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- #ifndef Py_MYMALLOC_H
- #define Py_MYMALLOC_H
- /***********************************************************
- Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
- The Netherlands.
-
- All Rights Reserved
-
- Permission to use, copy, modify, and distribute this software and its
- documentation for any purpose and without fee is hereby granted,
- provided that the above copyright notice appear in all copies and that
- both that copyright notice and this permission notice appear in
- supporting documentation, and that the names of Stichting Mathematisch
- Centrum or CWI or Corporation for National Research Initiatives or
- CNRI not be used in advertising or publicity pertaining to
- distribution of the software without specific, written prior
- permission.
-
- While CWI is the initial source for this software, a modified version
- is made available by the Corporation for National Research Initiatives
- (CNRI) at the Internet address ftp://ftp.python.org.
-
- STICHTING MATHEMATISCH CENTRUM AND CNRI DISCLAIM ALL WARRANTIES WITH
- REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
- MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH
- CENTRUM OR CNRI BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
- DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
- PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
- TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- PERFORMANCE OF THIS SOFTWARE.
-
- ******************************************************************/
-
- /* Lowest-level memory allocation interface */
-
- #ifdef macintosh
- #define ANY void
- #endif
-
- #ifdef __STDC__
- #define ANY void
- #endif
-
- #ifdef __TURBOC__
- #define ANY void
- #endif
-
- #ifdef __GNUC__
- #define ANY void
- #endif
-
- #ifndef ANY
- #define ANY char
- #endif
-
- #ifdef HAVE_STDLIB_H
- #include <stdlib.h>
- #endif
-
- #ifdef __cplusplus
- /* Move this down here since some C++ #include's don't like to be included
- inside an extern "C" */
- extern "C" {
- #endif
-
- #ifdef SYMANTEC__CFM68K__
- #pragma lib_export on
- #endif
-
- /* The following should never be necessary */
- #ifdef NEED_TO_DECLARE_MALLOC_AND_FRIEND
- extern ANY *malloc Py_PROTO((size_t));
- extern ANY *calloc Py_PROTO((size_t, size_t));
- extern ANY *realloc Py_PROTO((ANY *, size_t));
- extern void free Py_PROTO((ANY *)); /* XXX sometimes int on Unix old systems */
- #endif
-
- #ifndef NULL
- #define NULL ((ANY *)0)
- #endif
-
- #ifdef MALLOC_ZERO_RETURNS_NULL
- /* XXX Always allocate one extra byte, since some malloc's return NULL
- XXX for malloc(0) or realloc(p, 0). */
- #define _PyMem_EXTRA 1
- #else
- #define _PyMem_EXTRA 0
- #endif
-
- #define PyMem_NEW(type, n) \
- ( (type *) malloc(_PyMem_EXTRA + (n) * sizeof(type)) )
- #define PyMem_RESIZE(p, type, n) \
- if ((p) == NULL) \
- (p) = (type *) malloc(_PyMem_EXTRA + (n) * sizeof(type)); \
- else \
- (p) = (type *) realloc((ANY *)(p), \
- _PyMem_EXTRA + (n) * sizeof(type))
- #define PyMem_DEL(p) free((ANY *)p)
- #define PyMem_XDEL(p) if ((p) == NULL) ; else PyMem_DEL(p)
-
-
- /* Two sets of function wrappers around 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 doesn't.
- The Python interpreter continues to use PyMem_NEW etc. */
-
- /* These wrappers around malloc call PyErr_NoMemory() on failure */
- extern DL_IMPORT(ANY *) Py_Malloc Py_PROTO((size_t));
- extern DL_IMPORT(ANY *) Py_Realloc Py_PROTO((ANY *, size_t));
- extern DL_IMPORT(void) Py_Free Py_PROTO((ANY *));
-
- /* These wrappers around malloc *don't* call anything on failure */
- extern DL_IMPORT(ANY *) PyMem_Malloc Py_PROTO((size_t));
- extern DL_IMPORT(ANY *) PyMem_Realloc Py_PROTO((ANY *, size_t));
- extern DL_IMPORT(void) PyMem_Free Py_PROTO((ANY *));
-
- #ifdef __cplusplus
- }
- #endif
-
- #endif /* !Py_MYMALLOC_H */
-