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[ruby/openssl] ext/openssl/ossl.h: add helper macros for OpenSSL/LibreSSL versions

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Add following convenient macros:

 - OSSL_IS_LIBRESSL
 - OSSL_OPENSSL_PREREQ(maj, min, pat)
 - OSSL_LIBRESSL_PREREQ(maj, min, pat)

00abee791d
This commit is contained in:
Kazuki Yamaguchi 2021-09-27 13:32:03 +09:00
parent 1ea5325360
commit 32d49e93cf
1 changed files with 12 additions and 0 deletions
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12
ext/openssl/ossl.h
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@ -42,6 +42,18 @@
#include <openssl/evp.h> #include <openssl/evp.h>
#include <openssl/dh.h> #include <openssl/dh.h>
#ifndef LIBRESSL_VERSION_NUMBER
# define OSSL_IS_LIBRESSL 0
# define OSSL_OPENSSL_PREREQ(maj, min, pat) \
(OPENSSL_VERSION_NUMBER >= (maj << 28) | (min << 20) | (pat << 12))
# define OSSL_LIBRESSL_PREREQ(maj, min, pat) 0
#else
# define OSSL_IS_LIBRESSL 1
# define OSSL_OPENSSL_PREREQ(maj, min, pat) 0
# define OSSL_LIBRESSL_PREREQ(maj, min, pat) \
(LIBRESSL_VERSION_NUMBER >= (maj << 28) | (min << 20) | (pat << 12))
#endif
/* /*
* Common Module * Common Module
*/ */