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DEFINITIONS
This source file includes following definitions.
- 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);
}