[MacPorts] #70702: Provide a compatibility wrapper for scandir in legacy-support

[MacPorts]

#70702: Provide a compatibility wrapper for scandir in legacy-support
-----------------------------+-----------------------
  Reporter:  fhgwright       |      Owner:  fhgwright
      Type:  enhancement     |     Status:  closed
  Priority:  Normal          |  Milestone:
 Component:  ports           |    Version:
Resolution:  fixed           |   Keywords:
      Port:  legacy-support  |
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Comment (by fhgwright):

 In [changeset:"d546d8ad537ed152740566caa8fc2d303940d2c9/macports-legacy-
 support" d546d8ad537ed152740566caa8fc2d303940d2c9/macports-legacy-support]
 (master):
 {{{
 #!ConfigurableCommitTicketReference repository="macports-legacy-support"
 revision="d546d8ad537ed152740566caa8fc2d303940d2c9"
 Add test for scandir() 'compar' type.

 This tests for the pointer-type mismatch issue with the scandir()
 'compar' arg.  There are two versions, one verifying the expected old
 behavior, and another verifying the fix.

 See: https://trac.macports.org/ticket/70702

 Also adds alphasort() and scandir() to the darwin_c tests.

 TESTED:
 Fails or gets warning on <10.8 without fix.  Passes with fix.
 }}}

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Ticket URL: <https://trac.macports.org/ticket/70702#comment:2>
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