changes for whiteouts and union filesystem

[unix-history] / usr / src / bin / ls / util.c

/*
 * Copyright (c) 1989, 1993, 1994
 *	The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Michael Fischbein.
 *
 * %sccs.include.redist.c%
 */

#ifndef lint
static char sccsid[] = "@(#)util.c	8.4 (Berkeley) %G%";
#endif /* not lint */

#include <sys/types.h>
#include <sys/stat.h>

#include <ctype.h>
#include <fts.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "ls.h"
#include "extern.h"

void
prcopy(src, dest, len)
	char *src, *dest;
	int len;
{
	int ch;

	while (len--) {
		ch = *src++;
		*dest++ = isprint(ch) ? ch : '?';
	}
}

void
usage()
{
	(void)fprintf(stderr, "usage: ls [-1ACFLRTWacdfiklqrstu] [file ...]\n");
	exit(1);
}