migration_guide: Mention ERR_GET_FUNC() and function code removal

Fixes #16817

Reviewed-by: Dmitry Belyavskiy <beldmit@gmail.com>
Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/16879)
This commit is contained in:
Tomas Mraz 2021-10-21 17:40:22 +02:00
parent 767db672c4
commit b387274d0f

View File

@ -451,6 +451,11 @@ For example when setting an unsupported curve with
EVP_PKEY_CTX_set_ec_paramgen_curve_nid() this function call will not fail
but later keygen operations with the EVP_PKEY_CTX will fail.
=head4 Removal of function code from the error codes
The function code part of the error code is now always set to 0. For that
reason the ERR_GET_FUNC() macro was removed. Applications must resolve
the error codes only using the library number and the reason code.
=head2 Installation and Compilation