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/* yForth? - Written by Luca Padovani (C) 1996/97
* ------------------------------------------------------------------------
* This software is FreeWare as long as it comes with this header in each
* source file, anyway you can use it or any part of it whatever
* you want. It comes without any warranty, so use it at your own risk.
* ------------------------------------------------------------------------
* Module name: memall.c
* Abstract: Memory allocation word set
*/
#include <string.h>
#include <malloc.h>
#include "yforth.h"
#include "core.h"
#include "coree.h"
/**************************************************************************/
/* WORDS ******************************************************************/
/**************************************************************************/
void _allocate() {
register void *addr = malloc(*sp);
if (addr == NULL) *sp = 0;
else *sp = (Cell) addr;
*--sp = FFLAG(addr == NULL);
}
void _free() {
free((void *) *sp);
*sp = FFLAG(0);
}
void _resize() {
register void *addr = realloc((void *) sp[1], sp[0]);
if (addr == NULL) sp[1] = 0;
else sp[1] = (Cell) addr;
*sp = FFLAG(addr == NULL);
}
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