1 /*
2  * Copyright 2016-2018 The OpenSSL Project Authors. All Rights Reserved.
3  *
4  * Licensed under the OpenSSL license (the "License").  You may not use
5  * this file except in compliance with the License.  You can obtain a copy
6  * in the file LICENSE in the source distribution or at
7  * https://www.openssl.org/source/license.html
8  */
9 
10 #include <openssl/bio.h>
11 
12 struct bio_method_st {
13     int type;
14     char *name;
15     int (*bwrite) (BIO *, const char *, size_t, size_t *);
16     int (*bwrite_old) (BIO *, const char *, int);
17     int (*bread) (BIO *, char *, size_t, size_t *);
18     int (*bread_old) (BIO *, char *, int);
19     int (*bputs) (BIO *, const char *);
20     int (*bgets) (BIO *, char *, int);
21     long (*ctrl) (BIO *, int, long, void *);
22     int (*create) (BIO *);
23     int (*destroy) (BIO *);
24     long (*callback_ctrl) (BIO *, int, BIO_info_cb *);
25 };
26 
27 void bio_free_ex_data(BIO *bio);
28 void bio_cleanup(void);
29 
30 
31 /* Old style to new style BIO_METHOD conversion functions */
32 int bwrite_conv(BIO *bio, const char *data, size_t datal, size_t *written);
33 int bread_conv(BIO *bio, char *data, size_t datal, size_t *read);
34