[unix-history] / usr / src / lib / libpc / DISPOSE.c

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

static char sccsid[] = "@(#)DISPOSE.c 1.1 10/29/80";

#include	"h00vars.h"
#include	"h01errs.h"

DISPOSE(var, size)
	register char	**var;	/* pointer to pointer being deallocated */
	int		size;	/* sizeof(bletch) */
{
	if (*var == 0 || *var + size > _maxptr || *var < _minptr) {
		ERROR(ENILPTR,0);
		return;
	}
	free(*var);
	if (*var == _minptr)
		_minptr += size;
	if (*var + size == _maxptr)
		_maxptr -= size;
	*var = (char *)(0);
}
Commit	Line	Data
81a71c5f KM	1	/* Copyright (c) 1979 Regents of the University of California */
81a71c5f KM	2
31cef89c	3	static char sccsid[] = "@(#)DISPOSE.c 1.1 10/29/80";
81a71c5f KM	4
	5	#include "h00vars.h"
	6	#include "h01errs.h"
	7
	8	DISPOSE(var, size)
	9	register char *var; / pointer to pointer being deallocated */
	10	int size; /* sizeof(bletch) */
	11	{
	12	if (var == 0 \|\| var + size > _maxptr \|\| *var < _minptr) {
	13	ERROR(ENILPTR,0);
	14	return;
	15	}
	16	free(*var);
	17	if (*var == _minptr)
	18	_minptr += size;
	19	if (*var + size == _maxptr)
	20	_maxptr -= size;
	21	var = (char )(0);
	22	}