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Drop the PyCore_* memory API.

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This commit is contained in:
Neil Schemenauer 2002-03-18 21:06:21 +00:00
parent 08de92a267
commit 25f3dc21b5
4 changed files with 71 additions and 92 deletions
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51
Include/pymem.h
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@ -10,26 +10,6 @@
extern "C" {
#endif
/*
* Core memory allocator
* =====================
*/
/* To make sure the interpreter is user-malloc friendly, all memory
APIs are implemented on top of this one.
The PyCore_* macros can be defined to make the interpreter use a
custom allocator. Note that they are for internal use only. Both
the core and extension modules should use the PyMem_* API. */
#ifndef PyCore_MALLOC
#undef PyCore_REALLOC
#undef PyCore_FREE
#define PyCore_MALLOC(n) malloc(n)
#define PyCore_REALLOC(p, n) realloc((p), (n))
#define PyCore_FREE(p) free(p)
#endif
/* BEWARE:
Each interface exports both functions and macros. Extension modules
@ -51,9 +31,12 @@ extern "C" {
* ====================
*/
/* To make sure the interpreter is user-malloc friendly, all memory
APIs are implemented on top of this one. */
/* Functions */
/* Function wrappers around PyCore_MALLOC and friends; useful if you
/* Function wrappers around PyMem_MALLOC and friends; useful if you
need to be sure that you are using the same memory allocator as
Python. Note that the wrappers make sure that allocating 0 bytes
returns a non-NULL pointer, even if the underlying malloc
@ -66,10 +49,12 @@ extern DL_IMPORT(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 */
#define PyMem_MALLOC(n) PyCore_MALLOC(n)
#define PyMem_REALLOC(p, n) PyCore_REALLOC((void *)(p), (n))
#define PyMem_FREE(p) PyCore_FREE((void *)(p))
/* Macros (override these if you want to a different malloc */
#ifndef PyMem_MALLOC
#define PyMem_MALLOC(n) malloc(n)
#define PyMem_REALLOC(p, n) realloc((void *)(p), (n))
#define PyMem_FREE(p) free((void *)(p))
#endif
/*
* Type-oriented memory interface
@ -104,6 +89,22 @@ extern DL_IMPORT(void) PyMem_Free(void *);
it is recommended to write the test explicitly in the code.
Note that according to ANSI C, free(NULL) has no effect. */
/* pymalloc (private to the interpreter) */
#ifdef WITH_PYMALLOC
void *_PyMalloc_Malloc(size_t nbytes);
void *_PyMalloc_Realloc(void *p, size_t nbytes);
void _PyMalloc_Free(void *p);
#define _PyMalloc_MALLOC _PyMalloc_Malloc
#define _PyMalloc_REALLOC _PyMalloc_Realloc
#define _PyMalloc_FREE _PyMalloc_Free
#else
#define _PyMalloc_MALLOC PyMem_MALLOC
#define _PyMalloc_REALLOC PyMem_REALLOC
#define _PyMalloc_FREE PyMem_FREE
#endif
#ifdef __cplusplus
}
#endif