File:  [CSRG BSD Unix] / 43BSD / usr.lib / libpc / DISPOSE.c
Revision 1.1.1.1 (vendor branch): download - view: text, annotated - select for diffs
Tue Apr 24 16:12:55 2018 UTC (8 years, 1 month ago) by root
Branches: MAIN, BSD
CVS tags: HEAD, BSD43
BSD 4.3

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

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

#include	"h00vars.h"

DISPOSE(var, siz)
	register char	**var;	/* pointer to pointer being deallocated */
	long		siz;	/* sizeof(bletch) */
{
	register int size = siz;

	if (*var == 0 || *var + size > _maxptr || *var < _minptr) {
		ERROR("Pointer value out of legal range\n", 0);
		return;
	}
	free(*var);
	if (*var == _minptr)
		_minptr += size;
	if (*var + size == _maxptr)
		_maxptr -= size;
	*var = (char *)(0);
}

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