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Skeleton for reading Opera filesystem.

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This commit is contained in:
Natalia Portillo
2019-08-01 16:21:10 +01:00
parent 1890d6ac28
commit ba754e01a5
9 changed files with 177 additions and 77 deletions
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41
DiscImageChef.Filesystems/Opera/Structs.cs Normal file
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using System.Runtime.InteropServices;
namespace DiscImageChef.Filesystems
{
public partial class OperaFS
{
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct OperaSuperBlock
{
/// <summary>0x000, Record type, must be 1</summary>
public readonly byte record_type;
/// <summary>0x001, 5 bytes, "ZZZZZ"</summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 5)]
public byte[] sync_bytes;
/// <summary>0x006, Record version, must be 1</summary>
public readonly byte record_version;
/// <summary>0x007, Volume flags</summary>
public readonly byte volume_flags;
/// <summary>0x008, 32 bytes, volume comment</summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 32)]
public readonly byte[] volume_comment;
/// <summary>0x028, 32 bytes, volume label</summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 32)]
public readonly byte[] volume_label;
/// <summary>0x048, Volume ID</summary>
public readonly int volume_id;
/// <summary>0x04C, Block size in bytes</summary>
public readonly int block_size;
/// <summary>0x050, Blocks in volume</summary>
public readonly int block_count;
/// <summary>0x054, Root directory ID</summary>
public readonly int root_dirid;
/// <summary>0x058, Root directory blocks</summary>
public readonly int rootdir_blocks;
/// <summary>0x05C, Root directory block size</summary>
public readonly int rootdir_bsize;
/// <summary>0x060, Last root directory copy</summary>
public readonly int last_root_copy;
}
}
}