volEntry.files,
|
||||
Files = volEntry.Files,
|
||||
FilesSpecified = true,
|
||||
Type = "UCSD Pascal",
|
||||
VolumeName = StringHandlers.PascalToString(volEntry.volumeName, CurrentEncoding)
|
||||
VolumeName = StringHandlers.PascalToString(volEntry.VolumeName, CurrentEncoding)
|
||||
};
|
||||
}
|
||||
}
|
||||
|
||||
@@ -38,39 +38,39 @@ namespace DiscImageChef.Filesystems.UCSDPascal
|
||||
struct PascalVolumeEntry
|
||||
{
|
||||
/// <summary>0x00, first block of volume entry</summary>
|
||||
public short firstBlock;
|
||||
public short FirstBlock;
|
||||
/// <summary>0x02, last block of volume entry</summary>
|
||||
public short lastBlock;
|
||||
public short LastBlock;
|
||||
/// <summary>0x04, entry type</summary>
|
||||
public PascalFileKind entryType;
|
||||
public PascalFileKind EntryType;
|
||||
/// <summary>0x06, volume name</summary>
|
||||
public byte[] volumeName;
|
||||
public byte[] VolumeName;
|
||||
/// <summary>0x0E, block in volume</summary>
|
||||
public short blocks;
|
||||
public short Blocks;
|
||||
/// <summary>0x10, files in volume</summary>
|
||||
public short files;
|
||||
public short Files;
|
||||
/// <summary>0x12, dummy</summary>
|
||||
public short dummy;
|
||||
public short Dummy;
|
||||
/// <summary>0x14, last booted</summary>
|
||||
public short lastBoot;
|
||||
public short LastBoot;
|
||||
/// <summary>0x16, tail to make record same size as <see cref="PascalFileEntry" /></summary>
|
||||
public int tail;
|
||||
public int Tail;
|
||||
}
|
||||
|
||||
struct PascalFileEntry
|
||||
{
|
||||
/// <summary>0x00, first block of file</summary>
|
||||
public short firstBlock;
|
||||
public short FirstBlock;
|
||||
/// <summary>0x02, last block of file</summary>
|
||||
public short lastBlock;
|
||||
public short LastBlock;
|
||||
/// <summary>0x04, entry type</summary>
|
||||
public PascalFileKind entryType;
|
||||
public PascalFileKind EntryType;
|
||||
/// <summary>0x06, file name</summary>
|
||||
public byte[] filename;
|
||||
public byte[] Filename;
|
||||
/// <summary>0x16, bytes used in last block</summary>
|
||||
public short lastBytes;
|
||||
public short LastBytes;
|
||||
/// <summary>0x18, modification time</summary>
|
||||
public short mtime;
|
||||
public short ModificationTime;
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -49,30 +49,39 @@ namespace DiscImageChef.Filesystems.UCSDPascal
|
||||
this.debug = debug;
|
||||
if(device.GetSectors() < 3) return Errno.InvalidArgument;
|
||||
|
||||
multiplier = (uint)(device.ImageInfo.SectorSize == 256 ? 2 : 1);
|
||||
|
||||
// Blocks 0 and 1 are boot code
|
||||
catalogBlocks = device.ReadSector(2);
|
||||
catalogBlocks = device.ReadSectors(multiplier * 2, multiplier);
|
||||
|
||||
BigEndianBitConverter.IsLittleEndian = BitConverter.IsLittleEndian;
|
||||
// On Apple //, it's little endian
|
||||
BigEndianBitConverter.IsLittleEndian =
|
||||
multiplier == 2 ? !BitConverter.IsLittleEndian : BitConverter.IsLittleEndian;
|
||||
|
||||
mountedVolEntry.firstBlock = BigEndianBitConverter.ToInt16(catalogBlocks, 0x00);
|
||||
mountedVolEntry.lastBlock = BigEndianBitConverter.ToInt16(catalogBlocks, 0x02);
|
||||
