SSLeay_version
Section: OpenSSL (3)
Updated: 2019-02-26
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NAME
SSLeay_version - retrieve version/build information about OpenSSL library
SYNOPSIS
#include <openssl/crypto.h>
const char *SSLeay_version(int type);
DESCRIPTION
SSLeay_version() returns a pointer to a constant string describing the
version of the OpenSSL library or giving information about the library
build.
The following type values are supported:
- SSLEAY_VERSION
-
The version of the OpenSSL library including the release date.
- SSLEAY_CFLAGS
-
The compiler flags set for the compilation process in the form
``compiler: ...'' if available or ``compiler: information not available''
otherwise.
- SSLEAY_BUILT_ON
-
The date of the build process in the form ``built on: ...'' if available
or ``built on: date not available'' otherwise.
- SSLEAY_PLATFORM
-
The ``Configure'' target of the library build in the form ``platform: ...''
if available or ``platform: information not available'' otherwise.
- SSLEAY_DIR
-
The ``OPENSSLDIR'' setting of the library build in the form ``OPENSSLDIR: ''..."``
if available or ''OPENSSLDIR: N/A" otherwise.
RETURN VALUES
The following return values can occur:
- "not available"
-
An invalid value for type was given.
- Pointer to constant string
-
Textual description.
SEE ALSO
crypto(3)
HISTORY
SSLEAY_DIR was added in OpenSSL 0.9.7.