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 #ifndef lint
34 static const char copyright[] =
35 "@(#) Copyright (c) 1983, 1993\n\
36 The Regents of the University of California. All rights reserved.\n";
37 #endif /* not lint */
38
39 #if 0
40 #ifndef lint
41 static char sccsid[] = "@(#)lptest.c 8.1 (Berkeley) 6/6/93";
42 #endif /* not lint */
43 #endif
44
45 #include "lp.cdefs.h" /* A cross-platform version of <sys/cdefs.h> */
46 #include <stdlib.h>
47 #include <stdio.h>
48 #include <err.h>
49
50 /*
51 * lptest -- line printer test program (and other devices).
52 */
53 int
main(int argc,char ** argv)54 main(int argc, char **argv)
55 {
56 int len, count;
57 register int i, j, fc, nc;
58 char outbuf[BUFSIZ];
59
60 setbuf(stdout, outbuf);
61 if (argc >= 2)
62 len = atoi(argv[1]);
63 else
64 len = 79;
65 if (argc >= 3)
66 count = atoi(argv[2]);
67 else
68 count = 200;
69 fc = ' ';
70 for (i = 0; i < count; i++) {
71 if (++fc == 0177)
72 fc = ' ';
73 nc = fc;
74 for (j = 0; j < len; j++) {
75 if (putchar(nc) == EOF)
76 err(1, "Write error");
77 if (++nc == 0177)
78 nc = ' ';
79 }
80 if (putchar('\n') == EOF)
81 err(1, "Write error");
82 }
83 (void) fflush(stdout);
84 exit(0);
85 }
86