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Guido van Rossuma3309961993-07-28 09:05:47 +00001#ifndef Py_MYMALLOC_H
2#define Py_MYMALLOC_H
3#ifdef __cplusplus
4extern "C" {
5#endif
6
Guido van Rossum1e28e5e1992-08-19 16:46:30 +00007/***********************************************************
Guido van Rossumb6775db1994-08-01 11:34:53 +00008Copyright 1991, 1992, 1993, 1994 by Stichting Mathematisch Centrum,
Guido van Rossum9bfef441993-03-29 10:43:31 +00009Amsterdam, The Netherlands.
Guido van Rossum1e28e5e1992-08-19 16:46:30 +000010
11 All Rights Reserved
12
13Permission to use, copy, modify, and distribute this software and its
14documentation for any purpose and without fee is hereby granted,
15provided that the above copyright notice appear in all copies and that
16both that copyright notice and this permission notice appear in
17supporting documentation, and that the names of Stichting Mathematisch
18Centrum or CWI not be used in advertising or publicity pertaining to
19distribution of the software without specific, written prior permission.
20
21STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO
22THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
23FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE
24FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
25WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
26ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
27OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
28
29******************************************************************/
30
31/* Lowest-level memory allocation interface */
32
33#ifdef macintosh
34#define ANY void
Guido van Rossum1e28e5e1992-08-19 16:46:30 +000035#endif
36
37#ifdef __STDC__
38#define ANY void
Guido van Rossum1e28e5e1992-08-19 16:46:30 +000039#endif
40
Guido van Rossum12d12c51993-10-26 17:58:25 +000041#ifdef __TURBOC__
42#define ANY void
Guido van Rossum12d12c51993-10-26 17:58:25 +000043#endif
44
45#ifdef __GNUC__
46#define ANY void
Guido van Rossum12d12c51993-10-26 17:58:25 +000047#endif
48
Guido van Rossum1e28e5e1992-08-19 16:46:30 +000049#ifndef ANY
50#define ANY char
51#endif
52
Guido van Rossumb6775db1994-08-01 11:34:53 +000053#ifdef HAVE_STDLIB_H
54#include <stdlib.h>
55#else /* !HAVE_STDLIB */
56extern ANY *malloc PROTO((size_t));
57extern ANY *calloc PROTO((size_t, size_t));
58extern ANY *realloc PROTO((ANY *, size_t));
59extern void free PROTO((ANY *)); /* XXX sometimes int on Unix old systems */
60#endif /* !HAVE_STDLIB */
61
Guido van Rossum1e28e5e1992-08-19 16:46:30 +000062#ifndef NULL
Guido van Rossumb6775db1994-08-01 11:34:53 +000063#define NULL ((ANY *)0)
Guido van Rossum1e28e5e1992-08-19 16:46:30 +000064#endif
65
Guido van Rossum5f59d601992-12-14 16:59:51 +000066/* XXX Always allocate one extra byte, since some malloc's return NULL
67 XXX for malloc(0) or realloc(p, 0). */
68#define NEW(type, n) ( (type *) malloc(1 + (n) * sizeof(type)) )
Guido van Rossum1e28e5e1992-08-19 16:46:30 +000069#define RESIZE(p, type, n) \
70 if ((p) == NULL) \
Guido van Rossum5f59d601992-12-14 16:59:51 +000071 (p) = (type *) malloc(1 + (n) * sizeof(type)); \
Guido van Rossum1e28e5e1992-08-19 16:46:30 +000072 else \
Guido van Rossum5f59d601992-12-14 16:59:51 +000073 (p) = (type *) realloc((ANY *)(p), 1 + (n) * sizeof(type))
Guido van Rossum1e28e5e1992-08-19 16:46:30 +000074#define DEL(p) free((ANY *)p)
75#define XDEL(p) if ((p) == NULL) ; else DEL(p)
76
Guido van Rossuma3309961993-07-28 09:05:47 +000077#ifdef __cplusplus
78}
79#endif
80#endif /* !Py_MYMALLOC_H */