From f26ef0aa360dae497f219007f5241029c6f83cf0 Mon Sep 17 00:00:00 2001 From: schwarze <> Date: Sun, 18 Dec 2022 19:35:36 +0000 Subject: new manual page BIO_dup_chain(3) --- src/lib/libcrypto/man/BIO_f_null.3 | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) (limited to 'src/lib/libcrypto/man/BIO_f_null.3') diff --git a/src/lib/libcrypto/man/BIO_f_null.3 b/src/lib/libcrypto/man/BIO_f_null.3 index 755f37dae7..a74726e1ff 100644 --- a/src/lib/libcrypto/man/BIO_f_null.3 +++ b/src/lib/libcrypto/man/BIO_f_null.3 @@ -1,5 +1,5 @@ -.\" $OpenBSD: BIO_f_null.3,v 1.9 2018/05/01 17:05:05 schwarze Exp $ -.\" OpenSSL e117a890 Sep 14 12:14:41 2000 +0000 +.\" $OpenBSD: BIO_f_null.3,v 1.10 2022/12/18 19:35:36 schwarze Exp $ +.\" full merge up to: OpenSSL e9b77246 Jan 20 19:58:49 2017 +0100 .\" .\" This file was written by Dr. Stephen Henson . .\" Copyright (c) 2000 The OpenSSL Project. All rights reserved. @@ -48,7 +48,7 @@ .\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED .\" OF THE POSSIBILITY OF SUCH DAMAGE. .\" -.Dd $Mdocdate: May 1 2018 $ +.Dd $Mdocdate: December 18 2022 $ .Dt BIO_F_NULL 3 .Os .Sh NAME @@ -69,6 +69,11 @@ As may be apparent, a null filter BIO is not particularly useful. All requests to a null filter BIO are passed through to the next BIO in the chain: this means that a BIO chain containing a null filter BIO behaves just as though the BIO was not there. +.Pp +A chain containing a null filter BIO cannot be copied with +.Xr BIO_dup_chain 3 , +and any attempt to do so fails and returns +.Dv NULL . .Sh RETURN VALUES .Fn BIO_f_null returns the null filter BIO method. -- cgit v1.2.3-55-g6feb