the last argument of BIO_gets(3) is called "size", not "len"

diff --git a/lib/libcrypto/man/BIO_read.3 b/lib/libcrypto/man/BIO_read.3
index 97514a6..3f059b5 100644 (file)
--- a/lib/libcrypto/man/BIO_read.3
+++ b/lib/libcrypto/man/BIO_read.3
@@ -1,4 +1,4 @@
-.\"    $OpenBSD: BIO_read.3,v 1.8 2018/03/27 17:35:50 schwarze Exp $
+.\"    $OpenBSD: BIO_read.3,v 1.9 2021/11/14 13:40:16 schwarze Exp $
 .\"    OpenSSL 99d63d46 Oct 26 13:56:48 2016 -0400
 .\"
 .\" This file was written by Dr. Stephen Henson <steve@openssl.org>.
@@ -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: March 27 2018 $
+.Dd $Mdocdate: November 14 2021 $
 .Dt BIO_READ 3
 .Os
 .Sh NAME
@@ -96,7 +96,7 @@ performs the BIOs "gets" operation and places the data in
 .Fa buf .
 Usually this operation will attempt to read a line of data
 from the BIO of maximum length
-.Fa len No - 1 .
+.Fa size No \- 1 .
 There are exceptions to this however, for example
 .Fn BIO_gets
 on a digest BIO will calculate and return the digest
@@ -154,13 +154,13 @@ to the chain.
 .Sh RETURN VALUES
 All these functions return either the amount of data successfully
 read or written (if the return value is positive) or that no data
-was successfully read or written if the result is 0 or -1.
-If the return value is -2, then the operation is not implemented
+was successfully read or written if the result is 0 or \-1.
+If the return value is \-2, then the operation is not implemented
 in the specific BIO type.
 The trailing NUL is not included in the length returned by
 .Fn BIO_gets .
 .Pp
-A 0 or -1 return is not necessarily an indication of an error.
+A 0 or \-1 return is not necessarily an indication of an error.
 In particular when the source/sink is non-blocking or of a certain type
 it may merely be an indication that no data is currently available and that
 the application should retry the operation later.