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BIO_GET_EX_NEW_INDEX(3) Library Functions Manual BIO_GET_EX_NEW_INDEX(3)

BIO_get_ex_new_index, BIO_set_ex_data, BIO_get_ex_data, ENGINE_get_ex_new_index, ENGINE_set_ex_data, ENGINE_get_ex_data, UI_get_ex_new_index, UI_set_ex_data, UI_get_ex_data, X509_get_ex_new_index, X509_set_ex_data, X509_get_ex_data, ECDH_get_ex_new_index, ECDH_set_ex_data, ECDH_get_ex_data, ECDSA_get_ex_new_index, ECDSA_set_ex_data, ECDSA_get_ex_data
application-specific data

#include <openssl/x509.h>

int
TYPE_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func, CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);

int
TYPE_set_ex_data(TYPE *d, int idx, void *arg);

void *
TYPE_get_ex_data(TYPE *d, int idx);

In the description here, TYPE is used a placeholder for any of the OpenSSL datatypes listed in CRYPTO_get_ex_new_index(3).

These functions handle application-specific data for OpenSSL data structures.

TYPE_get_ex_new_index() is a macro that calls CRYPTO_get_ex_new_index(3) with the correct index value.

TYPE_set_ex_data() is a function that calls CRYPTO_set_ex_data(3) with an offset into the opaque exdata part of the TYPE object.

TYPE_get_ex_data() is a function that calls CRYPTO_get_ex_data(3) with an offset into the opaque exdata part of the TYPE object.

TYPE_get_new_ex_index() returns a new index on success or -1 on error.

TYPE_set_ex_data() returns 1 on success or 0 on error.

TYPE_get_ex_data() returns the application data or NULL if an error occurred.

CRYPTO_get_ex_new_index(3), RSA_get_ex_new_index(3)

BIO_get_ex_new_index(), BIO_set_ex_data(), and BIO_get_ex_data() first appeared in SSLeay 0.9.0 and have been available since OpenBSD 2.4.

X509_get_ex_new_index(), X509_set_ex_data(), and X509_get_ex_data() first appeared in OpenSSL 0.9.5 and have been available since OpenBSD 2.7.

ENGINE_get_ex_new_index(), ENGINE_set_ex_data(), ENGINE_get_ex_data(), UI_get_ex_new_index(), UI_set_ex_data(), and UI_get_ex_data() first appeared in OpenSSL 0.9.7 and have been available since OpenBSD 3.2.

ECDH_get_ex_new_index(), ECDH_set_ex_data(), ECDH_get_ex_data(), ECDSA_get_ex_new_index(), ECDSA_set_ex_data(), and ECDSA_get_ex_data() first appeared in OpenSSL 0.9.8 and have been available since OpenBSD 4.5.

April 18, 2018 OpenBSD-current