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135 .IX Title "OPENSSL_VERSION_NUMBER 3"
136 .TH OPENSSL_VERSION_NUMBER 3 "2015-03-19" "1.0.1m" "OpenSSL"
137 .\" For nroff, turn off justification. Always turn off hyphenation; it makes
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142 OPENSSL_VERSION_NUMBER, SSLeay, SSLeay_version \- get OpenSSL version number
144 .IX Header "SYNOPSIS"
146 \& #include <openssl/opensslv.h>
147 \& #define OPENSSL_VERSION_NUMBER 0xnnnnnnnnnL
149 \& #include <openssl/crypto.h>
150 \& long SSLeay(void);
151 \& const char *SSLeay_version(int t);
154 .IX Header "DESCRIPTION"
155 \&\s-1OPENSSL_VERSION_NUMBER\s0 is a numeric release version identifier:
158 \& MMNNFFPPS: major minor fix patch status
161 The status nibble has one of the values 0 for development, 1 to e for betas
162 1 to 14, and f for release.
167 \& 0x000906000 == 0.9.6 dev
168 \& 0x000906023 == 0.9.6b beta 3
169 \& 0x00090605f == 0.9.6e release
172 Versions prior to 0.9.3 have identifiers < 0x0930.
173 Versions between 0.9.3 and 0.9.5 had a version identifier with this
177 \& MMNNFFRBB major minor fix final beta/patch
183 \& 0x000904100 == 0.9.4 release
184 \& 0x000905000 == 0.9.5 dev
187 Version 0.9.5a had an interim interpretation that is like the current one,
188 except the patch level got the highest bit set, to keep continuity. The
189 number was therefore 0x0090581f.
191 For backward compatibility, \s-1SSLEAY_VERSION_NUMBER\s0 is also defined.
193 \&\fISSLeay()\fR returns this number. The return value can be compared to the
194 macro to make sure that the correct version of the library has been
195 loaded, especially when using DLLs on Windows systems.
197 \&\fISSLeay_version()\fR returns different strings depending on \fBt\fR:
198 .IP "\s-1SSLEAY_VERSION\s0" 4
199 .IX Item "SSLEAY_VERSION"
200 The text variant of the version number and the release date. For example,
201 \&\*(L"OpenSSL 0.9.5a 1 Apr 2000\*(R".
202 .IP "\s-1SSLEAY_CFLAGS\s0" 4
203 .IX Item "SSLEAY_CFLAGS"
204 The compiler flags set for the compilation process in the form
205 \&\*(L"compiler: ...\*(R" if available or \*(L"compiler: information not available\*(R"
207 .IP "\s-1SSLEAY_BUILT_ON\s0" 4
208 .IX Item "SSLEAY_BUILT_ON"
209 The date of the build process in the form \*(L"built on: ...\*(R" if available
210 or \*(L"built on: date not available\*(R" otherwise.
211 .IP "\s-1SSLEAY_PLATFORM\s0" 4
212 .IX Item "SSLEAY_PLATFORM"
213 The \*(L"Configure\*(R" target of the library build in the form \*(L"platform: ...\*(R"
214 if available or \*(L"platform: information not available\*(R" otherwise.
215 .IP "\s-1SSLEAY_DIR\s0" 4
216 .IX Item "SSLEAY_DIR"
217 The \*(L"\s-1OPENSSLDIR\*(R"\s0 setting of the library build in the form \*(L"\s-1OPENSSLDIR: \*(R"..."\*(L"\s0
218 if available or \*(R"\s-1OPENSSLDIR: N/A"\s0 otherwise.
220 For an unknown \fBt\fR, the text \*(L"not available\*(R" is returned.
222 .IX Header "RETURN VALUE"
225 .IX Header "SEE ALSO"
229 \&\fISSLeay()\fR and \s-1SSLEAY_VERSION_NUMBER\s0 are available in all versions of SSLeay and OpenSSL.
230 \&\s-1OPENSSL_VERSION_NUMBER\s0 is available in all versions of OpenSSL.
231 \&\fB\s-1SSLEAY_DIR\s0\fR was added in OpenSSL 0.9.7.