diff options
| author | Christian Weisgerber <naddy@cvs.openbsd.org> | 2013-08-29 20:22:23 +0000 |
|---|---|---|
| committer | Christian Weisgerber <naddy@cvs.openbsd.org> | 2013-08-29 20:22:23 +0000 |
| commit | 8ce81dbb9ce96aff37591175c4be0778150c387c (patch) | |
| tree | fe2cf8a0e8381920812ba877a940668255c15104 /games/arithmetic | |
| parent | 514acfbf4d29506078ac09ba5d85f12a80634c1f (diff) | |
replace srandomdev()+random() with the arc4random*() family
tweaks and ok millert@, ok deraadt@
Diffstat (limited to 'games/arithmetic')
| -rw-r--r-- | games/arithmetic/arithmetic.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/games/arithmetic/arithmetic.c b/games/arithmetic/arithmetic.c index 17cffd4f590..0c14c265d25 100644 --- a/games/arithmetic/arithmetic.c +++ b/games/arithmetic/arithmetic.c @@ -1,4 +1,4 @@ -/* $OpenBSD: arithmetic.c,v 1.17 2009/10/27 23:59:23 deraadt Exp $ */ +/* $OpenBSD: arithmetic.c,v 1.18 2013/08/29 20:22:09 naddy Exp $ */ /* * Copyright (c) 1989, 1993 @@ -124,9 +124,6 @@ main(int argc, char *argv[]) if (argc -= optind) usage(); - /* Seed the random-number generator. */ - srandomdev(); - (void)signal(SIGINT, intr); /* Now ask the questions. */ @@ -177,7 +174,7 @@ problem(void) int left, op, right, result; char line[80]; - op = keys[random() % nkeys]; + op = keys[arc4random_uniform(nkeys)]; if (op != '/') right = getrandom(rangemax + 1, op, 1); retry: @@ -198,7 +195,7 @@ retry: case '/': right = getrandom(rangemax, op, 1) + 1; result = getrandom(rangemax + 1, op, 0); - left = right * result + random() % right; + left = right * result + arc4random_uniform(right); break; } @@ -308,7 +305,7 @@ getrandom(int maxval, int op, int operand) struct penalty **pp, *p; op = opnum(op); - value = random() % (maxval + penalty[op][operand]); + value = arc4random_uniform(maxval + penalty[op][operand]); /* * 0 to maxval - 1 is a number to be used directly; bigger values |