Document the RETURN VALUES of BIO_method_type(3) and BIO_method_name(3)

for the various BIO types.

1 files changed, 11 insertions, 2 deletions

diff --git a/src/lib/libcrypto/man/BIO_f_md.3 b/src/lib/libcrypto/man/BIO_f_md.3
index d98111f459..091995dc1b 100644
--- a/src/lib/libcrypto/man/BIO_f_md.3
+++ b/src/lib/libcrypto/man/BIO_f_md.3
@@ -1,4 +1,4 @@
-.\" $OpenBSD: BIO_f_md.3,v 1.12 2022/12/18 19:35:36 schwarze Exp $
+.\" $OpenBSD: BIO_f_md.3,v 1.13 2023/04/11 16:58:43 schwarze Exp $
 .\" full merge up to: OpenSSL 99d63d46 Oct 26 13:56:48 2016 -0400
 .\"
 .\" This file was written by Dr. Stephen Henson <steve@openssl.org>.
@@ -49,7 +49,7 @@
 .\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 .\" OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
-.Dd $Mdocdate: December 18 2022 $
+.Dd $Mdocdate: April 11 2023 $
 .Dt BIO_F_MD 3
 .Os
 .Sh NAME
@@ -181,6 +181,15 @@ are not sufficiently flexible.
 .Fn BIO_f_md
 returns the digest BIO method.
 .Pp
+When called on a message digest BIO object,
+.Xr BIO_method_type 3
+returns the constant
+.Dv BIO_TYPE_MD
+and
+.Xr BIO_method_name 3
+returns a pointer to the static string
+.Qq message digest .
+.Pp
 .Fn BIO_set_md ,
 .Fn BIO_get_md ,
 and