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annotate src/ploki/random.c @ 7638:25b838ae35f6

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<boily> le/rn wat/\xe1\x8a\xa2\xe1\x89\xb5\xe1\x8b\xae\xe1\x8c\xb5\xe1\x8b\xab \xe1\x8b\x8d\xe1\x88\xb5\xe1\x8c\xa5 \xe1\x8b\xa8\xe1\x88\x9a\xe1\x88\xb0\xe1\x88\xab \xe1\x8b\xa8\xe1\x88\x9d\xe1\x8c\x8d\xe1\x89\xa5 \xe1\x8a\xa0\xe1\x8b\xad\xe1\x8a\x90\xe1\x89\xb5 \xe1\x88\xb2\xe1\x88\x86\xe1\x8a\x95\xe1\x8d\xa3 \xe1\x8b\xa8\xe1\x88\x9a\xe1\x88\xb0\xe1\x88\xab\xe1\x8b\x8d\xe1\x88\x9d \xe1\x8a\xa8\xe1\x8c\xa4\xe1\x8d\x8d \xe1\x8a\x90\xe1\x8b\x8d\xe1\x8d\xa2
author HackBot
date Sun, 01 May 2016 22:44:03 +0000
parents ac0403686959
children
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ac0403686959 <oerjan> rm -rf src/ploki; mv ploki src
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1 #include "config.h"
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2 #include "random.h"
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3
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4 #include <stdio.h>
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5 #include <stdlib.h>
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6 #include <time.h>
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7
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8 void randseed(void) {
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9 unsigned seed;
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10
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11 seed = time(NULL);
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12 #if HAVE_DEV_URANDOM_P
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13 {
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14 FILE *fp;
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15
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16 if ((fp = fopen("/dev/urandom", "rb"))) {
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17 fread(&seed, sizeof seed, 1, fp);
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18 fclose(fp);
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19 }
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20 }
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21 #endif
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22 srand(seed);
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23 }
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24
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25 double randval(void) {
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26 return rand() / (RAND_MAX + 1.0);
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27 }