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-rw-r--r--doc/man3/BIO_meth_new.pod31
1 files changed, 17 insertions, 14 deletions
diff --git a/doc/man3/BIO_meth_new.pod b/doc/man3/BIO_meth_new.pod
index 7a1e72d4fc6c..d626277c03b1 100644
--- a/doc/man3/BIO_meth_new.pod
+++ b/doc/man3/BIO_meth_new.pod
@@ -60,23 +60,23 @@ BIO_meth_set_callback_ctrl - Routines to build up BIO methods
The B<BIO_METHOD> type is a structure used for the implementation of new BIO
types. It provides a set of functions used by OpenSSL for the implementation
-of the various BIO capabilities. See the L<bio> page for more information.
+of the various BIO capabilities. See the L<bio(7)> page for more information.
BIO_meth_new() creates a new B<BIO_METHOD> structure. It should be given a
unique integer B<type> and a string that represents its B<name>.
Use BIO_get_new_index() to get the value for B<type>.
The set of
-standard OpenSSL provided BIO types is provided in B<bio.h>. Some examples
-include B<BIO_TYPE_BUFFER> and B<BIO_TYPE_CIPHER>. Filter BIOs should have a
-type which have the "filter" bit set (B<BIO_TYPE_FILTER>). Source/sink BIOs
-should have the "source/sink" bit set (B<BIO_TYPE_SOURCE_SINK>). File descriptor
-based BIOs (e.g. socket, fd, connect, accept etc) should additionally have the
-"descriptor" bit set (B<BIO_TYPE_DESCRIPTOR>). See the L<BIO_find_type> page for
-more information.
+standard OpenSSL provided BIO types is provided in F<< <openssl/bio.h> >>.
+Some examples include B<BIO_TYPE_BUFFER> and B<BIO_TYPE_CIPHER>. Filter BIOs
+should have a type which have the "filter" bit set (B<BIO_TYPE_FILTER>).
+Source/sink BIOs should have the "source/sink" bit set (B<BIO_TYPE_SOURCE_SINK>).
+File descriptor based BIOs (e.g. socket, fd, connect, accept etc) should
+additionally have the "descriptor" bit set (B<BIO_TYPE_DESCRIPTOR>). See the
+L<BIO_find_type(3)> page for more information.
BIO_meth_free() destroys a B<BIO_METHOD> structure and frees up any memory
-associated with it.
+associated with it. If the argument is NULL, nothing is done.
BIO_meth_get_write_ex() and BIO_meth_set_write_ex() get and set the function
used for writing arbitrary length data to the BIO respectively. This function
@@ -108,7 +108,7 @@ application calling BIO_gets(). The parameters for the function have the same
meaning as for BIO_gets().
BIO_meth_get_ctrl() and BIO_meth_set_ctrl() get and set the function used for
-processing ctrl messages in the BIO respectively. See the L<BIO_ctrl> page for
+processing ctrl messages in the BIO respectively. See the L<BIO_ctrl(3)> page for
more information. This function will be called in response to the application
calling BIO_ctrl(). The parameters for the function have the same meaning as for
BIO_ctrl().
@@ -118,7 +118,10 @@ for creating a new instance of the BIO respectively. This function will be
called in response to the application calling BIO_new() and passing
in a pointer to the current BIO_METHOD. The BIO_new() function will allocate the
memory for the new BIO, and a pointer to this newly allocated structure will
-be passed as a parameter to the function.
+be passed as a parameter to the function. If a create function is set,
+BIO_new() will not mark the BIO as initialised on allocation.
+L<BIO_set_init(3)> must then be called either by the create function, or later,
+by a BIO ctrl function, once BIO initialisation is complete.
BIO_meth_get_destroy() and BIO_meth_set_destroy() get and set the function used
for destroying an instance of a BIO respectively. This function will be
@@ -146,7 +149,7 @@ The B<BIO_meth_get> functions return the corresponding function pointers.
=head1 SEE ALSO
-L<bio>, L<BIO_find_type>, L<BIO_ctrl>, L<BIO_read_ex>, L<BIO_new>
+L<bio(7)>, L<BIO_find_type(3)>, L<BIO_ctrl(3)>, L<BIO_read_ex(3)>, L<BIO_new(3)>
=head1 HISTORY
@@ -154,9 +157,9 @@ The functions described here were added in OpenSSL 1.1.0.
=head1 COPYRIGHT
-Copyright 2016-2018 The OpenSSL Project Authors. All Rights Reserved.
+Copyright 2016-2024 The OpenSSL Project Authors. All Rights Reserved.
-Licensed under the OpenSSL license (the "License"). You may not use
+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
in the file LICENSE in the source distribution or at
L<https://www.openssl.org/source/license.html>.