// Writes the current header's data stream into the archive stream.
private static void WriteData(Stream archiveStream, Stream dataStream, long actualLength)
{
dataStream.CopyTo(archiveStream); // The data gets copied from the current position
int paddingAfterData = TarHelpers.CalculatePadding(actualLength);
archiveStream.Write(new byte[paddingAfterData]);
}
// Asynchronously writes the current header's data stream into the archive stream.
private static async Task WriteDataAsync(Stream archiveStream, Stream dataStream, long actualLength, CancellationToken cancellationToken)
{
cancellationToken.ThrowIfCancellationRequested();
await dataStream.CopyToAsync(archiveStream, cancellationToken).ConfigureAwait(false); // The data gets copied from the current position
int paddingAfterData = TarHelpers.CalculatePadding(actualLength);
await archiveStream.WriteAsync(new byte[paddingAfterData], cancellationToken).ConfigureAwait(false);
}
// Writes the current header's data stream into the archive stream.
private static void WriteData(Stream archiveStream, Stream dataStream, long actualLength)
{
dataStream.CopyTo(archiveStream); // The data gets copied from the current position
int paddingAfterData = TarHelpers.CalculatePadding(actualLength);
if (paddingAfterData != 0)
{
Debug.Assert(paddingAfterData <= TarHelpers.RecordSize);
Span <byte> padding = stackalloc byte[TarHelpers.RecordSize];
padding = padding.Slice(0, paddingAfterData);
padding.Clear();
archiveStream.Write(padding);
}
}
// Asynchronously writes the current header's data stream into the archive stream.
private static async Task WriteDataAsync(Stream archiveStream, Stream dataStream, long actualLength, CancellationToken cancellationToken)
{
cancellationToken.ThrowIfCancellationRequested();
await dataStream.CopyToAsync(archiveStream, cancellationToken).ConfigureAwait(false); // The data gets copied from the current position
int paddingAfterData = TarHelpers.CalculatePadding(actualLength);
if (paddingAfterData != 0)
{
byte[] buffer = ArrayPool <byte> .Shared.Rent(paddingAfterData);
Array.Clear(buffer, 0, paddingAfterData);
await archiveStream.WriteAsync(buffer.AsMemory(0, paddingAfterData), cancellationToken).ConfigureAwait(false);
ArrayPool <byte> .Shared.Return(buffer);
}
}
