Update configurable sigalgs documentation for providers

[openssl.git] / doc / man3 / BIO_printf.pod

diff --git a/doc/man3/BIO_printf.pod b/doc/man3/BIO_printf.pod
index ce3e6b31ad6950f9672ffb9eb52d6687bdb7f7f5..221881d123cabb31801ac25ff15dc5b9d320631b 100644 (file)
--- a/doc/man3/BIO_printf.pod
+++ b/doc/man3/BIO_printf.pod
@@ -40,13 +40,14 @@ buffer is too small.
 
 =head1 NOTES
 
-Except when I<n> is 0, both BIO_snprintf() and BIO_vsnprintf() terminate
-their output with C<'\0'> even when there is insufficient space to output
-the whole string.
+Except when I<n> is 0, both BIO_snprintf() and BIO_vsnprintf() always
+terminate their output with C<'\0'>.  This includes cases where -1 is
+returned, such as when there is insufficient space to output the whole
+string.
 
 =head1 COPYRIGHT
 
-Copyright 2017-2020 The OpenSSL Project Authors. All Rights Reserved.
+Copyright 2017-2021 The OpenSSL Project Authors. All Rights Reserved.
 
 Licensed under the Apache License 2.0 (the "License").  You may not use
 this file except in compliance with the License.  You can obtain a copy