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author	Matthias Görgens <matthias.goergens@gmail.com>
	Wed, 29 May 2024 10:02:53 +0000 (18:02 +0800)
committer	GitHub <noreply@github.com>
	Wed, 29 May 2024 10:02:53 +0000 (12:02 +0200)
commit	18c1a8d3a81bf8d287a06f2985bbf65c9a9b9794
tree	6d33a4e84521f7a912484cc9e1a51a05ab66528f	tree \| snapshot
parent	c1e9647107c854439a9864b6ec4f6784aeb94ed5	commit \| diff

gh-97588: Align ctypes struct layout to GCC/MSVC (GH-97702)

Structure layout, and especially bitfields, sometimes resulted in clearly
wrong behaviour like overlapping fields. This fixes

Co-authored-by: Gregory P. Smith <gps@python.org>
Co-authored-by: Petr Viktorin <encukou@gmail.com>

17 files changed:

Doc/library/ctypes.rst		diff \| blob \| blame \| history
Doc/whatsnew/3.13.rst		diff \| blob \| blame \| history
Include/internal/pycore_global_objects_fini_generated.h		diff \| blob \| blame \| history
Include/internal/pycore_global_strings.h		diff \| blob \| blame \| history
Include/internal/pycore_runtime_init_generated.h		diff \| blob \| blame \| history
Include/internal/pycore_unicodeobject_generated.h		diff \| blob \| blame \| history
Lib/test/test_ctypes/test_bitfields.py		diff \| blob \| blame \| history
Lib/test/test_ctypes/test_generated_structs.py	[new file with mode: 0644]	blob
Makefile.pre.in		diff \| blob \| blame \| history
Misc/NEWS.d/next/C API/2022-10-01-09-56-27.gh-issue-97588.Gvg54o.rst	[new file with mode: 0644]	blob
Modules/_ctypes/_ctypes_test.c		diff \| blob \| blame \| history
Modules/_ctypes/_ctypes_test_generated.c.h	[new file with mode: 0644]	blob
Modules/_ctypes/cfield.c		diff \| blob \| blame \| history
Modules/_ctypes/ctypes.h		diff \| blob \| blame \| history
Modules/_ctypes/stgdict.c		diff \| blob \| blame \| history
PCbuild/_ctypes_test.vcxproj		diff \| blob \| blame \| history
PCbuild/_ctypes_test.vcxproj.filters		diff \| blob \| blame \| history

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