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Fix decoding multiblock directories in Opera filesystem.

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This commit is contained in:
Natalia Portillo
2019-08-02 01:42:22 +01:00
parent 1a6baf1b16
commit faf0931220
1 changed files with 6 additions and 5 deletions
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11
DiscImageChef.Filesystems/Opera/Dir.cs
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@@ -73,12 +73,13 @@ namespace DiscImageChef.Filesystems
int nextBlock = firstBlock;
DirectoryHeader header;
do
{
byte[] data =
image.ReadSectors((ulong)(nextBlock * volumeBlockSizeRatio), volumeBlockSizeRatio);
DirectoryHeader header = Marshal.ByteArrayToStructureBigEndian<DirectoryHeader>(data);
nextBlock = header.next_block;
byte[] data = image.ReadSectors((ulong)(nextBlock * volumeBlockSizeRatio), volumeBlockSizeRatio);
header = Marshal.ByteArrayToStructureBigEndian<DirectoryHeader>(data);
nextBlock = header.next_block + firstBlock;
int off = (int)header.first_used;
@@ -106,7 +107,7 @@ namespace DiscImageChef.Filesystems
if((entry.flags & (uint)FileFlags.LastEntry) != 0) break;
}
while(nextBlock != -1);
while(header.next_block != -1);
return entries;
}