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ENGINE_get_ex_data.3
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.\" Automatically generated by Pod::Man 4.11 (Pod::Simple 3.35) .\" .\" Standard preamble: .\" ======================================================================== .de Sp \" Vertical space (when we can't use .PP) .if t .sp .5v .if n .sp .. .de Vb \" Begin verbatim text .ft CW .nf .ne \\$1 .. .de Ve \" End verbatim text .ft R .fi .. .\" Set up some character translations and predefined strings. \*(-- will .\" give an unbreakable dash, \*(PI will give pi, \*(L" will give a left .\" double quote, and \*(R" will give a right double quote. \*(C+ will .\" give a nicer C++. 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Always turn off hyphenation; it makes .\" way too many mistakes in technical documents. .if n .ad l .nh .SH "NAME" 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, X509_STORE_get_ex_new_index, X509_STORE_set_ex_data, X509_STORE_get_ex_data, X509_STORE_CTX_get_ex_new_index, X509_STORE_CTX_set_ex_data, X509_STORE_CTX_get_ex_data, DH_get_ex_new_index, DH_set_ex_data, DH_get_ex_data, DSA_get_ex_new_index, DSA_set_ex_data, DSA_get_ex_data, ECDH_get_ex_new_index, ECDH_set_ex_data, ECDH_get_ex_data, EC_KEY_get_ex_new_index, EC_KEY_set_ex_data, EC_KEY_get_ex_data, RSA_get_ex_new_index, RSA_set_ex_data, RSA_get_ex_data \&\- application\-specific data .SH "SYNOPSIS" .IX Header "SYNOPSIS" .Vb 1 \& #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); .Ve .SH "DESCRIPTION" .IX Header "DESCRIPTION" In the description here, \fI\s-1TYPE\s0\fR is used a placeholder for any of the OpenSSL datatypes listed in \&\fBCRYPTO_get_ex_new_index\fR\|(3). .PP These functions handle application-specific data for OpenSSL data structures. .PP \&\fBTYPE_get_ex_new_index()\fR is a macro that calls \fBCRYPTO_get_ex_new_index()\fR with the correct \fBindex\fR value. .PP \&\fBTYPE_set_ex_data()\fR is a function that calls \fBCRYPTO_set_ex_data()\fR with an offset into the opaque exdata part of the \s-1TYPE\s0 object. .PP \&\fBTYPE_get_ex_data()\fR is a function that calls \fBCRYPTO_get_ex_data()\fR with an offset into the opaque exdata part of the \s-1TYPE\s0 object. .SH "RETURN VALUES" .IX Header "RETURN VALUES" \&\fBTYPE_get_ex_new_index()\fR returns a new index on success or \-1 on error. .PP \&\fBTYPE_set_ex_data()\fR returns 1 on success or 0 on error. .PP \&\fBTYPE_get_ex_data()\fR returns the application data or \s-1NULL\s0 if an error occurred. .SH "SEE ALSO" .IX Header "SEE ALSO" \&\fBCRYPTO_get_ex_new_index\fR\|(3). .SH "COPYRIGHT" .IX Header "COPYRIGHT" Copyright 2015\-2020 The OpenSSL Project Authors. All Rights Reserved. .PP Licensed under the OpenSSL license (the \*(L"License\*(R"). You may not use this file except in compliance with the License. You can obtain a copy in the file \s-1LICENSE\s0 in the source distribution or at <https://www.openssl.org/source/license.html>.