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/*
* Copyright (c) Abraham vd Merwe <abz@blio.net>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the author nor the names of other contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdlib.h>
#include <time.h>
#include <limits.h>
#include "typedefs.h"
/*
* Initialize random number generator
*/
void rand_init ()
{
#ifdef USE_RAND
srand (time (NULL));
#else
srandom (time (NULL));
#endif
}
/*
* Generate a random number within range
*/
int rand_value (int range)
{
#ifdef USE_RAND
return ((int) ((float) range * rand () / (RAND_MAX + 1.0)));
#else
return (random () % range);
#endif
}
/*
* Convert an str to long. Returns TRUE if successful,
* FALSE otherwise.
*/
bool str2int (int *i,const char *str)
{
char *endptr;
*i = strtol (str,&endptr,0);
if (*str == '\0' || *endptr != '\0' || *i == LONG_MIN || *i == LONG_MAX || *i < INT_MIN || *i > INT_MAX) return FALSE;
return TRUE;
}
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