mirror of
https://github.com/rn10950/RetroZilla.git
synced 2024-11-11 10:20:19 +01:00
58 lines
1.0 KiB
C
58 lines
1.0 KiB
C
/*
|
|
* 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;
|
|
|
|
}
|