2015-10-21 05:03:22 +02:00
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/*
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* prng.c
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*
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* Command-line pseudo-random number generator
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*
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2018-05-04 16:08:28 +02:00
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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2015-10-21 05:03:22 +02:00
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#include <stdio.h>
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#include <stdlib.h>
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#include <limits.h>
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#include <time.h>
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#ifdef __OS2__
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#include <types.h>
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#include <process.h>
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#else
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#include <unistd.h>
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#endif
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#include "bbs_rand.h"
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int main(int argc, char *argv[])
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{
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unsigned char *seed;
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unsigned int ix, num = 1;
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pid_t pid;
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if(argc > 1) {
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num = atoi(argv[1]);
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if(num <= 0)
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num = 1;
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}
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pid = getpid();
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srand(time(NULL) * (unsigned int)pid);
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/* Not a perfect seed, but not bad */
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seed = malloc(bbs_seed_size);
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for(ix = 0; ix < bbs_seed_size; ix++) {
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seed[ix] = rand() % UCHAR_MAX;
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}
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bbs_srand(seed, bbs_seed_size);
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memset(seed, 0, bbs_seed_size);
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free(seed);
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while(num-- > 0) {
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ix = bbs_rand();
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printf("%u\n", ix);
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}
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return 0;
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}
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