diff options
| -rw-r--r-- | lib/libcrypto/man/BIO_read.3 | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/lib/libcrypto/man/BIO_read.3 b/lib/libcrypto/man/BIO_read.3 index 97514a610a2..3f059b5d54f 100644 --- 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. |