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download PDF document: BIO_meth_set_puts.3.pdf

BIO_METH_NEW(3ossl) OpenSSL BIO_METH_NEW(3ossl)

NAME BIO_get_new_index, BIO_meth_new, BIO_meth_free, BIO_meth_get_read_ex, BIO_meth_set_read_ex, BIO_meth_get_write_ex, BIO_meth_set_write_ex, BIO_meth_get_write, BIO_meth_set_write, BIO_meth_get_read, BIO_meth_set_read, BIO_meth_get_puts, BIO_meth_set_puts, BIO_meth_get_gets, BIO_meth_set_gets, BIO_meth_get_ctrl, BIO_meth_set_ctrl, BIO_meth_get_create, BIO_meth_set_create, BIO_meth_get_destroy, BIO_meth_set_destroy, BIO_meth_get_callback_ctrl, BIO_meth_set_callback_ctrl - Routines to build up BIO methods
SYNOPSIS #include <openssl/bio.h>
int BIO_get_new_index(void);
BIO_METHOD *BIO_meth_new(int type, const char *name);
void BIO_meth_free(BIO_METHOD *biom);
int (*BIO_meth_get_write_ex(const BIO_METHOD *biom))(BIO *, const char *, size_t, size_t *); int (*BIO_meth_get_write(const BIO_METHOD *biom))(BIO *, const char *, int); int BIO_meth_set_write_ex(BIO_METHOD *biom, int (*bwrite)(BIO *, const char *, size_t, size_t *)); int BIO_meth_set_write(BIO_METHOD *biom, int (*write)(BIO *, const char *, int));
int (*BIO_meth_get_read_ex(const BIO_METHOD *biom))(BIO *, char *, size_t, size_t *); int (*BIO_meth_get_read(const BIO_METHOD *biom))(BIO *, char *, int); int BIO_meth_set_read_ex(BIO_METHOD *biom, int (*bread)(BIO *, char *, size_t, size_t *)); int BIO_meth_set_read(BIO_METHOD *biom, int (*read)(BIO *, char *, int));
int (*BIO_meth_get_puts(const BIO_METHOD *biom))(BIO *, const char *); int BIO_meth_set_puts(BIO_METHOD *biom, int (*puts)(BIO *, const char *));
int (*BIO_meth_get_gets(const BIO_METHOD *biom))(BIO *, char *, int); int BIO_meth_set_gets(BIO_METHOD *biom, int (*gets)(BIO *, char *, int));
long (*BIO_meth_get_ctrl(const BIO_METHOD *biom))(BIO *, int, long, void *); int BIO_meth_set_ctrl(BIO_METHOD *biom, long (*ctrl)(BIO *, int, long, void *));
int (*BIO_meth_get_create(const BIO_METHOD *bion))(BIO *); int BIO_meth_set_create(BIO_METHOD *biom, int (*create)(BIO *));
int (*BIO_meth_get_destroy(const BIO_METHOD *biom))(BIO *); int BIO_meth_set_destroy(BIO_METHOD *biom, int (*destroy)(BIO *));
long (*BIO_meth_get_callback_ctrl(const BIO_METHOD *biom))(BIO *, int, BIO_info_cb *); int BIO_meth_set_callback_ctrl(BIO_METHOD *biom, long (*callback_ctrl)(BIO *, int, BIO_info_cb *));
DESCRIPTION The BIO_METHOD type is a structure used for the implementation of new
The set of standard OpenSSL provided BIO types is provided in <openssl/bio.h>. Some examples include BIO_TYPE_BUFFER and BIO_TYPE_CIPHER. Filter BIOs should have a type which have the "filter" bit set (BIO_TYPE_FILTER). Source/sink BIOs should have the "source/sink" bit set (BIO_TYPE_SOURCE_SINK). File descriptor based BIOs (e.g. socket, fd, connect, accept etc) should additionally have the "descriptor" bit set (BIO_TYPE_DESCRIPTOR). See the BIO_find_type(3) page for more information.
BIO_meth_free() destroys a BIO_METHOD structure and frees up any memory associated with it.
BIO_meth_get_write_ex() and BIO_meth_set_write_ex() get and set the function used for writing arbitrary length data to the BIO respectively. This function will be called in response to the application calling BIO_write_ex() or BIO_write(). The parameters for the function have the same meaning as for BIO_write_ex(). Older code may call BIO_meth_get_write() and BIO_meth_set_write() instead. Applications should not call both BIO_meth_set_write_ex() and BIO_meth_set_write() or call BIO_meth_get_write() when the function was set with BIO_meth_set_write_ex().
BIO_meth_get_read_ex() and BIO_meth_set_read_ex() get and set the function used for reading arbitrary length data from the BIO respectively. This function will be called in response to the application calling BIO_read_ex() or BIO_read(). The parameters for the function have the same meaning as for BIO_read_ex(). Older code may call BIO_meth_get_read() and BIO_meth_set_read() instead. Applications should not call both BIO_meth_set_read_ex() and BIO_meth_set_read() or call BIO_meth_get_read() when the function was set with BIO_meth_set_read_ex().
BIO_meth_get_puts() and BIO_meth_set_puts() get and set the function used for writing a NULL terminated string to the BIO respectively. This function will be called in response to the application calling BIO_puts(). The parameters for the function have the same meaning as for BIO_puts().
BIO_meth_get_gets() and BIO_meth_set_gets() get and set the function typically used for reading a line of data from the BIO respectively (see the BIO_gets(3) page for more information). This function will be called in response to the application calling BIO_gets(). The parameters for the function have the same meaning as for BIO_gets().
BIO_meth_get_ctrl() and BIO_meth_set_ctrl() get and set the function used for processing ctrl messages in the BIO respectively. See the BIO_ctrl(3) page for more information. This function will be called in response to the application calling BIO_ctrl(). The parameters for the function have the same meaning as for BIO_ctrl().
BIO_meth_get_create() and BIO_meth_set_create() get and set the function used for creating a new instance of the BIO respectively. This function will be called in response to the application calling BIO_new() and passing in a pointer to the current BIO_METHOD. The BIO_new() function will allocate the memory for the new BIO, and a pointer to this newly allocated structure will be passed as a parameter to the function. If a create function is set, BIO_new() will not mark the BIO as initialised on allocation. BIO_set_init(3) must then be parameter. The destroy function should be used for BIO specific clean up. The memory for the BIO itself should not be freed by this function.
BIO_meth_get_callback_ctrl() and BIO_meth_set_callback_ctrl() get and set the function used for processing callback ctrl messages in the BIO respectively. See the BIO_callback_ctrl(3) page for more information. This function will be called in response to the application calling BIO_callback_ctrl(). The parameters for the function have the same meaning as for BIO_callback_ctrl().
RETURN VALUES BIO_get_new_index() returns the new BIO type value or -1 if an error occurred.
BIO_meth_new(int type, const char *name) returns a valid BIO_METHOD or NULL if an error occurred.
The BIO_meth_set functions return 1 on success or 0 on error.
The BIO_meth_get functions return the corresponding function pointers.
SEE ALSO bio(7), BIO_find_type(3), BIO_ctrl(3), BIO_read_ex(3), BIO_new(3)
HISTORY The functions described here were added in OpenSSL 1.1.0.
COPYRIGHT Copyright 2016-2022 The OpenSSL Project Authors. All Rights Reserved.
Licensed under the Apache License 2.0 (the "License"). You may not use this file except in compliance with the License. You can obtain a copy in the file LICENSE in the source distribution or at <https://www.openssl.org/source/license.html>.
3.0.11 2023-09-19 BIO_METH_NEW(3ossl)