public void Corrupt(NativeMappedFileByteProvider prov, long start, long end)
{
try
{
prov.DisableByteWritten(true);
long total_length = end - start;
long chunks = total_length / CHUNK_LENGTH;
long remaining = total_length % CHUNK_LENGTH;
var generator = GetGenerator();
byte[] temp_chunk = new byte[CHUNK_LENGTH];
for (long chunk = 0; chunk < chunks; ++chunk)
{
long ofs = start + (chunk * CHUNK_LENGTH);
// No point reading chunk if we're just going to overwrite it.
byte[] data = _op == CorruptSectionOperation.Overwrite ? temp_chunk : prov.ReadBytes(ofs, CHUNK_LENGTH);
ApplyOperationToArray(data, generator, _op);
prov.WriteBytes(ofs, data);
}
if (remaining > 0)
{
long ofs = start + (chunks * CHUNK_LENGTH);
byte[] data = _op == CorruptSectionOperation.Overwrite ? temp_chunk : prov.ReadBytes(ofs, (int)remaining);
ApplyOperationToArray(data, generator, _op);
prov.WriteBytes(ofs, data);
}
}
finally
{
prov.DisableByteWritten(false);
}
}
private SectionEditorForm(NativeMappedFile map, bool readOnly)
{
_random = new Random();
_map = map;
_readOnly = readOnly;
_prov = new NativeMappedFileByteProvider(_map, _readOnly);
InitializeComponent();
if (_readOnly)
{
corruptToolStripMenuItem.Visible = false;
loadFromFileToolStripMenuItem.Visible = false;
}
hexBox.ByteProvider = _prov;
Disposed += SectionEditorForm_Disposed;
}
private SectionEditorForm(NtMappedSection map, bool readOnly)
{
_random = new Random();
_map = map;
_readOnly = readOnly;
_prov = new NativeMappedFileByteProvider(_map, _readOnly);
InitializeComponent();
if (_readOnly)
{
corruptToolStripMenuItem.Visible = false;
loadFromFileToolStripMenuItem.Visible = false;
}
hexBox.ByteProvider = _prov;
Disposed += SectionEditorForm_Disposed;
}
private SectionEditorForm(NtMappedSection map, bool readOnly, long length)
{
_random = new Random();
_map = map;
_readOnly = readOnly;
_prov = new NativeMappedFileByteProvider(_map, _readOnly, length);
_prov.ByteWritten += _prov_ByteWritten;
InitializeComponent();
if (_readOnly)
{
corruptToolStripMenuItem.Visible = false;
loadFromFileToolStripMenuItem.Visible = false;
}
loadFromFileToolStripMenuItem.Enabled = !_readOnly;
toolStripButtonLoad.Enabled = !_readOnly;
hexBox.ByteProvider = _prov;
InitDataInspectors();
UpdateDataInspectors();
Disposed += SectionEditorForm_Disposed;
}
