xref: /freebsd/usr.sbin/lpr/lptest/lptest.c (revision dba6dd177bdee890cf445fbe21a5dccefd5de18e)
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
36 static 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
43 static 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("$FreeBSD$");
49 
50 #include <stdlib.h>
51 #include <stdio.h>
52 
53 /*
54  * lptest -- line printer test program (and other devices).
55  */
56 int
57 main(int argc, char **argv)
58 {
59 	int len, count;
60 	register int i, j, fc, nc;
61 	char outbuf[BUFSIZ];
62 
63 	setbuf(stdout, outbuf);
64 	if (argc >= 2)
65 		len = atoi(argv[1]);
66 	else
67 		len = 79;
68 	if (argc >= 3)
69 		count = atoi(argv[2]);
70 	else
71 		count = 200;
72 	fc = ' ';
73 	for (i = 0; i < count; i++) {
74 		if (++fc == 0177)
75 			fc = ' ';
76 		nc = fc;
77 		for (j = 0; j < len; j++) {
78 			putchar(nc);
79 			if (++nc == 0177)
80 				nc = ' ';
81 		}
82 		putchar('\n');
83 	}
84 	(void) fflush(stdout);
85 	exit(0);
86 }
87