libc: Note that getentropy is nearly POSIX 2024

Our implementation currently diverges from POSIX 2024 in a couple of
ways, as now noted in the BUGS section.

Reviewed by:	brooks
Sponsored by:	The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D47589
This commit is contained in:
Ed Maste 2024-11-14 21:29:49 -05:00
parent 18a8f4e586
commit 95b71a659a

View File

@ -15,7 +15,7 @@
.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
.\"
.Dd February 24, 2018
.Dd November 20, 2024
.Dt GETENTROPY 3
.Os
.Sh NAME
@ -69,10 +69,8 @@ Too many bytes requested, or some other fatal error occurred.
.Xr random 4
.Sh STANDARDS
.Fn getentropy
is non-standard.
It is present on
.Ox
and Linux.
nearly conforms to
.St -p1003.1-2024 .
.Sh HISTORY
The
.Fn getentropy
@ -82,3 +80,9 @@ The
.Fx
libc compatibility shim first appeared in
.Fx 12.0 .
.Sh BUGS
.In limits.h
does not define
.Dv GETENTROPY_MAX .
Some error values do not match
.St -p1003.1-2024 .