public static void CheckError(IntPtr error)
{
if (error != IntPtr.Zero)
{
string message = Marshal.PtrToStringAnsi(error);
Native.leveldb_free(error);
throw new LevelDBException(message);
}
}
public byte[] Get(ReadOptions options, byte[] key)
{
IntPtr value = Native.leveldb_get(handle, options.handle, key, (UIntPtr)key.Length, out UIntPtr length, out IntPtr error);
try
{
if (error != IntPtr.Zero)
{
Native.leveldb_free(error);
return(null);
}
return(value.ToByteArray(length));
}
finally
{
if (value != IntPtr.Zero)
{
Native.leveldb_free(value);
}
}
}