diff options
| author |   schwarze <schwarze@openbsd.org> | 2015-01-31 00:20:12 +0000 |
|---|---|---|
| committer | schwarze <schwarze@openbsd.org> | 2015-01-31 00:20:12 +0000 |
| commit | 51dfd59f7cbc458db1656f9442bef66eff00a18c (patch) | |
| tree | 85196f58514b22c6cd7e66cf8f6ef9ad3037518a /lib/libc/sys | |
| parent | Use relative offsets instead of absolute pointers for the terminal (diff) | |
| download | wireguard-openbsd-51dfd59f7cbc458db1656f9442bef66eff00a18c.tar.xz wireguard-openbsd-51dfd59f7cbc458db1656f9442bef66eff00a18c.zip | |
fix macro usage; from Kaspars at Bankovskis dot net
Diffstat (limited to 'lib/libc/sys')
| -rw-r--r-- | lib/libc/sys/getentropy.2 | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/lib/libc/sys/getentropy.2 b/lib/libc/sys/getentropy.2 index 649289f20e5..895ee444551 100644 --- a/lib/libc/sys/getentropy.2 +++ b/lib/libc/sys/getentropy.2 @@ -1,4 +1,4 @@ -.\" $OpenBSD: getentropy.2,v 1.7 2014/12/10 19:19:00 schwarze Exp $ +.\" $OpenBSD: getentropy.2,v 1.8 2015/01/31 00:20:12 schwarze Exp $ .\" .\" Copyright (c) 2014 Theo de Raadt .\" @@ -14,30 +14,30 @@ .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. .\" -.Dd $Mdocdate: December 10 2014 $ +.Dd $Mdocdate: January 31 2015 $ .Dt GETENTROPY 2 .Os .Sh NAME .Nm getentropy .Nd get entropy .Sh SYNOPSIS -.Fd #include <unistd.h> +.In unistd.h .Ft int .Fn getentropy "void *buf" "size_t buflen" .Sh DESCRIPTION -.Nm +.Fn getentropy fills a buffer with high-quality entropy, which can be used as input for process-context pseudorandom generators like .Xr arc4random 3 . .Pp The maximum buffer size permitted is 256 bytes. If -.Va buflen +.Fa buflen exceeds this, an error of .Er EIO will be indicated. .Pp -.Nm +.Fn getentropy is not intended for regular code; please use the .Xr arc4random 3 family of functions instead. @@ -59,6 +59,6 @@ Too many bytes requested, or some other fatal error occurred. .Xr arc4random 3 .Sh HISTORY The -.Nm +.Fn getentropy function appeared in .Ox 5.6 . |