[Python-checkins] [python/cpython] 7f5563: allow the first call to wcsxfrm to return ERANGE

[GitHub]

  Branch: refs/heads/benjamin-wcsxfrm-error
  Home:   https://github.com/python/cpython
  Commit: 7f55635e77c8ccd74e1917b6824ce917baa214fc
      https://github.com/python/cpython/commit/7f55635e77c8ccd74e1917b6824ce917baa214fc
  Author: Benjamin Peterson <benjamin at python.org>
  Date:   2017-03-06 (Mon, 06 Mar 2017)

  Changed paths:
    M Modules/_localemodule.c

  Log Message:
  -----------
  allow the first call to wcsxfrm to return ERANGE

If the output buffer provided to wcsxfrm is too small, errno is set to ERANGE. We should not error out in that case.