/*
 *  prng.c
 *
 *  Command-line pseudo-random number generator
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include <stdio.h>
#include <stdlib.h>
#include <limits.h>
#include <time.h>

#ifdef __OS2__
#include <types.h>
#include <process.h>
#else
#include <unistd.h>
#endif

#include "bbs_rand.h"

int
main(int argc, char *argv[])
{
    unsigned char *seed;
    unsigned int ix, num = 1;
    pid_t pid;

    if (argc > 1) {
        num = atoi(argv[1]);
        if (num <= 0)
            num = 1;
    }

    pid = getpid();
    srand(time(NULL) * (unsigned int)pid);

    /* Not a perfect seed, but not bad */
    seed = malloc(bbs_seed_size);
    for (ix = 0; ix < bbs_seed_size; ix++) {
        seed[ix] = rand() % UCHAR_MAX;
    }

    bbs_srand(seed, bbs_seed_size);
    memset(seed, 0, bbs_seed_size);
    free(seed);

    while (num-- > 0) {
        ix = bbs_rand();

        printf("%u\n", ix);
    }

    return 0;
}