Method code for $connection.rehash_read_status()

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---

  1: switch (read_block.status()) {
  2:     case 'abort:
  3:         .abort_reading_block();
  4:     case 'not_done:
  5:         // do nothing
  6:     case 'done:
  7:         .finish_reading_block();
  8:     case 'pass_command:
  9:         return read_block.command();
 10: }
 11: return 0;

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// Created 22-Aug-1995 as a part of ColdCore, see: @help Credit