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Add missing Opera structs and constants.

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This commit is contained in:
Natalia Portillo
2019-08-01 17:00:30 +01:00
parent ba754e01a5
commit cdcb32ccfc
3 changed files with 111 additions and 17 deletions
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87
DiscImageChef.Filesystems/Opera/Structs.cs
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@@ -5,7 +5,7 @@ namespace DiscImageChef.Filesystems
public partial class OperaFS
{
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct OperaSuperBlock
struct SuperBlock
{
/// <summary>0x000, Record type, must be 1</summary>
public readonly byte record_type;
@@ -17,25 +17,92 @@ namespace DiscImageChef.Filesystems
/// <summary>0x007, Volume flags</summary>
public readonly byte volume_flags;
/// <summary>0x008, 32 bytes, volume comment</summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 32)]
[MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_NAME)]
public readonly byte[] volume_comment;
/// <summary>0x028, 32 bytes, volume label</summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 32)]
[MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_NAME)]
public readonly byte[] volume_label;
/// <summary>0x048, Volume ID</summary>
public readonly int volume_id;
public readonly uint volume_id;
/// <summary>0x04C, Block size in bytes</summary>
public readonly int block_size;
public readonly uint block_size;
/// <summary>0x050, Blocks in volume</summary>
public readonly int block_count;
public readonly uint block_count;
/// <summary>0x054, Root directory ID</summary>
public readonly int root_dirid;
public readonly uint root_dirid;
/// <summary>0x058, Root directory blocks</summary>
public readonly int rootdir_blocks;
public readonly uint rootdir_blocks;
/// <summary>0x05C, Root directory block size</summary>
public readonly int rootdir_bsize;
public readonly uint rootdir_bsize;
/// <summary>0x060, Last root directory copy</summary>
public readonly int last_root_copy;
public readonly uint last_root_copy;
}
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct DirectoryHeader
{
/// <summary>
/// Next block from this directory, -1 if last
/// </summary>
public readonly int next_block;
/// <summary>
/// Previous block from this directory, -1 if first
/// </summary>
public readonly int prev_block;
/// <summary>
/// Directory flags
/// </summary>
public readonly uint flags;
/// <summary>
/// Offset to first free unused byte in the directory
/// </summary>
public readonly uint first_free;
/// <summary>
/// Offset to first directory entry
/// </summary>
public readonly uint first_used;
}
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct DirectoryEntry
{
/// <summary>
/// File flags, see <see cref="FileFlags" />
/// </summary>
public readonly uint flags;
/// <summary>
/// Unique file identifier
/// </summary>
public readonly uint id;
/// <summary>
/// Entry type
/// </summary>
public readonly uint type;
/// <summary>
/// Block size
/// </summary>
public readonly uint block_size;
/// <summary>
/// Block count
/// </summary>
public readonly uint block_count;
/// <summary>
/// Unknown
/// </summary>
public readonly uint burst;
/// <summary>
/// Unknown
/// </summary>
public readonly uint gap;
/// <summary>
/// Filename
/// </summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_NAME)]
public readonly byte[] name;
/// <summary>
/// Last copy
/// </summary>
public readonly uint last_copy;
}
}
}