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Decode Amiga extensions to ISO9660.

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This commit is contained in:
Natalia Portillo
2019-07-28 17:29:45 +01:00
parent f761df9fc9
commit 282781cfd1
4 changed files with 63 additions and 0 deletions
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38
DiscImageChef.Filesystems/ISO9660/Dir.cs
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@@ -390,6 +390,44 @@ namespace DiscImageChef.Filesystems.ISO9660
// All of these follow the SUSP indication of 2 bytes for signature 1 byte for length
case AAIP_MAGIC:
case AMIGA_MAGIC:
AmigaEntry amiga =
Marshal.ByteArrayToStructureBigEndian<AmigaEntry>(data, systemAreaOff,
Marshal.SizeOf<AmigaEntry>());
int protectionLength = 0;
if(amiga.flags.HasFlag(AmigaFlags.Protection))
{
entry.AmigaProtection =
Marshal.ByteArrayToStructureBigEndian<AmigaProtection>(data,
systemAreaOff +
Marshal.SizeOf<AmigaEntry>(),
Marshal
.SizeOf<AmigaProtection>());
protectionLength = Marshal.SizeOf<AmigaProtection>();
}
if(amiga.flags.HasFlag(AmigaFlags.Comment))
{
if(entry.AmigaComment is null) entry.AmigaComment = new byte[0];
byte[] newComment = new byte[entry.AmigaComment.Length +
data
[systemAreaOff + Marshal.SizeOf<AmigaEntry>() + protectionLength] -
1];
Array.Copy(entry.AmigaComment, 0, newComment, 0, entry.AmigaComment.Length);
Array.Copy(data, systemAreaOff + Marshal.SizeOf<AmigaEntry>() + protectionLength,
newComment, entry.AmigaComment.Length,
data[systemAreaOff + Marshal.SizeOf<AmigaEntry>() + protectionLength] - 1);
entry.AmigaComment = newComment;
}
systemAreaOff += amiga.length;
break;
case RRIP_MAGIC:
case RRIP_POSIX_ATTRIBUTES:
case RRIP_POSIX_DEV_NO: