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.\" ========================================================================
.\"
.IX Title "Crypt::SSLeay::Version 3"
.TH Crypt::SSLeay::Version 3 "2017-04-03" "perl v5.36.1" "User Contributed Perl Documentation"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
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.SH "NAME"
Crypt::SSLeay::Version \- Obtain OpenSSL version information
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 8
\& use Crypt::SSLeay::Version qw(\e
\& openssl_built_on
\& openssl_cflags
\& openssl_dir
\& openssl_platform
\& openssl_version
\& openssl_version_number
\& );
\&
\& my $version = openssl_version();
\&
\& if (openssl_cflags() =~ /DOPENSSL_NO_HEARTBEATS/) {
\& print "OpenSSL was compiled without heartbeats\en";
\& }
.Ve
.SH "SUMMARY"
.IX Header "SUMMARY"
Exposes information provided by SSLeay_version <https://www.openssl.org/docs/crypto/SSLeay_version.html>.
.SH "EXPORTS"
.IX Header "EXPORTS"
By default, the module exports nothing. You can ask for each subroutine bloew to be exported to your namespace.
.SH "SUBROUTINES"
.IX Header "SUBROUTINES"
.SS "openssl_built_on"
.IX Subsection "openssl_built_on"
The date of the build process in the form \*(L"built on: ...\*(R" if available or ``built on: date not available'' otherwise.
.SS "openssl_cflags"
.IX Subsection "openssl_cflags"
The compiler flags set for the compilation process in the form \*(L"compiler: ...\*(R" if available or \*(L"compiler: information not available\*(R" otherwise.
.SS "openssl_dir"
.IX Subsection "openssl_dir"
The \f(CW\*(C`OPENSSLDIR\*(C'\fR setting of the library build in the form \*(L"\s-1OPENSSLDIR: ...\*(R"\s0 if available or \*(L"\s-1OPENSSLDIR: N/A\*(R"\s0 otherwise.
.SS "openssl_platform"
.IX Subsection "openssl_platform"
The \*(L"Configure\*(R" target of the library build in the form \*(L"platform: ...\*(R" if available or \*(L"platform: information not available\*(R" otherwise.
.SS "openssl_version"
.IX Subsection "openssl_version"
The version of the OpenSSL library including the release date.
.SS "openssl_version_number"
.IX Subsection "openssl_version_number"
The value of the \f(CW\*(C`OPENSSL_VERSION_NUMBER\*(C'\fR macro as an unsigned integer. This value is more like a string as version information is packed into specific nibbles see \f(CW\*(C`crypto/opensslv.h\*(C'\fR in the OpenSSL source and <https://metacpan.org/pod/OpenSSL::Versions|OpenSSL::Versions> for explanation.
.SH "AUTHOR"
.IX Header "AUTHOR"
A. Sinan Unur \f(CW\*(C`<nanis@cpan.org>\*(C'\fR
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
Copyright (C) 2014 A. Sinan Unur.
.SH "LICENSE"
.IX Header "LICENSE"
This program is free software; you can redistribute it and/or modify it under the terms of Artistic License 2.0 <http://www.perlfoundation.org/artistic_license_2_0>.