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view src/ploki/random.c @ 12284:82cb3de99d33 draft
<b_jonas> `` f=/hackenv/bin/botloop; >$f echo $\'#!/bin/sh\\necho no\'; chmod -c a+x "$f"
author | HackEso <hackeso@esolangs.org> |
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date | Wed, 01 Jan 2020 09:35:29 +0000 |
parents | ac0403686959 |
children |
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#include "config.h" #include "random.h" #include <stdio.h> #include <stdlib.h> #include <time.h> void randseed(void) { unsigned seed; seed = time(NULL); #if HAVE_DEV_URANDOM_P { FILE *fp; if ((fp = fopen("/dev/urandom", "rb"))) { fread(&seed, sizeof seed, 1, fp); fclose(fp); } } #endif srand(seed); } double randval(void) { return rand() / (RAND_MAX + 1.0); }