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#include <stdlib.h>
#ifndef Py_PYMEM_H
#define Py_PYMEM_H
#ifdef __cplusplus
extern "C" {
#endif
#ifndef Py_LIMITED_API
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
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);
#define PyMem_MALLOC(n) PyMem_Malloc(n)
#define PyMem_REALLOC(p, n) PyMem_Realloc(p, n)
#define PyMem_FREE(p) PyMem_Free(p)
/*
* Type-oriented memory interface
* ==============================
*
* Allocate memory for n objects of the given type. Returns a new pointer
* or NULL if the request was too large or memory allocation failed. Use
* these macros rather than doing the multiplication yourself so that proper
* overflow checking is always done.
*/
#define PyMem_New(type, n) \
( ((n) > PY_SSIZE_T_MAX / sizeof(type)) ? NULL : \
( (type *) PyMem_Malloc((n) * sizeof(type)) ) )
#define PyMem_NEW(type, n) \
( ((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.
* The caller MUST check if (p) is NULL afterwards and deal with the memory
* error if so. This means the original value of (p) MUST be saved for the
* caller's memory error handler to not lose track of it.
*/
#define PyMem_Resize(p, type, n) \
( (p) = ((n) > PY_SSIZE_T_MAX / sizeof(type)) ? NULL : \
(type *) PyMem_Realloc((p), (n) * sizeof(type)) )
#define PyMem_RESIZE(p, type, n) \
( (p) = ((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
/* From CPython 3.6, with a different goal. _PyTraceMalloc_Track()
* is equivalent to __pypy__.add_memory_pressure(size); it works with
* or without the GIL. _PyTraceMalloc_Untrack() is an empty stub.
* You can check if these functions are available by using:
*
* #if defined(PYPY_TRACEMALLOC) || \
* (PY_VERSION_HEX >= 0x03060000 && !defined(Py_LIMITED_API))
*/
#define PYPY_TRACEMALLOC 1
typedef unsigned int _PyTraceMalloc_domain_t;
PyAPI_FUNC(int) _PyTraceMalloc_Track(_PyTraceMalloc_domain_t domain,
uintptr_t ptr, size_t size);
PyAPI_FUNC(int) _PyTraceMalloc_Untrack(_PyTraceMalloc_domain_t domain,
uintptr_t ptr);
#ifdef __cplusplus
}
#endif
#endif /* !Py_PYMEM_H */
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