include/internal/bio.h

   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);