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gh-93202: Always use %zd printf formatter (#93201)

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Python now always use the ``%zu`` and ``%zd`` printf formats to
format a size_t or Py_ssize_t number. Building Python 3.12 requires a
C11 compiler, so these printf formats are now always supported.

* PyObject_Print() and _PyObject_Dump() now use the printf %zd format
  to display an object reference count.
* Update PY_FORMAT_SIZE_T comment.
* Remove outdated notes about the %zd format in PyBytes_FromFormat()
  and PyUnicode_FromFormat() documentations.
* configure no longer checks for the %zd format and no longer defines
  PY_FORMAT_SIZE_T macro in pyconfig.h.
* pymacconfig.h no longer undefines PY_FORMAT_SIZE_T: macOS 10.4 is
  no longer supported. Python 3.12 now requires macOS 10.6 (Snow
  Leopard) or newer.
This commit is contained in:
Victor Stinner 2022-05-25 14:21:36 +02:00 • committed by GitHub
parent 9485a0dbdd
commit 71d8775fee
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10 changed files with 11 additions and 168 deletions
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pyconfig.h.in
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@ -1506,9 +1506,6 @@
/* Define if you want to coerce the C locale to a UTF-8 based locale */
#undef PY_COERCE_C_LOCALE
/* Define to printf format modifier for Py_ssize_t */
#undef PY_FORMAT_SIZE_T
/* Define to 1 to build the sqlite module with loadable extensions support. */
#undef PY_SQLITE_ENABLE_LOAD_EXTENSION