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rand: use time microseconds too in default rand initialization; generate proper uuid_v4

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This commit is contained in:
Delyan Angelov 2020-07-24 14:28:27 +03:00
parent c429fa7e27
commit 289974dd15
4 changed files with 17 additions and 5 deletions
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3
vlib/rand/util/util.v
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@ -25,7 +25,8 @@ fn nr_next(prev u32) u32 {
// time_seed_array is a utility function that returns the required number of u32s generated from system time
[inline]
pub fn time_seed_array(count int) []u32 {
mut seed := u32(time.now().unix_time())
ctime := time.now()
mut seed := u32(ctime.unix_time() ^ ctime.microsecond)
mut seed_data := []u32{cap: count}
for _ in 0 .. count {
seed = nr_next(seed)