/// <summary>Gets the maximum compressed length for given input length.</summary>
/// <param name="inputLength">The input length.</param>
/// <returns>Maximum compressed length.</returns>
public static int GetMaximumCompressedLength(int inputLength)
{
if (IntPtr.Size == 4)
{
return(Snappy32.GetMaximumCompressedLength(inputLength));
}
else
{
// checked - exception here is better than just random errors later
return(checked ((int)Snappy64.GetMaximumCompressedLength(inputLength)));
}
}
/// <summary>Compresses the specified input.</summary>
/// <param name="input">The input.</param>
/// <param name="inputLength">Length of the input.</param>
/// <param name="output">The output.</param>
/// <param name="outputLength">Length of the output.</param>
/// <returns>Status.</returns>
public static unsafe SnappyStatus Compress(
byte *input, int inputLength, byte *output, ref int outputLength)
{
if (IntPtr.Size == 4)
{
return(Snappy32.Compress(input, inputLength, output, ref outputLength));
}
else
{
long l = outputLength;
var result = Snappy64.Compress(input, inputLength, output, ref l);
// checked - exception here is better than just random errors later
outputLength = checked ((int)l);
return(result);
}
}
/// <summary>Gets the uncompressed length.</summary>
/// <param name="compressed">The compressed buffer.</param>
/// <param name="compressedLength">Length of the compressed buffer.</param>
/// <param name="uncompressedLength">Returns uncompressed length.</param>
/// <returns>Status.</returns>
public static unsafe SnappyStatus GetUncompressedLength(
byte *compressed, int compressedLength, ref int uncompressedLength)
{
if (IntPtr.Size == 4)
{
return(Snappy32.GetUncompressedLength(compressed, compressedLength, ref uncompressedLength));
}
else
{
long l = uncompressedLength;
var result = Snappy64.GetUncompressedLength(compressed, compressedLength, ref l);
// checked - exception here is better than just random errors later
uncompressedLength = checked ((int)l);
return(result);
}
}