1/*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 1983, 1993
5 *	The Regents of the University of California.  All rights reserved.
6 *
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the University nor the names of its contributors
17 *    may be used to endorse or promote products derived from this software
18 *    without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33#include "lp.cdefs.h"		/* A cross-platform version of <sys/cdefs.h> */
34#include <stdlib.h>
35#include <stdio.h>
36#include <err.h>
37
38/*
39 * lptest -- line printer test program (and other devices).
40 */
41int
42main(int argc, char **argv)
43{
44	int len, count;
45	register int i, j, fc, nc;
46	char outbuf[BUFSIZ];
47
48	setbuf(stdout, outbuf);
49	if (argc >= 2)
50		len = atoi(argv[1]);
51	else
52		len = 79;
53	if (argc >= 3)
54		count = atoi(argv[2]);
55	else
56		count = 200;
57	fc = ' ';
58	for (i = 0; i < count; i++) {
59		if (++fc == 0177)
60			fc = ' ';
61		nc = fc;
62		for (j = 0; j < len; j++) {
63			if (putchar(nc) == EOF)
64				err(1, "Write error");
65			if (++nc == 0177)
66				nc = ' ';
67		}
68		if (putchar('\n') == EOF)
69			err(1, "Write error");
70	}
71	(void) fflush(stdout);
72	exit(0);
73}
74