usr.sbin/lpr/lptest/lptest.c

   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  * @(#) Copyright (c) 1983, 1993 The Regents of the University of California.  All rights reserved.
  35  * @(#)lptest.c 8.1 (Berkeley) 6/6/93
  36  * $FreeBSD: src/usr.sbin/lpr/lptest/lptest.c,v 1.2.8.2 2001/10/13 18:52:36 gad Exp $
  37  * $DragonFly: src/usr.sbin/lpr/lptest/lptest.c,v 1.3 2004/03/22 22:32:51 cpressey Exp $
  38  */
  39
  40 #include <stdlib.h>
  41 #include <stdio.h>
  42
  43 /*
  44  * lptest -- line printer test program (and other devices).
  45  */
  46 int
  47 main(int argc, char **argv)
  48 {
  49         int len, count;
  50         int i, j, fc, nc;
  51         char outbuf[BUFSIZ];
  52
  53         setbuf(stdout, outbuf);
  54         if (argc >= 2)
  55                 len = atoi(argv[1]);
  56         else
  57                 len = 79;
  58         if (argc >= 3)
  59                 count = atoi(argv[2]);
  60         else
  61                 count = 200;
  62         fc = ' ';
  63         for (i = 0; i < count; i++) {
  64                 if (++fc == 0177)
  65                         fc = ' ';
  66                 nc = fc;
  67                 for (j = 0; j < len; j++) {
  68                         putchar(nc);
  69                         if (++nc == 0177)
  70                                 nc = ' ';
  71                 }
  72                 putchar('\n');
  73         }
  74         fflush(stdout);
  75         exit(0);
  76 }