new.c

来自「<B>Digital的Unix操作系统VAX 4.2源码</B>」· C语言 代码 · 共 25 行

/* Copyright (c) 1979 Regents of the University of California */

static char sccsid[] = "@(#)NEW.c 1.3 6/10/81";

#include "h00vars.h"

NEW(var, size)
	char	**var;	/* pointer to item being deallocated */
	long	size;	/* sizeof struct pointed to by var */
{
	extern	char *malloc();
	char 	*memblk;

	memblk = malloc((int)size);
	if (memblk == 0) {
		ERROR("Ran out of memory\n", 0);
		return;
	}
	*var = memblk;
	if (memblk < _minptr)
		_minptr = memblk;
	if (memblk + size > _maxptr)
		_maxptr = memblk + size;
}