Use sysctl(KERN_ARND) to get n bytes, instead of just 4 at a time

and remove fallback code. If somebody is dumb enough to make the
sysctl fail using systrace, he deserves what he gets. Saves 7 syscalls
on process startup.
looks good miod@ ok deraadt@ tedu@

1 files changed, 3 insertions, 4 deletions

diff --git a/src/lib/libc/stdlib/random.3 b/src/lib/libc/stdlib/random.3
index f43f06420d..626b040b50 100644
--- a/src/lib/libc/stdlib/random.3
+++ b/src/lib/libc/stdlib/random.3
@@ -25,7 +25,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.\"     $OpenBSD: random.3,v 1.17 2003/06/02 20:18:38 millert Exp $
+.\"     $OpenBSD: random.3,v 1.18 2005/11/30 07:51:02 otto Exp $
 .\"
 .Dd April 19, 1991
 .Dt RANDOM 3
@@ -89,9 +89,8 @@ as the seed.
 .Pp
 The
 .Fn srandomdev
-routine initializes a state array using the
-.Xr arandom 4
-random number device which returns good random numbers,
+routine initializes a state array using
+random numbers obtained from the kernel,
 suitable for cryptographic use.
 Note that this particular seeding procedure can generate
 states which are impossible to reproduce by calling