lptest.c revision 1.2 
1/*
2 * Copyright (c) 1983 Regents of the University of California.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 *    must display the following acknowledgement:
15 *	This product includes software developed by the University of
16 *	California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#ifndef lint
35char copyright[] =
36"@(#) Copyright (c) 1983 Regents of the University of California.\n\
37 All rights reserved.\n";
38#endif /* not lint */
39
40#ifndef lint
41/*static char sccsid[] = "from: @(#)lptest.c	5.4 (Berkeley) 6/1/90";*/
42static char rcsid[] = "$Id: lptest.c,v 1.2 1993/08/01 17:58:33 mycroft Exp $";
43#endif /* not lint */
44
45/*
46 * lptest -- line printer test program (and other devices).
47 */
48
49#include <stdio.h>
50
51main(argc, argv)
52	int argc;
53	char **argv;
54{
55	int len, count;
56	register i, j, fc, nc;
57	char outbuf[BUFSIZ];
58
59	setbuf(stdout, outbuf);
60	if (argc >= 2)
61		len = atoi(argv[1]);
62	else
63		len = 79;
64	if (argc >= 3)
65		count = atoi(argv[2]);
66	else
67		count = 200;
68	fc = ' ';
69	for (i = 0; i < count; i++) {
70		if (++fc == 0177)
71			fc = ' ';
72		nc = fc;
73		for (j = 0; j < len; j++) {
74			putchar(nc);
75			if (++nc == 0177)
76				nc = ' ';
77		}
78		putchar('\n');
79	}
80	(void) fflush(stdout);
81}
82