mountedVolEntry.entryType = (PascalFileKind)BigEndianBitConverter.ToInt16(catalogBlocks, 0x04);
|
||||
mountedVolEntry.volumeName = new byte[8];
|
||||
Array.Copy(catalogBlocks, 0x06, mountedVolEntry.volumeName, 0, 8);
|
||||
mountedVolEntry.blocks = BigEndianBitConverter.ToInt16(catalogBlocks, 0x0E);
|
||||
mountedVolEntry.files = BigEndianBitConverter.ToInt16(catalogBlocks, 0x10);
|
||||
mountedVolEntry.dummy = BigEndianBitConverter.ToInt16(catalogBlocks, 0x12);
|
||||
mountedVolEntry.lastBoot = BigEndianBitConverter.ToInt16(catalogBlocks, 0x14);
|
||||
mountedVolEntry.tail = BigEndianBitConverter.ToInt32(catalogBlocks, 0x16);
|
||||
mountedVolEntry.FirstBlock = BigEndianBitConverter.ToInt16(catalogBlocks, 0x00);
|
||||
mountedVolEntry.LastBlock = BigEndianBitConverter.ToInt16(catalogBlocks, 0x02);
|
||||
mountedVolEntry.EntryType = (PascalFileKind)BigEndianBitConverter.ToInt16(catalogBlocks, 0x04);
|
||||
mountedVolEntry.VolumeName = new byte[8];
|
||||
Array.Copy(catalogBlocks, 0x06, mountedVolEntry.VolumeName, 0, 8);
|
||||
mountedVolEntry.Blocks = BigEndianBitConverter.ToInt16(catalogBlocks, 0x0E);
|
||||
mountedVolEntry.Files = BigEndianBitConverter.ToInt16(catalogBlocks, 0x10);
|
||||
mountedVolEntry.Dummy = BigEndianBitConverter.ToInt16(catalogBlocks, 0x12);
|
||||
mountedVolEntry.LastBoot = BigEndianBitConverter.ToInt16(catalogBlocks, 0x14);
|
||||
mountedVolEntry.Tail = BigEndianBitConverter.ToInt32(catalogBlocks, 0x16);
|
||||
|
||||
if(mountedVolEntry.firstBlock != 0 || mountedVolEntry.lastBlock <= mountedVolEntry.firstBlock ||
|
||||
(ulong)mountedVolEntry.lastBlock > device.GetSectors() - 2 ||
|
||||
mountedVolEntry.entryType != PascalFileKind.Volume &&
|
||||
mountedVolEntry.entryType != PascalFileKind.Secure || mountedVolEntry.volumeName[0] > 7 ||
|
||||
mountedVolEntry.blocks < 0 || (ulong)mountedVolEntry.blocks != device.GetSectors() ||
|
||||
mountedVolEntry.files < 0) return Errno.InvalidArgument;
|
||||
if(mountedVolEntry.FirstBlock != 0 ||
|
||||
mountedVolEntry.LastBlock <= mountedVolEntry.FirstBlock ||
|
||||
(ulong)mountedVolEntry.LastBlock > device.ImageInfo.Sectors / multiplier - 2 ||
|
||||
mountedVolEntry.EntryType != PascalFileKind.Volume &&
|
||||
mountedVolEntry.EntryType != PascalFileKind.Secure ||
|
||||
mountedVolEntry.VolumeName[0] > 7 ||
|
||||
mountedVolEntry.Blocks < 0 ||
|
||||
(ulong)mountedVolEntry.Blocks != device.ImageInfo.Sectors / multiplier ||
|
||||
mountedVolEntry.Files < 0) return Errno.InvalidArgument;
|
||||
|
||||
catalogBlocks = device.ReadSectors(2, (uint)(mountedVolEntry.lastBlock - mountedVolEntry.firstBlock - 2));
|
||||
catalogBlocks = device.ReadSectors(multiplier * 2,
|
||||
(uint)(mountedVolEntry.LastBlock - mountedVolEntry.FirstBlock - 2) *
|
||||
multiplier);
|
||||
int offset = 26;
|
||||
|
||||
fileEntries = new List<PascalFileEntry>();
|
||||
@@ -80,31 +89,31 @@ namespace DiscImageChef.Filesystems.UCSDPascal
|
||||
{
|
||||
PascalFileEntry entry = new PascalFileEntry
|
||||
{
|
||||
filename = new byte[16],
|
||||
firstBlock = BigEndianBitConverter.ToInt16(catalogBlocks, offset + 0x00),
|
||||
lastBlock = BigEndianBitConverter.ToInt16(catalogBlocks, offset + 0x02),
