lptest.c revision 135852 
1/*
2 * Copyright (c) 1983, 1993
3 *	The Regents of the University of California.  All rights reserved.
4 *
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 *    must display the following acknowledgement:
16 *	This product includes software developed by the University of
17 *	California, Berkeley and its contributors.
18 * 4. Neither the name of the University nor the names of its contributors
19 *    may be used to endorse or promote products derived from this software
20 *    without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 */
34
35#ifndef lint
36static const char copyright[] =
37"@(#) Copyright (c) 1983, 1993\n\
38	The Regents of the University of California.  All rights reserved.\n";
39#endif /* not lint */
40
41#if 0
42#ifndef lint
43static char sccsid[] = "@(#)lptest.c	8.1 (Berkeley) 6/6/93";
44#endif /* not lint */
45#endif
46
47#include "lp.cdefs.h"		/* A cross-platform version of <sys/cdefs.h> */
48__FBSDID("$FreeBSD: head/usr.sbin/lpr/lptest/lptest.c 135852 2004-09-27 08:24:05Z phk $");
49
50#include <stdlib.h>
51#include <stdio.h>
52#include <err.h>
53
54/*
55 * lptest -- line printer test program (and other devices).
56 */
57int
58main(int argc, char **argv)
59{
60	int len, count;
61	register int i, j, fc, nc;
62	char outbuf[BUFSIZ];
63
64	setbuf(stdout, outbuf);
65	if (argc >= 2)
66		len = atoi(argv[1]);
67	else
68		len = 79;
69	if (argc >= 3)
70		count = atoi(argv[2]);
71	else
72		count = 200;
73	fc = ' ';
74	for (i = 0; i < count; i++) {
75		if (++fc == 0177)
76			fc = ' ';
77		nc = fc;
78		for (j = 0; j < len; j++) {
79			if (putchar(nc) == EOF)
80				err(1, "Write error");
81			if (++nc == 0177)
82				nc = ' ';
83		}
84		if (putchar('\n') == EOF)
85			err(1, "Write error");
86	}
87	(void) fflush(stdout);
88	exit(0);
89}
90