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 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