xref: /original-bsd/usr.sbin/lpr/lptest/lptest.c (revision 60e1d6e0)
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
35 char 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[] = "@(#)lptest.c	5.6 (Berkeley) 7/30/92";
42 #endif /* not lint */
43 
44 #include <stdlib.h>
45 #include <stdio.h>
46 
47 /*
48  * lptest -- line printer test program (and other devices).
49  */
50 void
51 main(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 	exit(0);
82 }
83