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Daniel Erat59c5f4b2015-08-24 12:50:25 -06001// Copyright 2014 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef CRYPTO_OPENSSL_BIO_STRING_H_
6#define CRYPTO_OPENSSL_BIO_STRING_H_
7
8#include <string>
9
10#include "crypto/crypto_export.h"
11
12// From <openssl/bio.h>
13typedef struct bio_st BIO;
14
15namespace crypto {
16
17// Creates a new BIO that can be used with OpenSSL's various output functions,
18// and which will write all output directly into |out|. This is primarily
19// intended as a utility to reduce the amount of copying and separate
20// allocations when performing extensive string modifications or streaming
21// within OpenSSL.
22//
23// Note: |out| must remain valid for the duration of the BIO.
24CRYPTO_EXPORT BIO* BIO_new_string(std::string* out);
25
26} // namespace crypto
27
28#endif // CRYPTO_OPENSSL_BIO_STRING_H_
29