Oct 17, 2023 · Aug 28, 2023
diff --git a/Doc/data/stable_abi.dat b/Doc/data/stable_abi.dat
diff --git a/Doc/whatsnew/3.13.rst b/Doc/whatsnew/3.13.rst
  parameter names.
  (Contributed by Serhiy Storchaka in :gh:`110815`.)

 * Add :c:func:`PyMem_RawMalloc`, :c:func:`PyMem_RawCalloc`,
  :c:func:`PyMem_RawRealloc` and :c:func:`PyMem_RawFree` to the limited C API
  (version 3.13).
  (Contributed by Victor Stinner in :gh:`85283`.)

 Porting to Python 3.13
 ----------------------

diff --git a/Include/cpython/pymem.h b/Include/cpython/pymem.h
 #  error "this header file must not be included directly"
 #endif

 PyAPI_FUNC(void *) PyMem_RawMalloc(size_t size);
 PyAPI_FUNC(void *) PyMem_RawCalloc(size_t nelem, size_t elsize);
 PyAPI_FUNC(void *) PyMem_RawRealloc(void *ptr, size_t new_size);
 PyAPI_FUNC(void) PyMem_RawFree(void *ptr);


 typedef enum {
    /* PyMem_RawMalloc(), PyMem_RawRealloc() and PyMem_RawFree() */
    PYMEM_DOMAIN_RAW,
diff --git a/Include/pymem.h b/Include/pymem.h
 #define PyMem_DEL(p)              PyMem_Free((p))


 #if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x030d0000
 // Memory allocator which doesn't require the GIL to be held.
 // Usually, it's just a thin wrapper to functions of the standard C library:
 // malloc(), calloc(), realloc() and free(). The difference is that
 // tracemalloc can track these memory allocations.
 PyAPI_FUNC(void *) PyMem_RawMalloc(size_t size);
 PyAPI_FUNC(void *) PyMem_RawCalloc(size_t nelem, size_t elsize);
 PyAPI_FUNC(void *) PyMem_RawRealloc(void *ptr, size_t new_size);
 PyAPI_FUNC(void) PyMem_RawFree(void *ptr);
 #endif

 #ifndef Py_LIMITED_API
 #  define Py_CPYTHON_PYMEM_H
 #  include "cpython/pymem.h"
diff --git a/Lib/test/test_stable_abi_ctypes.py b/Lib/test/test_stable_abi_ctypes.py
diff --git a/Misc/NEWS.d/next/C API/2023-08-28-17-34-10.gh-issue-85283.f1zXcc.rst b/Misc/NEWS.d/next/C API/2023-08-28-17-34-10.gh-issue-85283.f1zXcc.rst
 Add :c:func:`PyMem_RawMalloc`, :c:func:`PyMem_RawCalloc`,
 :c:func:`PyMem_RawRealloc` and :c:func:`PyMem_RawFree` to the limited C API.
 Patch by Victor Stinner.
diff --git a/Misc/stable_abi.toml b/Misc/stable_abi.toml
    added = '3.13'
 [function.PyUnicode_EqualToUTF8AndSize]
    added = '3.13'
 [function.PyMem_RawMalloc]
    added = '3.13'
 [function.PyMem_RawCalloc]
    added = '3.13'
 [function.PyMem_RawRealloc]
    added = '3.13'
 [function.PyMem_RawFree]
    added = '3.13'
diff --git a/PC/python3dll.c b/PC/python3dll.c
Original file line number	Diff line number	Diff line change
Expand Up		@@ -1053,6 +1053,11 @@ New Features
		parameter names.
		(Contributed by Serhiy Storchaka in :gh:`110815`.)

		* Add :c:func:`PyMem_RawMalloc`, :c:func:`PyMem_RawCalloc`,
		:c:func:`PyMem_RawRealloc` and :c:func:`PyMem_RawFree` to the limited C API
		(version 3.13).
		(Contributed by Victor Stinner in :gh:`85283`.)

		Porting to Python 3.13
		----------------------

Expand Down
Original file line number	Diff line number	Diff line change
Expand Up		@@ -2,12 +2,6 @@
		# error "this header file must not be included directly"
		#endif

		PyAPI_FUNC(void *) PyMem_RawMalloc(size_t size);
		PyAPI_FUNC(void *) PyMem_RawCalloc(size_t nelem, size_t elsize);
		PyAPI_FUNC(void ) PyMem_RawRealloc(void ptr, size_t new_size);
		PyAPI_FUNC(void) PyMem_RawFree(void *ptr);


		typedef enum {
		/* PyMem_RawMalloc(), PyMem_RawRealloc() and PyMem_RawFree() */
		PYMEM_DOMAIN_RAW,
Expand Down
Original file line number	Diff line number	Diff line change
Expand Up		@@ -87,6 +87,17 @@ PyAPI_FUNC(void) PyMem_Free(void *ptr);
		#define PyMem_DEL(p) PyMem_Free((p))


		#if !defined(Py_LIMITED_API) \|\| Py_LIMITED_API+0 >= 0x030d0000
		// Memory allocator which doesn't require the GIL to be held.
		// Usually, it's just a thin wrapper to functions of the standard C library:
		// malloc(), calloc(), realloc() and free(). The difference is that
		// tracemalloc can track these memory allocations.
		PyAPI_FUNC(void *) PyMem_RawMalloc(size_t size);
		PyAPI_FUNC(void *) PyMem_RawCalloc(size_t nelem, size_t elsize);
		PyAPI_FUNC(void ) PyMem_RawRealloc(void ptr, size_t new_size);
		PyAPI_FUNC(void) PyMem_RawFree(void *ptr);
		#endif

		#ifndef Py_LIMITED_API
		# define Py_CPYTHON_PYMEM_H
		# include "cpython/pymem.h"
Expand Down
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,3 @@
		Add :c:func:`PyMem_RawMalloc`, :c:func:`PyMem_RawCalloc`,
		:c:func:`PyMem_RawRealloc` and :c:func:`PyMem_RawFree` to the limited C API.
		Patch by Victor Stinner.
Original file line number	Diff line number	Diff line change
Expand Up		@@ -2466,3 +2466,11 @@
		added = '3.13'
		[function.PyUnicode_EqualToUTF8AndSize]
		added = '3.13'
		[function.PyMem_RawMalloc]
		added = '3.13'
		[function.PyMem_RawCalloc]
		added = '3.13'
		[function.PyMem_RawRealloc]
		added = '3.13'
		[function.PyMem_RawFree]
		added = '3.13'