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gh-108765: Python.h no longer includes <ctype.h> (#108831)

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Remove <ctype.h> in C files which don't use it; only sre.c and
_decimal.c still use it.

Remove _PY_PORT_CTYPE_UTF8_ISSUE code from pyport.h:

* Code added by commit b5047fd019
  in 2004 for MacOSX and FreeBSD.
* Test removed by commit 52ddaefb6b
  in 2007, since Python str type now uses locale independent
  functions like Py_ISALPHA() and Py_TOLOWER() and the Unicode
  database.

Modules/_sre/sre.c replaces _PY_PORT_CTYPE_UTF8_ISSUE with new
functions: sre_isalnum(), sre_tolower(), sre_toupper().

Remove unused includes:

* _localemodule.c: remove <stdio.h>.
* getargs.c: remove <float.h>.
* dynload_win.c: remove <direct.h>, it no longer calls _getcwd()
  since commit fb1f68ed7c (in 2001).
This commit is contained in:
Victor Stinner 2023-09-03 18:54:27 +02:00 • committed by GitHub
parent 1796c191b4
commit 03c4080c71
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22 changed files with 86 additions and 114 deletions
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Misc/NEWS.d/next/C API/2023-09-02-22-35-55.gh-issue-108765.4TOdBT.rst Normal file
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``Python.h`` no longer includes the ``<ctype.h>`` standard header file. If
needed, it should now be included explicitly. For example, it provides
``isalpha()`` and ``tolower()`` functions which are locale dependent. Python
provides locale independent functions, like :c:func:`!Py_ISALPHA` and
:c:func:`!Py_TOLOWER`. Patch by Victor Stinner.