1 files changed, 24 insertions, 12 deletions
diff --git a/src/lib/libc/stdlib/rand.3 b/src/lib/libc/stdlib/rand.3
index a0e7740e66..50fe67d109 100644
--- a/src/lib/libc/stdlib/rand.3
+++ b/src/lib/libc/stdlib/rand.3
@@ -13,11 +13,7 @@
 .\" 2. Redistributions in binary form must reproduce the above copyright
 .\"    notice, this list of conditions and the following disclaimer in the
 .\"    documentation and/or other materials provided with the distribution.
-.\" 3. All advertising materials mentioning features or use of this software
+.\" 3. Neither the name of the University nor the names of its contributors
-.\"    must display the following acknowledgement:
-.\"     This product includes software developed by the University of
-.\"     California, Berkeley and its contributors.
-.\" 4. Neither the name of the University nor the names of its contributors
 .\"    may be used to endorse or promote products derived from this software
 .\"    without specific prior written permission.
 .\"
@@ -33,10 +29,9 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.\"     from: @(#)rand.3        6.7 (Berkeley) 6/29/91
+.\"     $OpenBSD: rand.3,v 1.11 2012/06/02 00:14:16 guenther Exp $
-.\"     $Id: rand.3,v 1.1.1.1 1995/10/18 08:42:19 deraadt Exp $
 .\"
-.Dd June 29, 1991
+.Dd $Mdocdate: June 2 2012 $
 .Dt RAND 3
 .Os
 .Sh NAME
@@ -46,12 +41,15 @@
 .Sh SYNOPSIS
 .Fd #include <stdlib.h>
 .Ft void
-.Fn srand "unsigned seed"
+.Fn srand "unsigned int seed"
 .Ft int
 .Fn rand void
+.Ft int
+.Fn rand_r "unsigned int *seed"
 .Sh DESCRIPTION
 .Bf -symbolic
-These interfaces are obsoleted by random(3).
+These interfaces are obsoleted by
+.Xr random 3 .
 .Ef
 .Pp
 The
@@ -73,13 +71,27 @@ with the same seed value.
 .Pp
 If no seed value is provided, the functions are automatically
 seeded with a value of 1.
+.Pp
+The
+.Fn rand_r
+is a thread-safe version of
+.Fn rand .
+Storage for the seed must be provided through the
+.Fa seed
+argument, and needs to have been initialized by the caller.
 .Sh SEE ALSO
+.Xr arc4random 3 ,
+.Xr rand48 3 ,
 .Xr random 3
 .Sh STANDARDS
 The
 .Fn rand
 and
 .Fn srand
-functions
+functions conform to
-conform to
 .St -ansiC .
+.Pp
+The
+.Fn rand_r
+function conforms to
+.St -p1003.1-2008 .

diff --git a/src/lib/libc/stdlib/rand.3 b/src/lib/libc/stdlib/rand.3 index a0e7740e66..50fe67d109 100644 --- a/src/lib/libc/stdlib/rand.3 +++ b/src/lib/libc/stdlib/rand.3
@@ -13,11 +13,7 @@
13	.\" 2. Redistributions in binary form must reproduce the above copyright	13	.\" 2. Redistributions in binary form must reproduce the above copyright
14	.\" notice, this list of conditions and the following disclaimer in the	14	.\" notice, this list of conditions and the following disclaimer in the
15	.\" documentation and/or other materials provided with the distribution.	15	.\" documentation and/or other materials provided with the distribution.
16	.\" 3. All advertising materials mentioning features or use of this software	16	.\" 3. Neither the name of the University nor the names of its contributors
17	.\" must display the following acknowledgement:
18	.\" This product includes software developed by the University of
19	.\" California, Berkeley and its contributors.
20	.\" 4. Neither the name of the University nor the names of its contributors
21	.\" may be used to endorse or promote products derived from this software	17	.\" may be used to endorse or promote products derived from this software
22	.\" without specific prior written permission.	18	.\" without specific prior written permission.
23	.\"	19	.\"
@@ -33,10 +29,9 @@
33	.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF	29	.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34	.\" SUCH DAMAGE.	30	.\" SUCH DAMAGE.
35	.\"	31	.\"
36	.\" from: @(#)rand.3 6.7 (Berkeley) 6/29/91	32	.\" $OpenBSD: rand.3,v 1.11 2012/06/02 00:14:16 guenther Exp $
37	.\" $Id: rand.3,v 1.1.1.1 1995/10/18 08:42:19 deraadt Exp $
38	.\"	33	.\"
39	.Dd June 29, 1991	34	.Dd $Mdocdate: June 2 2012 $
40	.Dt RAND 3	35	.Dt RAND 3
41	.Os	36	.Os
42	.Sh NAME	37	.Sh NAME
@@ -46,12 +41,15 @@
46	.Sh SYNOPSIS	41	.Sh SYNOPSIS
47	.Fd #include <stdlib.h>	42	.Fd #include <stdlib.h>
48	.Ft void	43	.Ft void
49	.Fn srand "unsigned seed"	44	.Fn srand "unsigned int seed"
50	.Ft int	45	.Ft int
51	.Fn rand void	46	.Fn rand void
		47	.Ft int
		48	.Fn rand_r "unsigned int *seed"
52	.Sh DESCRIPTION	49	.Sh DESCRIPTION
53	.Bf -symbolic	50	.Bf -symbolic
54	These interfaces are obsoleted by random(3).	51	These interfaces are obsoleted by
		52	.Xr random 3 .
55	.Ef	53	.Ef
56	.Pp	54	.Pp
57	The	55	The
@@ -73,13 +71,27 @@ with the same seed value.
73	.Pp	71	.Pp
74	If no seed value is provided, the functions are automatically	72	If no seed value is provided, the functions are automatically
75	seeded with a value of 1.	73	seeded with a value of 1.
		74	.Pp
		75	The
		76	.Fn rand_r
		77	is a thread-safe version of
		78	.Fn rand .
		79	Storage for the seed must be provided through the
		80	.Fa seed
		81	argument, and needs to have been initialized by the caller.
76	.Sh SEE ALSO	82	.Sh SEE ALSO
		83	.Xr arc4random 3 ,
		84	.Xr rand48 3 ,
77	.Xr random 3	85	.Xr random 3
78	.Sh STANDARDS	86	.Sh STANDARDS
79	The	87	The
80	.Fn rand	88	.Fn rand
81	and	89	and
82	.Fn srand	90	.Fn srand
83	functions	91	functions conform to
84	conform to
85	.St -ansiC .	92	.St -ansiC .
		93	.Pp
		94	The
		95	.Fn rand_r
		96	function conforms to
		97	.St -p1003.1-2008 .