159191Skris=pod 259191Skris 359191Skris=head1 NAME 459191Skris 5100928SnectarOPENSSL_VERSION_NUMBER, SSLeay, SSLeay_version - get OpenSSL version number 659191Skris 759191Skris=head1 SYNOPSIS 859191Skris 959191Skris #include <openssl/opensslv.h> 1059191Skris #define OPENSSL_VERSION_NUMBER 0xnnnnnnnnnL 1159191Skris 1259191Skris #include <openssl/crypto.h> 1359191Skris long SSLeay(void); 14100928Snectar const char *SSLeay_version(int t); 1559191Skris 1659191Skris=head1 DESCRIPTION 1759191Skris 1859191SkrisOPENSSL_VERSION_NUMBER is a numeric release version identifier: 1959191Skris 2068651Skris MMNNFFPPS: major minor fix patch status 2168651Skris 2268651SkrisThe status nibble has one of the values 0 for development, 1 to e for betas 2368651Skris1 to 14, and f for release. 2468651Skris 2568651Skrisfor example 2668651Skris 2768651Skris 0x000906000 == 0.9.6 dev 2868651Skris 0x000906023 == 0.9.6b beta 3 2968651Skris 0x00090605f == 0.9.6e release 3068651Skris 3168651SkrisVersions prior to 0.9.3 have identifiers E<lt> 0x0930. 3268651SkrisVersions between 0.9.3 and 0.9.5 had a version identifier with this 3368651Skrisinterpretation: 3468651Skris 3559191Skris MMNNFFRBB major minor fix final beta/patch 3659191Skris 3759191Skrisfor example 3859191Skris 3959191Skris 0x000904100 == 0.9.4 release 4059191Skris 0x000905000 == 0.9.5 dev 4159191Skris 4268651SkrisVersion 0.9.5a had an interim interpretation that is like the current one, 4368651Skrisexcept the patch level got the highest bit set, to keep continuity. The 4468651Skrisnumber was therefore 0x0090581f. 4568651Skris 4668651Skris 4759191SkrisFor backward compatibility, SSLEAY_VERSION_NUMBER is also defined. 4859191Skris 4959191SkrisSSLeay() returns this number. The return value can be compared to the 5059191Skrismacro to make sure that the correct version of the library has been 5159191Skrisloaded, especially when using DLLs on Windows systems. 5259191Skris 5368651SkrisSSLeay_version() returns different strings depending on B<t>: 5468651Skris 5568651Skris=over 4 5668651Skris 5768651Skris=item SSLEAY_VERSION 58100928Snectar 5968651SkrisThe text variant of the version number and the release date. For example, 6068651Skris"OpenSSL 0.9.5a 1 Apr 2000". 6168651Skris 6268651Skris=item SSLEAY_CFLAGS 6368651Skris 64100928SnectarThe compiler flags set for the compilation process in the form 65100928Snectar"compiler: ..." if available or "compiler: information not available" 66100928Snectarotherwise. 67100928Snectar 68100928Snectar=item SSLEAY_BUILT_ON 69100928Snectar 70100928SnectarThe date of the build process in the form "built on: ..." if available 71100928Snectaror "built on: date not available" otherwise. 72100928Snectar 7368651Skris=item SSLEAY_PLATFORM 7468651Skris 75100928SnectarThe "Configure" target of the library build in the form "platform: ..." 76100928Snectarif available or "platform: information not available" otherwise. 77100928Snectar 78109998Smarkm=item SSLEAY_DIR 79109998Smarkm 80109998SmarkmThe "OPENSSLDIR" setting of the library build in the form "OPENSSLDIR: "..."" 81109998Smarkmif available or "OPENSSLDIR: N/A" otherwise. 82109998Smarkm 8368651Skris=back 8468651Skris 8568651SkrisFor an unknown B<t>, the text "not available" is returned. 8668651Skris 8759191Skris=head1 RETURN VALUE 8859191Skris 8959191SkrisThe version number. 9059191Skris 9159191Skris=head1 SEE ALSO 9259191Skris 9359191SkrisL<crypto(3)|crypto(3)> 9459191Skris 9559191Skris=head1 HISTORY 9659191Skris 9759191SkrisSSLeay() and SSLEAY_VERSION_NUMBER are available in all versions of SSLeay and OpenSSL. 9859191SkrisOPENSSL_VERSION_NUMBER is available in all versions of OpenSSL. 99109998SmarkmB<SSLEAY_DIR> was added in OpenSSL 0.9.7. 10059191Skris 10159191Skris=cut 102