chromium/third_party/boringssl/src/crypto/bio/pair.c

/* ====================================================================
 * Copyright (c) 1998-2003 The OpenSSL Project.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
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 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. All advertising materials mentioning features or use of this
 *    software must display the following acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
 *
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 *    endorse or promote products derived from this software without
 *    prior written permission. For written permission, please contact
 *    [email protected].
 *
 * 5. Products derived from this software may not be called "OpenSSL"
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 *    permission of the OpenSSL Project.
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 * 6. Redistributions of any form whatsoever must retain the following
 *    acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
 *
 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
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 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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 * ====================================================================
 *
 * This product includes cryptographic software written by Eric Young
 * ([email protected]).  This product includes software written by Tim
 * Hudson ([email protected]). */

#include <openssl/bio.h>

#include <assert.h>
#include <string.h>

#include <openssl/err.h>
#include <openssl/mem.h>

#include "../internal.h"


struct bio_bio_st { … };

static int bio_new(BIO *bio) { … }

static void bio_destroy_pair(BIO *bio) { … }

static int bio_free(BIO *bio) { … }

static int bio_read(BIO *bio, char *buf, int size_) { … }

static int bio_write(BIO *bio, const char *buf, int num_) { … }

static int bio_make_pair(BIO *bio1, BIO *bio2, size_t writebuf1_len,
                         size_t writebuf2_len) { … }

static long bio_ctrl(BIO *bio, int cmd, long num, void *ptr) { … }


static const BIO_METHOD methods_biop = …;

static const BIO_METHOD *bio_s_bio(void) { … }

int BIO_new_bio_pair(BIO** bio1_p, size_t writebuf1_len,
                     BIO** bio2_p, size_t writebuf2_len) { … }

size_t BIO_ctrl_get_read_request(BIO *bio) { … }

size_t BIO_ctrl_get_write_guarantee(BIO *bio) { … }

int BIO_shutdown_wr(BIO *bio) { … }