gcc/libchill/allmem.c

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/* Implement runtime actions for CHILL.
Copyright (C) 1992,1993 Free Software Foundation, Inc.
Author: Wilfried Moser
This file is part of GNU CC.
GNU CC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
GNU CC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU CC; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#define __CHILL_LIB__
#include <stdlib.h>
#include "rtltypes.h"
extern void __cause_ex1 (char *exname, char *file, int lineno);
/* define needed exceptions */
EXCEPTION (protectionfail);
EXCEPTION (rangefail);
EXCEPTION (spacefail);
/*
* function _allocate_memory
*
* parameters:
* ptr pointer to location where pointer should be written
* size number of bytes to allocate
* filename source file which issued the call
* linenumber line number within that source file
*
* returns:
* void
*
* exceptions:
* spacefail
* protectionfail
* rangefail
*
* abstract:
* allocate memory from heap
*
*/
void
_allocate_memory (ptr, size, filename, linenumber)
void **ptr;
int size;
char *filename;
int linenumber;
{
void *tmp;
if (!ptr)
__cause_ex1 ("protectionfail", filename, linenumber);
if (size < 0)
__cause_ex1 ("rangefail", filename, linenumber);
tmp = malloc (size);
if (!tmp)
__cause_ex1 ("spacefail", filename, linenumber);
*ptr = tmp;
}