| #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 */ |