gnutls_ext_register − API function


, int int gnutls_ext_register(const char * name

const char * name
            the name of the extension to register

int type    the numeric id of the extension

gnutls_ext_parse_type_t parse_type
            the parse type of the extension (see

gnutls_ext_recv_func recv_func
            a function to receive the data

gnutls_ext_send_func send_func
            a function to send the data

gnutls_ext_deinit_data_func deinit_func
            a function deinitialize any private data

gnutls_ext_pack_func pack_func
            a function which serializes the extension’s
            private data (used on session packing for

gnutls_ext_unpack_func unpack_func
            a function which will deserialize the
            extension’s private data

This function will register a new extension type. The
extension will remain registered until
gnutls_global_deinit() is called. If the extension type is
already registered then GNUTLS_E_ALREADY_REGISTERED will be

Each registered extension can store temporary data into the
gnutls_session_t structure using gnutls_ext_set_data(), and
they can be retrieved using gnutls_ext_get_data().

This function is not thread safe.

GNUTLS_E_SUCCESS on success, otherwise a negative error



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