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Add support for negative sectors to read and write sector calls in images.

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This commit is contained in:
Natalia Portillo
2025-10-23 03:07:43 +01:00
parent 0c19fe1b11
commit 69738f5f1a
289 changed files with 2676 additions and 1352 deletions
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31
Aaru.Images/DART/Read.cs
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@@ -303,23 +303,26 @@ public sealed partial class Dart
}
/// <inheritdoc />
public ErrorNumber ReadSector(ulong sectorAddress, out byte[] buffer, out SectorStatus sectorStatus)
public ErrorNumber ReadSector(ulong sectorAddress, bool negative, out byte[] buffer, out SectorStatus sectorStatus)
{
sectorStatus = SectorStatus.Dumped;
return ReadSectors(sectorAddress, 1, out buffer, out _);
return ReadSectors(sectorAddress, negative, 1, out buffer, out _);
}
/// <inheritdoc />
public ErrorNumber ReadSectorTag(ulong sectorAddress, SectorTagType tag, out byte[] buffer) =>
ReadSectorsTag(sectorAddress, 1, tag, out buffer);
public ErrorNumber ReadSectorTag(ulong sectorAddress, bool negative, SectorTagType tag, out byte[] buffer) =>
ReadSectorsTag(sectorAddress, negative, 1, tag, out buffer);
/// <inheritdoc />
public ErrorNumber ReadSectors(ulong sectorAddress, uint length, out byte[] buffer, out SectorStatus[] sectorStatus)
public ErrorNumber ReadSectors(ulong sectorAddress, bool negative, uint length, out byte[] buffer,
out SectorStatus[] sectorStatus)
{
buffer = null;
sectorStatus = null;
if(negative) return ErrorNumber.NotSupported;
if(sectorAddress > _imageInfo.Sectors - 1) return ErrorNumber.OutOfRange;
if(sectorAddress + length > _imageInfo.Sectors) return ErrorNumber.OutOfRange;
@@ -334,10 +337,13 @@ public sealed partial class Dart
}
/// <inheritdoc />
public ErrorNumber ReadSectorsTag(ulong sectorAddress, uint length, SectorTagType tag, out byte[] buffer)
public ErrorNumber ReadSectorsTag(ulong sectorAddress, bool negative, uint length, SectorTagType tag,
out byte[] buffer)
{
buffer = null;
if(negative) return ErrorNumber.NotSupported;
if(tag != SectorTagType.AppleSonyTag) return ErrorNumber.NotSupported;
if(_tagCache == null || _tagCache.Length == 0) return ErrorNumber.NoData;
@@ -354,29 +360,32 @@ public sealed partial class Dart
}
/// <inheritdoc />
public ErrorNumber ReadSectorLong(ulong sectorAddress, out byte[] buffer, out SectorStatus sectorStatus)
public ErrorNumber ReadSectorLong(ulong sectorAddress, bool negative, out byte[] buffer,
out SectorStatus sectorStatus)
{
sectorStatus = SectorStatus.Dumped;
return ReadSectorsLong(sectorAddress, 1, out buffer, out _);
return ReadSectorsLong(sectorAddress, negative, 1, out buffer, out _);
}
/// <inheritdoc />
public ErrorNumber ReadSectorsLong(ulong sectorAddress, uint length, out byte[] buffer,
public ErrorNumber ReadSectorsLong(ulong sectorAddress, bool negative, uint length, out byte[] buffer,
out SectorStatus[] sectorStatus)
{
buffer = null;
sectorStatus = null;
if(negative) return ErrorNumber.NotSupported;
if(sectorAddress > _imageInfo.Sectors - 1) return ErrorNumber.OutOfRange;
if(sectorAddress + length > _imageInfo.Sectors) return ErrorNumber.OutOfRange;
ErrorNumber errno = ReadSectors(sectorAddress, length, out byte[] data, out sectorStatus);
ErrorNumber errno = ReadSectors(sectorAddress, false, length, out byte[] data, out sectorStatus);
if(errno != ErrorNumber.NoError) return errno;
errno = ReadSectorsTag(sectorAddress, length, SectorTagType.AppleSonyTag, out byte[] tags);
errno = ReadSectorsTag(sectorAddress, false, length, SectorTagType.AppleSonyTag, out byte[] tags);
if(errno != ErrorNumber.NoError) return errno;