ppt/ppt.c

   1 /*      $NetBSD: ppt.c,v 1.9 2000/07/03 03:57:43 matt Exp $     */
   2
   3 /*
   4  * Copyright (c) 1988, 1993
   5  *      The Regents of the University of California.  All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. All advertising materials mentioning features or use of this software
  16  *    must display the following acknowledgement:
  17  *      This product includes software developed by the University of
  18  *      California, Berkeley and its contributors.
  19  * 4. Neither the name of the University nor the names of its contributors
  20  *    may be used to endorse or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  * SUCH DAMAGE.
  34  */
  35
  36 #include <sys/cdefs.h>
  37 #ifndef lint
  38 __COPYRIGHT("@(#) Copyright (c) 1988, 1993\n\
  39         The Regents of the University of California.  All rights reserved.\n");
  40 #endif /* not lint */
  41
  42 #ifndef lint
  43 #if 0
  44 static char sccsid[] = "@(#)ppt.c       8.1 (Berkeley) 5/31/93";
  45 #else
  46 __RCSID("$NetBSD: ppt.c,v 1.9 2000/07/03 03:57:43 matt Exp $");
  47 #endif
  48 #endif /* not lint */
  49
  50 #include <stdio.h>
  51 #include <stdlib.h>
  52 #include <unistd.h>
  53
  54         int     main __P((int, char *[]));
  55 static void     putppt __P((int));
  56
  57 int
  58 main(argc, argv)
  59         int argc;
  60         char **argv;
  61 {
  62         int c;
  63         char *p;
  64
  65         /* Revoke setgid privileges */
  66         setgid(getgid());
  67
  68         (void) puts("___________");
  69         if (argc > 1)
  70                 while ((p = *++argv) != NULL) {
  71                         for (; *p; ++p)
  72                                 putppt((int)*p);
  73                         if ((*(argv + 1)))
  74                                 putppt((int)' ');
  75                 }
  76         else while ((c = getchar()) != EOF)
  77                 putppt(c);
  78         (void) puts("___________");
  79         exit(0);
  80 }
  81
  82 static void
  83 putppt(c)
  84         int c;
  85 {
  86         int i;
  87
  88         (void) putchar('|');
  89         for (i = 7; i >= 0; i--) {
  90                 if (i == 2)
  91                         (void) putchar('.');    /* feed hole */
  92                 if ((c&(1<<i)) != 0)
  93                         (void) putchar('o');
  94                 else
  95                         (void) putchar(' ');
  96         }
  97         (void) putchar('|');
  98         (void) putchar('\n');
  99 }