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Ken Brown 3d37fd9cef Cygwin: AF_UNIX: improve control message handling
This includes various changes to create_cmsg_data and
evaluate_cmsg_data.  The most important are:

- create_cmsg_data now allows only one SCM_RIGHTS message and one
  SCM_CREDENTIALS message.

- evaluate_cmsg_data now truncates the ancillary data to the number of
  control messages that will fit in the supplied buffer.  Previously
  it discarded all control messages if the buffer was too small.

See https://man7.org/linux/man-pages/man7/unix.7.html.
2020-11-02 11:50:46 -05:00
..
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2016-05-24 10:25:18 +02:00

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