## root/clib/misc.c

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## DEFINITIONS

This source file includes following definitions.

1. rnd

    /* Misc function library module,
       Rick Smereka, Copyright (C) 2003-2004.

       This program is free software; you can redistribute it and/or modify
       it under the terms of the GNU General Public License as published by
       the Free Software Foundation; either version 2 of the License, or
       (at your option) any later version.

       This program is distributed in the hope that it will be useful,
       but WITHOUT ANY WARRANTY; without even the implied warranty of
       MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
       GNU General Public License for more details.

       You should have received a copy of the GNU General Public License
       along with this program; if not, get a copy via the Internet at
       http://gnu.org/copyleft/gpl.html or write to the Free Software
       Foundation, Inc., 59 Temple Place, Suite 330, Boston,
       MA 02111-1307 USA

       You can contact the author via email at rsmereka@future-lab.com

       Original Linux version Jun/2003, Rick Smereka

       Ported to DOS, 32-bit Windows and QNX V4.x, Jul/2003, Rick Smereka

       Changed all logging calls from 'log_file_date' to 'logman'.
       Mar/2004, Rick Smereka */

    #include "stdhead.h"

    int rnd(int lowr, int highr)
    {
       /* Generate a random number in the range 'lowr' to 'highr'
          (inclusive). Function returns the random number upon
          success, '-1' otherwise. */

       char mname[] = "rnd";
       int result, nhighr, range;

       if (lowr >= highr)
          {
          logman("%s:range[lowr must be less than highr]", mname);
          return(-1);
          }

       if (lowr == 0)
          {
          nhighr = ++highr;
          result = rand() % nhighr;
          }
       else
          {
          range = highr - lowr + 1;
          result = (rand() % range) + lowr;
          }

       return(result);
    }

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