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6e4618a0d7
Add sections (almost always "(3)" to L<> references that were missing them. Among other things, this Fixes: #10226 Also remove two references to non-existant manpages that have never existed, and with the 3.0 structure, are unlikely to do so. Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org> Reviewed-by: Richard Levitte <levitte@openssl.org> (Merged from https://github.com/openssl/openssl/pull/10240)
66 lines
2.2 KiB
Plaintext
66 lines
2.2 KiB
Plaintext
=pod
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=head1 NAME
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BIO_set_data, BIO_get_data, BIO_set_init, BIO_get_init, BIO_set_shutdown,
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BIO_get_shutdown - functions for managing BIO state information
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=head1 SYNOPSIS
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#include <openssl/bio.h>
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void BIO_set_data(BIO *a, void *ptr);
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void *BIO_get_data(BIO *a);
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void BIO_set_init(BIO *a, int init);
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int BIO_get_init(BIO *a);
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void BIO_set_shutdown(BIO *a, int shut);
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int BIO_get_shutdown(BIO *a);
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=head1 DESCRIPTION
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These functions are mainly useful when implementing a custom BIO.
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The BIO_set_data() function associates the custom data pointed to by B<ptr> with
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the BIO. This data can subsequently be retrieved via a call to BIO_get_data().
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This can be used by custom BIOs for storing implementation specific information.
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The BIO_set_init() function sets the value of the BIO's "init" flag to indicate
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whether initialisation has been completed for this BIO or not. A nonzero value
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indicates that initialisation is complete, whilst zero indicates that it is not.
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Often initialisation will complete during initial construction of the BIO. For
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some BIOs however, initialisation may not complete until after additional steps
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have occurred (for example through calling custom ctrls). The BIO_get_init()
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function returns the value of the "init" flag.
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The BIO_set_shutdown() and BIO_get_shutdown() functions set and get the state of
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this BIO's shutdown (i.e. BIO_CLOSE) flag. If set then the underlying resource
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is also closed when the BIO is freed.
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=head1 RETURN VALUES
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BIO_get_data() returns a pointer to the implementation specific custom data
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associated with this BIO, or NULL if none has been set.
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BIO_get_init() returns the state of the BIO's init flag.
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BIO_get_shutdown() returns the stat of the BIO's shutdown (i.e. BIO_CLOSE) flag.
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=head1 SEE ALSO
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L<bio(7)>, L<BIO_meth_new(3)>
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=head1 HISTORY
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The functions described here were added in OpenSSL 1.1.0.
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=head1 COPYRIGHT
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Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
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Licensed under the Apache License 2.0 (the "License"). You may not use
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this file except in compliance with the License. You can obtain a copy
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in the file LICENSE in the source distribution or at
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L<https://www.openssl.org/source/license.html>.
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=cut
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