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Miss Islington (bot) d2aaf818ae
[3.11] gh-101037: Fix potential memory underallocation for zeros of int subtypes (GH-101038) (#101219) 
gh-101037: Fix potential memory underallocation for zeros of int subtypes (GH-101038)

This PR fixes object allocation in long_subtype_new to ensure that there's at least one digit in all cases, and makes sure that the value of that digit is copied over from the source long.

Needs backport to 3.11, but not any further: the change to require at least one digit was only introduced for Python 3.11.

Fixes GH-101037.
(cherry picked from commit 401fdf9c851eb61229250ebffa942adca99b36d1)

Co-authored-by: Mark Dickinson <dickinsm@gmail.com>
2023-01-21 10:54:09 +00:00
..
cpython
[3.11] gh-101037: Fix potential memory underallocation for zeros of int subtypes (GH-101038) (#101219)
2023-01-21 10:54:09 +00:00
internal
[3.11] gh-99110: Initialize frame->previous in init_frame to fix segmentation fault (GH-100182) (#100478)
2022-12-24 11:17:10 +05:30
abstract.h
bpo-45434: Remove useless space in includes (GH-28963)
2021-10-15 01:50:04 +02:00
bltinmodule.h
…
boolobject.h
bpo-45459: C API uses type names rather than structure names (GH-31528)
2022-02-24 17:51:59 +01:00
bytearrayobject.h
bpo-45434: Remove useless space in includes (GH-28963)
2021-10-15 01:50:04 +02:00
bytesobject.h
bpo-45434: Remove useless space in includes (GH-28963)
2021-10-15 01:50:04 +02:00
ceval.h
bpo-45434: Remove Include/eval.h header file (GH-28973)
2021-10-15 13:06:05 +02:00
codecs.h
…
compile.h
…
complexobject.h
bpo-35134: Add Include/cpython/complexobject.h header (GH-32383)
2022-04-07 01:05:27 +02:00
datetime.h
…
descrobject.h
bpo-45459: C API uses type names rather than structure names (GH-31528)
2022-02-24 17:51:59 +01:00
dictobject.h
bpo-45434: Remove useless space in includes (GH-28963)
2021-10-15 01:50:04 +02:00
dynamic_annotations.h
gh-96959: Update HTTP links which are redirected to HTTPS (GH-96961)
2022-09-25 01:20:45 -07:00
enumobject.h
…
errcode.h
bpo-46521: Fix codeop to use a new partial-input mode of the parser (GH-31010)
2022-02-08 11:54:37 +00:00
exports.h
…
fileobject.h
bpo-45434: Remove useless space in includes (GH-28963)
2021-10-15 01:50:04 +02:00
fileutils.h
bpo-45434: Remove useless space in includes (GH-28963)
2021-10-15 01:50:04 +02:00
floatobject.h
bpo-46656: Remove Py_NO_NAN macro (GH-31160)
2022-02-25 01:32:57 +01:00
frameobject.h
bpo-45434: Remove useless space in includes (GH-28963)
2021-10-15 01:50:04 +02:00
genericaliasobject.h
…
import.h
bpo-45434: Remove useless space in includes (GH-28963)
2021-10-15 01:50:04 +02:00
intrcheck.h
…
iterobject.h
…
listobject.h
bpo-45434: Remove useless space in includes (GH-28963)
2021-10-15 01:50:04 +02:00
longobject.h
bpo-45459: Add pytypedefs.h header file (GH-31527)
2022-02-24 17:07:12 +01:00
marshal.h
bpo-45474: Exclude all of marshal.h if Py_LIMITED_API is defined (GH-29061)
2021-10-20 02:32:14 -07:00
memoryobject.h
bpo-45459: Add Py_buffer to limited API (GH-29991)
2022-02-02 07:03:10 -08:00
methodobject.h
gh-92135: Rename _Py_reinterpret_cast() to _Py_CAST() (#92230)
2022-05-03 16:37:06 +02:00
modsupport.h
gh-79315: Add Include/cpython/modsupport.h header (#91797)
2022-04-21 23:00:26 +02:00
moduleobject.h
gh-91321: Fix PyModuleDef_HEAD_INIT on C++ (#92259)
2022-05-03 22:40:20 +02:00
object.h
[3.11] Revert "[3.11] gh-98724: Fix Py_CLEAR() macro side effects (#99100)" (#99573)
