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1e28e5e596
argument to malloc() (size_t or unsigned int) * listobject.c: check for overflow of the size of the object, so things like range(0x7fffffff) will raise MemoryError instead of calling malloc() with -4 (and then crashing -- malloc's fault)
75 lines
2.2 KiB
C
75 lines
2.2 KiB
C
/***********************************************************
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Copyright 1991, 1992 by Stichting Mathematisch Centrum, Amsterdam, The
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Netherlands.
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its
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documentation for any purpose and without fee is hereby granted,
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provided that the above copyright notice appear in all copies and that
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both that copyright notice and this permission notice appear in
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supporting documentation, and that the names of Stichting Mathematisch
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Centrum or CWI not be used in advertising or publicity pertaining to
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distribution of the software without specific, written prior permission.
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STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO
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THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE
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FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
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OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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******************************************************************/
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/* Lowest-level memory allocation interface */
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#ifdef macintosh
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#define ANY void
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#ifndef THINK_C_3_0
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#define HAVE_STDLIB
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#endif
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#endif
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#ifdef sun
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/* Maybe not for very old versions of SunOS ? */
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#define HAVE_STDLIB
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#endif
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#ifdef sgi
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#define HAVE_STDLIB
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#endif
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#ifdef __STDC__
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#define ANY void
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#define HAVE_STDLIB
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#endif
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#ifndef ANY
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#define ANY char
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#endif
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#ifndef NULL
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#define NULL 0
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#endif
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#define NEW(type, n) ( (type *) malloc((n) * sizeof(type)) )
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#define RESIZE(p, type, n) \
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if ((p) == NULL) \
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(p) = (type *) malloc((n) * sizeof(type)); \
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else \
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(p) = (type *) realloc((ANY *)(p), (n) * sizeof(type))
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#define DEL(p) free((ANY *)p)
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#define XDEL(p) if ((p) == NULL) ; else DEL(p)
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#ifdef HAVE_STDLIB
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#include <stdlib.h>
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#define MALLARG size_t
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#else
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#define MALLARG size_t
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extern ANY *malloc PROTO((MALLARG));
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extern ANY *calloc PROTO((MALLARG, MALLARG));
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extern ANY *realloc PROTO((ANY *, MALLARG));
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extern void free PROTO((ANY *)); /* XXX sometimes int on Unix old systems */
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#endif
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