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126 .IX Title "OPENSSL_VERSION_NUMBER 3"
127 .TH OPENSSL_VERSION_NUMBER 3 "2012-04-19" "1.0.1a" "OpenSSL"
128 .\" For nroff, turn off justification. Always turn off hyphenation; it makes
129 .\" way too many mistakes in technical documents.
133 OPENSSL_VERSION_NUMBER, SSLeay, SSLeay_version \- get OpenSSL version number
135 .IX Header "SYNOPSIS"
137 \& #include <openssl/opensslv.h>
138 \& #define OPENSSL_VERSION_NUMBER 0xnnnnnnnnnL
140 \& #include <openssl/crypto.h>
141 \& long SSLeay(void);
142 \& const char *SSLeay_version(int t);
145 .IX Header "DESCRIPTION"
146 \&\s-1OPENSSL_VERSION_NUMBER\s0 is a numeric release version identifier:
149 \& MMNNFFPPS: major minor fix patch status
152 The status nibble has one of the values 0 for development, 1 to e for betas
153 1 to 14, and f for release.
158 \& 0x000906000 == 0.9.6 dev
159 \& 0x000906023 == 0.9.6b beta 3
160 \& 0x00090605f == 0.9.6e release
163 Versions prior to 0.9.3 have identifiers < 0x0930.
164 Versions between 0.9.3 and 0.9.5 had a version identifier with this
168 \& MMNNFFRBB major minor fix final beta/patch
174 \& 0x000904100 == 0.9.4 release
175 \& 0x000905000 == 0.9.5 dev
178 Version 0.9.5a had an interim interpretation that is like the current one,
179 except the patch level got the highest bit set, to keep continuity. The
180 number was therefore 0x0090581f.
182 For backward compatibility, \s-1SSLEAY_VERSION_NUMBER\s0 is also defined.
184 \&\fISSLeay()\fR returns this number. The return value can be compared to the
185 macro to make sure that the correct version of the library has been
186 loaded, especially when using DLLs on Windows systems.
188 \&\fISSLeay_version()\fR returns different strings depending on \fBt\fR:
189 .IP "\s-1SSLEAY_VERSION\s0" 4
190 .IX Item "SSLEAY_VERSION"
191 The text variant of the version number and the release date. For example,
192 \&\*(L"OpenSSL 0.9.5a 1 Apr 2000\*(R".
193 .IP "\s-1SSLEAY_CFLAGS\s0" 4
194 .IX Item "SSLEAY_CFLAGS"
195 The compiler flags set for the compilation process in the form
196 \&\*(L"compiler: ...\*(R" if available or \*(L"compiler: information not available\*(R"
198 .IP "\s-1SSLEAY_BUILT_ON\s0" 4
199 .IX Item "SSLEAY_BUILT_ON"
200 The date of the build process in the form \*(L"built on: ...\*(R" if available
201 or \*(L"built on: date not available\*(R" otherwise.
202 .IP "\s-1SSLEAY_PLATFORM\s0" 4
203 .IX Item "SSLEAY_PLATFORM"
204 The \*(L"Configure\*(R" target of the library build in the form \*(L"platform: ...\*(R"
205 if available or \*(L"platform: information not available\*(R" otherwise.
206 .IP "\s-1SSLEAY_DIR\s0" 4
207 .IX Item "SSLEAY_DIR"
208 The \*(L"\s-1OPENSSLDIR\s0\*(R" setting of the library build in the form \*(L"\s-1OPENSSLDIR:\s0 \*(R"..."\*(L"
209 if available or \*(R"\s-1OPENSSLDIR:\s0 N/A" otherwise.
211 For an unknown \fBt\fR, the text \*(L"not available\*(R" is returned.
213 .IX Header "RETURN VALUE"
216 .IX Header "SEE ALSO"
220 \&\fISSLeay()\fR and \s-1SSLEAY_VERSION_NUMBER\s0 are available in all versions of SSLeay and OpenSSL.
221 \&\s-1OPENSSL_VERSION_NUMBER\s0 is available in all versions of OpenSSL.
222 \&\fB\s-1SSLEAY_DIR\s0\fR was added in OpenSSL 0.9.7.