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python 2.7 -> python 3.14

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d1str4ught
2026-02-09 01:07:43 +01:00
parent 0ca2a293c8
commit 85609303d8
664 changed files with 666292 additions and 9725 deletions
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96
extern/include/python/pymem.h vendored
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@@ -1,12 +1,8 @@
/* The PyMem_ family: low-level memory allocation interfaces.
See objimpl.h for the PyObject_ memory family.
*/
// The PyMem_ family: low-level memory allocation interfaces.
// See objimpl.h for the PyObject_ memory family.
#ifndef Py_PYMEM_H
#define Py_PYMEM_H
#include "pyport.h"
#ifdef __cplusplus
extern "C" {
#endif
@@ -25,8 +21,8 @@ extern "C" {
heap used by the Python DLL; it could be a disaster if you free()'ed that
directly in your own extension. Using PyMem_Free instead ensures Python
can return the memory to the proper heap. As another example, in
PYMALLOC_DEBUG mode, Python wraps all calls to all PyMem_ and PyObject_
memory functions in special debugging wrappers that add additional
a debug build (Py_DEBUG macro), Python wraps all calls to all PyMem_ and
PyObject_ memory functions in special debugging wrappers that add additional
debugging info to dynamic memory blocks. The system routines have no idea
what to do with that stuff, and the Python wrappers have no idea what to do
with raw blocks obtained directly by the system routines then.
@@ -49,35 +45,10 @@ extern "C" {
performed on failure (no exception is set, no warning is printed, etc).
*/
PyAPI_FUNC(void *) PyMem_Malloc(size_t);
PyAPI_FUNC(void *) PyMem_Realloc(void *, size_t);
PyAPI_FUNC(void) PyMem_Free(void *);
/* Starting from Python 1.6, the wrappers Py_{Malloc,Realloc,Free} are
no longer supported. They used to call PyErr_NoMemory() on failure. */
/* Macros. */
#ifdef PYMALLOC_DEBUG
/* Redirect all memory operations to Python's debugging allocator. */
#define PyMem_MALLOC _PyMem_DebugMalloc
#define PyMem_REALLOC _PyMem_DebugRealloc
#define PyMem_FREE _PyMem_DebugFree
#else /* ! PYMALLOC_DEBUG */
/* PyMem_MALLOC(0) means malloc(1). Some systems would return NULL
for malloc(0), which would be treated as an error. Some platforms
would return a pointer with no memory behind it, which would break
pymalloc. To solve these problems, allocate an extra byte. */
/* Returns NULL to indicate error if a negative size or size larger than
Py_ssize_t can represent is supplied. Helps prevents security holes. */
#define PyMem_MALLOC(n) ((size_t)(n) > (size_t)PY_SSIZE_T_MAX ? NULL \
: malloc((n) ? (n) : 1))
#define PyMem_REALLOC(p, n) ((size_t)(n) > (size_t)PY_SSIZE_T_MAX ? NULL \
: realloc((p), (n) ? (n) : 1))
#define PyMem_FREE free
#endif /* PYMALLOC_DEBUG */
PyAPI_FUNC(void *) PyMem_Malloc(size_t size);
PyAPI_FUNC(void *) PyMem_Calloc(size_t nelem, size_t elsize);
PyAPI_FUNC(void *) PyMem_Realloc(void *ptr, size_t new_size);
PyAPI_FUNC(void) PyMem_Free(void *ptr);
/*
* Type-oriented memory interface
@@ -90,11 +61,8 @@ PyAPI_FUNC(void) PyMem_Free(void *);
*/
#define PyMem_New(type, n) \
( ((size_t)(n) > PY_SSIZE_T_MAX / sizeof(type)) ? NULL : \
( (type *) PyMem_Malloc((n) * sizeof(type)) ) )
#define PyMem_NEW(type, n) \
( ((size_t)(n) > PY_SSIZE_T_MAX / sizeof(type)) ? NULL : \
( (type *) PyMem_MALLOC((n) * sizeof(type)) ) )
( ((size_t)(n) > PY_SSIZE_T_MAX / sizeof(type)) ? NULL : \
( (type *) PyMem_Malloc((n) * sizeof(type)) ) )
/*
* The value of (p) is always clobbered by this macro regardless of success.
@@ -103,20 +71,40 @@ PyAPI_FUNC(void) PyMem_Free(void *);
* caller's memory error handler to not lose track of it.
*/
#define PyMem_Resize(p, type, n) \
( (p) = ((size_t)(n) > PY_SSIZE_T_MAX / sizeof(type)) ? NULL : \
(type *) PyMem_Realloc((p), (n) * sizeof(type)) )
#define PyMem_RESIZE(p, type, n) \
( (p) = ((size_t)(n) > PY_SSIZE_T_MAX / sizeof(type)) ? NULL : \
(type *) PyMem_REALLOC((p), (n) * sizeof(type)) )
( (p) = ((size_t)(n) > PY_SSIZE_T_MAX / sizeof(type)) ? NULL : \
(type *) PyMem_Realloc((p), (n) * sizeof(type)) )
/* PyMem{Del,DEL} are left over from ancient days, and shouldn't be used
* anymore. They're just confusing aliases for PyMem_{Free,FREE} now.
*/
#define PyMem_Del PyMem_Free
#define PyMem_DEL PyMem_FREE
// Deprecated aliases only kept for backward compatibility.
// PyMem_Del and PyMem_DEL are defined with no parameter to be able to use
// them as function pointers (ex: dealloc = PyMem_Del).
#define PyMem_MALLOC(n) PyMem_Malloc((n))
#define PyMem_NEW(type, n) PyMem_New(type, (n))
#define PyMem_REALLOC(p, n) PyMem_Realloc((p), (n))
#define PyMem_RESIZE(p, type, n) PyMem_Resize((p), type, (n))
#define PyMem_FREE(p) PyMem_Free((p))
#define PyMem_Del(p) PyMem_Free((p))
#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"
# undef Py_CPYTHON_PYMEM_H
#endif
#ifdef __cplusplus
}
#endif
#endif /* !Py_PYMEM_H */
#endif // !Py_PYMEM_H