private void DeflateInit(ZLibNative.CompressionLevel compressionLevel, Int32 windowBits, Int32 memLevel, ZLibNative.CompressionStrategy strategy)
{
var errorCode = ZLibNative.CreateZLibStreamForDeflate(out m_handle, compressionLevel, windowBits, memLevel, strategy);
switch (errorCode)
{
case ZLibNative.ErrorCode.Ok:
return;
case ZLibNative.ErrorCode.MemError:
throw new IOException("The underlying compression routine could not reserve sufficient memory.");
case ZLibNative.ErrorCode.VersionError:
throw new IOException("The version of the underlying compression routine does not match expected version.");
case ZLibNative.ErrorCode.StreamError:
throw new IOException("The underlying compression routine received incorrect initialization parameters.");
default:
throw new IOException($"The underlying compression routine returned an unexpected error code {errorCode}.");
}
}
private void InflateInit(Int32 windowBits)
{
var error = ZLibNative.CreateZLibStreamForInflate(out m_handle, windowBits);
switch (error)
{
case ZLibNative.ErrorCode.Ok:
return;
case ZLibNative.ErrorCode.MemError:
throw new IOException("The underlying compression routine could not reserve sufficient memory.");
case ZLibNative.ErrorCode.VersionError: //zlib library is incompatible with the version assumed
throw new IOException("The version of the underlying compression routine does not match expected version.");
case ZLibNative.ErrorCode.StreamError: // Parameters are invalid
throw new IOException("The underlying compression routine received incorrect initialization parameters.");
default:
throw new IOException($"The underlying compression routine returned an unexpected error code {error}.");
}
}
