mdw@git.distorted.org.uk Git - become/blob - src/dbutils.h

   1 /* -*-c-*-
   2  *
   3  * $Id: dbutils.h,v 1.6 2004/04/08 01:36:20 mdw Exp $
   4  *
   5  * Debugging things
   6  *
   7  * (c) 1998 Straylight
   8  */
   9
  10 /*----- Licensing notice --------------------------------------------------*
  11  *
  12  * This file is part of `become'
  13  *
  14  * `Become' is free software; you can redistribute it and/or modify
  15  * it under the terms of the GNU General Public License as published by
  16  * the Free Software Foundation; either version 2 of the License, or
  17  * (at your option) any later version.
  18  *
  19  * `Become' is distributed in the hope that it will be useful,
  20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22  * GNU General Public License for more details.
  23  *
  24  * You should have received a copy of the GNU General Public License
  25  * along with `become'; if not, write to the Free Software Foundation,
  26  * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  27  */
  28
  29 #ifndef DBUTILS_H
  30 #define DBUTILS_H
  31
  32 /* --- Note --- *
  33  *
  34  * This is most certainly not portable.  I'm using VT100-specific control
  35  * codes to clear the screen and @select@ to pause for a bit between
  36  * allocations to stop the scree flicker driving me up the wall.
  37  *
  38  * The main routine just allocates and frees blocks randomly, and displays
  39  */
  40
  41 #if defined(__unix)
  42 #  include <sys/time.h>
  43 #  include <unistd.h>
  44 #  define cls fputs("\33[H\33[2J", stderr) /* VT100 specific */
  45 #  define pause do {                                                    \
  46      struct timeval tv = { 0, 10000 };                                  \
  47      select(0, 0, 0, 0, &tv);                                           \
  48    } while (0)
  49 #elif defined(__riscos)
  50 #  include "swiv.h"
  51 #  include "swis.h"
  52 #  define cls _swi(OS_WriteC, _in(0), 12)
  53 #  define pause _swi(OS_Byte, _in(0), 19)
  54 #else
  55 #  define cls                           /* Tough.  Write these yourself. */
  56 #  define pause
  57 #endif
  58
  59 /*----- That's all, folks -------------------------------------------------*/
  60
  61 #endif