https://git.ruby-lang.org/ruby.git/commit/?id=c7dce12eb9

From c7dce12eb9e07f6ae35fc767760b862c10317e11 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@r...>
Date: Sun, 12 Sep 2021 00:44:18 +0900
Subject: [ruby/openssl] Suppress printf format warnings

* Add `printf` format attribute to `ossl_raise`.
* Fix a format specifier in `config_load_bio`.
* Use `ASSUME` for the unreachable condition.

https://github.com/ruby/openssl/commit/41da2955db
---
 ext/openssl/ossl.c         | 2 ++
 ext/openssl/ossl.h         | 2 +-
 ext/openssl/ossl_config.c  | 2 +-
 ext/openssl/ossl_pkey_ec.c | 6 ++++--
 4 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/ext/openssl/ossl.c b/ext/openssl/ossl.c
index cf070ef..91cb54b 100644
--- a/ext/openssl/ossl.c
+++ b/ext/openssl/ossl.c
@@ -265,6 +265,8 @@ ossl_to_der_if_possible(VALUE obj) https://github.com/ruby/ruby/blob/trunk/ext/openssl/ossl.c#L265
     return obj;
 }
 
+PRINTF_ARGS(static VALUE ossl_make_error(VALUE exc, const char *fmt, va_list args), 2, 0);
+
 /*
  * Errors
  */
diff --git a/ext/openssl/ossl.h b/ext/openssl/ossl.h
index 577eb6d..07d789e 100644
--- a/ext/openssl/ossl.h
+++ b/ext/openssl/ossl.h
@@ -120,7 +120,7 @@ int ossl_pem_passwd_cb(char *, int, int, void *); https://github.com/ruby/ruby/blob/trunk/ext/openssl/ossl.h#L120
 /*
  * ERRor messages
  */
-NORETURN(void ossl_raise(VALUE, const char *, ...));
+PRINTF_ARGS(NORETURN(void ossl_raise(VALUE, const char *, ...)), 2, 3);
 /* