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-rw-r--r--doc/man3/SSL_CTX_set_client_hello_cb.pod4
1 files changed, 3 insertions, 1 deletions
diff --git a/doc/man3/SSL_CTX_set_client_hello_cb.pod b/doc/man3/SSL_CTX_set_client_hello_cb.pod
index 6824b5b8d1a4..2ec298960a03 100644
--- a/doc/man3/SSL_CTX_set_client_hello_cb.pod
+++ b/doc/man3/SSL_CTX_set_client_hello_cb.pod
@@ -65,6 +65,8 @@ both required, and on success the caller must release the storage allocated for
B<*out> using OPENSSL_free(). The contents of B<*out> is an array of integers
holding the numerical value of the TLS extension types in the order they appear
in the ClientHello. B<*outlen> contains the number of elements in the array.
+In situations when the ClientHello has no extensions, the function will return
+success with B<*out> set to NULL and B<*outlen> set to 0.
=head1 NOTES
@@ -120,7 +122,7 @@ were added in OpenSSL 1.1.1.
=head1 COPYRIGHT
-Copyright 2017 The OpenSSL Project Authors. All Rights Reserved.
+Copyright 2017-2019 The OpenSSL Project Authors. All Rights Reserved.
Licensed under the OpenSSL license (the "License"). You may not use
this file except in compliance with the License. You can obtain a copy