2022-11-21 18:01:10 +01:00
objimpl.h
gh-92135: Rename _Py_reinterpret_cast() to _Py_CAST() (#92230)
2022-05-03 16:37:06 +02:00
opcode.h
gh-91869: Fix tracing of specialized instructions with extended args (GH-91945)
2022-04-27 22:36:34 -06:00
osdefs.h
…
osmodule.h
…
patchlevel.h
Post 3.11.1
2022-12-06 21:07:58 +00:00
py_curses.h
bpo-46417: Add _PyType_CAST() macro (GH-30760)
2022-01-21 21:39:01 +01:00
pybuffer.h
bpo-45459: Add pytypedefs.h header file (GH-31527)
2022-02-24 17:07:12 +01:00
pycapsule.h
…
pydtrace.d
…
pydtrace.h
…
pyerrors.h
gh-90501: Add PyErr_GetHandledException and PyErr_SetHandledException (GH-30531)
2022-04-15 19:57:47 +01:00
pyexpat.h
…
pyframe.h
gh-93937, C API: Move PyFrame_GetBack() to Python.h (#93938) (#94000)
2022-06-20 15:47:41 +02:00
pyhash.h
bpo-29410: Change the default hash algorithm to SipHash13. (GH-28752)
2021-10-10 17:29:46 +09:00
pylifecycle.h
bpo-43931: Export Python version as API data (GH-25577)
2021-12-09 17:52:05 -08:00
pymacconfig.h
…
pymacro.h
gh-91731: Don't define 'static_assert' in C++11 where is a keyword to avoid UB (GH-93700)
2022-06-16 07:50:15 -07:00
pymath.h
bpo-46656: Remove Py_NO_NAN macro (GH-31160)
2022-02-25 01:32:57 +01:00
pymem.h
bpo-45434: Remove useless space in includes (GH-28963)
2021-10-15 01:50:04 +02:00
pyport.h
gh-94731: Revert to C-style casts for _Py_CAST (GH-94782) (#94849)
2022-07-15 09:35:23 +02:00
pystate.h
bpo-45459: C API uses type names rather than structure names (GH-31528)
2022-02-24 17:51:59 +01:00
pystrcmp.h
…
pystrtod.h
bpo-45995: add "z" format specifer to coerce negative 0 to zero (GH-30049)
2022-04-11 15:34:18 +01:00
Python.h
bpo-35134: Remove the Include/code.h header file (GH-32385)
2022-04-07 02:29:52 +02:00
pythonrun.h
Docs: Clarify availability of PyOS_CheckStack (GH-91816)
2022-04-22 12:44:43 +02:00
pythread.h
gh-79315: Add Include/cpython/pythread.h header (#91798)
2022-04-21 23:00:42 +02:00
pytypedefs.h
bpo-45459: Fix PyModuleDef_Slot type in the limited C API (GH-31668)
2022-03-03 23:06:55 +01:00
rangeobject.h
…
README.rst
…
setobject.h
bpo-35134: Add Include/cpython/setobject.h header (GH-32384)
2022-04-07 01:26:24 +02:00
sliceobject.h
…
structmember.h
bpo-45459: C API uses type names rather than structure names (GH-31528)
2022-02-24 17:51:59 +01:00
structseq.h
bpo-45459: C API uses type names rather than structure names (GH-31528)
2022-02-24 17:51:59 +01:00
sysmodule.h
gh-88279: Deprecate PySys_SetArgvEx() (#92363)
2022-05-06 05:24:29 +02:00
token.h
…
traceback.h
bpo-45434: Remove useless space in includes (GH-28963)
2021-10-15 01:50:04 +02:00
tracemalloc.h
…
tupleobject.h
bpo-45434: Remove useless space in includes (GH-28963)
2021-10-15 01:50:04 +02:00
typeslots.h
bpo-45459: Add Py_buffer to limited API (GH-29991)
2022-02-02 07:03:10 -08:00
unicodeobject.h
bpo-47164: Add _PyASCIIObject_CAST() macro (GH-32191)
2022-03-31 09:59:27 +02:00
warnings.h
bpo-35134: Split warnings.h and weakrefobject.h (GH-29042)
2021-10-19 01:31:57 +02:00
weakrefobject.h
bpo-35134: Split warnings.h and weakrefobject.h (GH-29042)
2021-10-19 01:31:57 +02:00

README.rst 

The Python C API
================

The C API is divided into three sections:

1. ``Include/``: Limited API
2. ``Include/cpython/``: CPython implementation details
3. ``Include/internal/``: The internal API

Information on changing the C API is available `in the developer guide`_

.. _in the developer guide: https://devguide.python.org/c-api/