|
||||
entryType = (PascalFileKind)BigEndianBitConverter.ToInt16(catalogBlocks, offset + 0x04),
|
||||
lastBytes = BigEndianBitConverter.ToInt16(catalogBlocks, offset + 0x16),
|
||||
mtime = BigEndianBitConverter.ToInt16(catalogBlocks, offset + 0x18)
|
||||
Filename = new byte[16],
|
||||
FirstBlock = BigEndianBitConverter.ToInt16(catalogBlocks, offset + 0x00),
|
||||
LastBlock = BigEndianBitConverter.ToInt16(catalogBlocks, offset + 0x02),
|
||||
EntryType = (PascalFileKind)BigEndianBitConverter.ToInt16(catalogBlocks, offset + 0x04),
|
||||
LastBytes = BigEndianBitConverter.ToInt16(catalogBlocks, offset + 0x16),
|
||||
ModificationTime = BigEndianBitConverter.ToInt16(catalogBlocks, offset + 0x18)
|
||||
};
|
||||
Array.Copy(catalogBlocks, offset + 0x06, entry.filename, 0, 16);
|
||||
Array.Copy(catalogBlocks, offset + 0x06, entry.Filename, 0, 16);
|
||||
|
||||
if(entry.filename[0] <= 15 && entry.filename[0] > 0) fileEntries.Add(entry);
|
||||
if(entry.Filename[0] <= 15 && entry.Filename[0] > 0) fileEntries.Add(entry);
|
||||
|
||||
offset += 26;
|
||||
}
|
||||
|
||||
bootBlocks = device.ReadSectors(0, 2);
|
||||
bootBlocks = device.ReadSectors(0, 2 * multiplier);
|
||||
|
||||
XmlFsType = new FileSystemType
|
||||
{
|
||||
Bootable = !ArrayHelpers.ArrayIsNullOrEmpty(bootBlocks),
|
||||
Clusters = mountedVolEntry.blocks,
|
||||
ClusterSize = (int)device.GetSectorSize(),
|
||||
Files = mountedVolEntry.files,
|
||||
Clusters = mountedVolEntry.Blocks,
|
||||
ClusterSize = (int)device.ImageInfo.SectorSize,
|
||||
Files = mountedVolEntry.Files,
|
||||
FilesSpecified = true,
|
||||
Type = "UCSD Pascal",
|
||||
VolumeName = StringHandlers.PascalToString(mountedVolEntry.volumeName, CurrentEncoding)
|
||||
VolumeName = StringHandlers.PascalToString(mountedVolEntry.VolumeName, CurrentEncoding)
|
||||
};
|
||||
|
||||
mounted = true;
|
||||
@@ -123,16 +132,17 @@ namespace DiscImageChef.Filesystems.UCSDPascal
|
||||
{
|
||||
stat = new FileSystemInfo
|
||||
{
|
||||
Blocks = mountedVolEntry.blocks,
|
||||
Blocks = mountedVolEntry.Blocks,
|
||||
FilenameLength = 16,
|
||||
Files = (ulong)mountedVolEntry.files,
|
||||
Files = (ulong)mountedVolEntry.Files,
|
||||
FreeBlocks = 0,
|
||||
PluginId = PluginUuid,
|
||||
Type = "UCSD Pascal"
|
||||
};
|
||||
|
||||
stat.FreeBlocks = mountedVolEntry.blocks - (mountedVolEntry.lastBlock - mountedVolEntry.firstBlock);
|
||||
foreach(PascalFileEntry entry in fileEntries) stat.FreeBlocks -= entry.lastBlock - entry.firstBlock;
|
||||
stat.FreeBlocks = mountedVolEntry.Blocks - (mountedVolEntry.LastBlock - mountedVolEntry.FirstBlock);
|
||||
|
||||
foreach(PascalFileEntry entry in fileEntries) stat.FreeBlocks -= entry.LastBlock - entry.FirstBlock;
|
||||
|
||||
return Errno.NotImplemented;
|
||||
}
|
||||
|
||||
@@ -50,6 +50,8 @@ namespace DiscImageChef.Filesystems.UCSDPascal
|
||||
bool mounted;
|
||||
|
||||
PascalVolumeEntry mountedVolEntry;
|
||||
/// <summary>Apple II disks use 256 bytes / sector, but filesystem assumes it's 512 bytes / sector</summary>
|
||||
uint multiplier;
|
||||
|
||||
public PascalPlugin()
|
||||
{
|
||||
|
||||
Reference in New Issue
Block a user