SSLeay_version

Section: OpenSSL (3)
Updated: 2017-05-25
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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.

HISTORY

SSLEAY_DIR was added in OpenSSL 0.9.7.

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