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[Aaru.Images] Reformat and cleanup.

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This commit is contained in:
Natalia Portillo
2023-10-03 23:34:59 +01:00
parent 6ffde343ce
commit 2cfad87955
432 changed files with 12011 additions and 8261 deletions
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50
Aaru.Images/QCOW/Write.cs
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@@ -46,9 +46,11 @@ namespace Aaru.DiscImages;
public sealed partial class Qcow
{
#region IWritableImage Members
/// <inheritdoc />
public bool Create(string path, MediaType mediaType, Dictionary<string, string> options, ulong sectors,
uint sectorSize)
uint sectorSize)
{
if(sectorSize != 512)
{
@@ -97,22 +99,22 @@ public sealed partial class Qcow
size = sectors * sectorSize,
cluster_bits = 12,
l2_bits = 9,
l1_table_offset = (ulong)((Marshal.SizeOf<Header>() + 7) & ~7)
l1_table_offset = (ulong)(Marshal.SizeOf<Header>() + 7 & ~7)
};
int shift = _qHdr.cluster_bits + _qHdr.l2_bits;
_clusterSize = 1 << _qHdr.cluster_bits;
_clusterSectors = 1 << (_qHdr.cluster_bits - 9);
_l1Size = (uint)((_qHdr.size + (ulong)(1 << shift) - 1) >> shift);
_clusterSectors = 1 << _qHdr.cluster_bits - 9;
_l1Size = (uint)(_qHdr.size + (ulong)(1 << shift) - 1 >> shift);
_l2Size = 1 << _qHdr.l2_bits;
_l1Table = new ulong[_l1Size];
_l1Mask = 0;
int c = 0;
var c = 0;
_l1Shift = _qHdr.l2_bits + _qHdr.cluster_bits;
for(int i = 0; i < 64; i++)
for(var i = 0; i < 64; i++)
{
_l1Mask <<= 1;
@@ -125,17 +127,17 @@ public sealed partial class Qcow
_l2Mask = 0;
for(int i = 0; i < _qHdr.l2_bits; i++)
for(var i = 0; i < _qHdr.l2_bits; i++)
_l2Mask = (_l2Mask << 1) + 1;
_l2Mask <<= _qHdr.cluster_bits;
_sectorMask = 0;
for(int i = 0; i < _qHdr.cluster_bits; i++)
for(var i = 0; i < _qHdr.cluster_bits; i++)
_sectorMask = (_sectorMask << 1) + 1;
byte[] empty = new byte[_qHdr.l1_table_offset + (_l1Size * 8)];
var empty = new byte[_qHdr.l1_table_offset + _l1Size * 8];
_writingStream.Write(empty, 0, empty.Length);
IsWriting = true;
@@ -196,7 +198,7 @@ public sealed partial class Qcow
{
_writingStream.Seek(0, SeekOrigin.End);
_l1Table[l1Off] = (ulong)((_writingStream.Length + _clusterSize - 1) / _clusterSize * _clusterSize);
byte[] l2TableB = new byte[_l2Size * 8];
var l2TableB = new byte[_l2Size * 8];
_writingStream.Position = (long)_l1Table[l1Off];
_writingStream.Write(l2TableB, 0, l2TableB.Length);
}
@@ -205,18 +207,18 @@ public sealed partial class Qcow
ulong l2Off = (byteAddress & _l2Mask) >> _qHdr.cluster_bits;
_writingStream.Seek((long)(_l1Table[l1Off] + (l2Off * 8)), SeekOrigin.Begin);
_writingStream.Seek((long)(_l1Table[l1Off] + l2Off * 8), SeekOrigin.Begin);
byte[] entry = new byte[8];
var entry = new byte[8];
_writingStream.EnsureRead(entry, 0, 8);
ulong offset = BigEndianBitConverter.ToUInt64(entry, 0);
var offset = BigEndianBitConverter.ToUInt64(entry, 0);
if(offset == 0)
{
offset = (ulong)_writingStream.Length;
byte[] cluster = new byte[_clusterSize];
var cluster = new byte[_clusterSize];
entry = BigEndianBitConverter.GetBytes(offset);
_writingStream.Seek((long)(_l1Table[l1Off] + (l2Off * 8)), SeekOrigin.Begin);
_writingStream.Seek((long)(_l1Table[l1Off] + l2Off * 8), SeekOrigin.Begin);
_writingStream.Write(entry, 0, 8);
_writingStream.Seek(0, SeekOrigin.End);
_writingStream.Write(cluster, 0, cluster.Length);
@@ -261,7 +263,7 @@ public sealed partial class Qcow
for(uint i = 0; i < length; i++)
{
byte[] tmp = new byte[_imageInfo.SectorSize];
var tmp = new byte[_imageInfo.SectorSize];
Array.Copy(data, i * _imageInfo.SectorSize, tmp, 0, _imageInfo.SectorSize);
if(!WriteSector(tmp, sectorAddress + i))
@@ -302,16 +304,16 @@ public sealed partial class Qcow
_qHdr.mtime = (uint)(DateTime.Now - new DateTime(1970, 1, 1, 0, 0, 0)).TotalSeconds;
_writingStream.Seek(0, SeekOrigin.Begin);
_writingStream.Write(BigEndianBitConverter.GetBytes(_qHdr.magic), 0, 4);
_writingStream.Write(BigEndianBitConverter.GetBytes(_qHdr.version), 0, 4);
_writingStream.Write(BigEndianBitConverter.GetBytes(_qHdr.magic), 0, 4);
_writingStream.Write(BigEndianBitConverter.GetBytes(_qHdr.version), 0, 4);
_writingStream.Write(BigEndianBitConverter.GetBytes(_qHdr.backing_file_offset), 0, 8);
_writingStream.Write(BigEndianBitConverter.GetBytes(_qHdr.backing_file_size), 0, 4);
_writingStream.Write(BigEndianBitConverter.GetBytes(_qHdr.mtime), 0, 4);
_writingStream.Write(BigEndianBitConverter.GetBytes(_qHdr.size), 0, 8);
_writingStream.Write(BigEndianBitConverter.GetBytes(_qHdr.backing_file_size), 0, 4);
_writingStream.Write(BigEndianBitConverter.GetBytes(_qHdr.mtime), 0, 4);
_writingStream.Write(BigEndianBitConverter.GetBytes(_qHdr.size), 0, 8);
_writingStream.WriteByte(_qHdr.cluster_bits);
_writingStream.WriteByte(_qHdr.l2_bits);
_writingStream.Write(BigEndianBitConverter.GetBytes(_qHdr.padding), 0, 2);
_writingStream.Write(BigEndianBitConverter.GetBytes(_qHdr.crypt_method), 0, 4);
_writingStream.Write(BigEndianBitConverter.GetBytes(_qHdr.padding), 0, 2);
_writingStream.Write(BigEndianBitConverter.GetBytes(_qHdr.crypt_method), 0, 4);
_writingStream.Write(BigEndianBitConverter.GetBytes(_qHdr.l1_table_offset), 0, 8);
_writingStream.Seek((long)_qHdr.l1_table_offset, SeekOrigin.Begin);
@@ -358,4 +360,6 @@ public sealed partial class Qcow
/// <inheritdoc />
public bool SetMetadata(Metadata metadata) => false;
#endregion
}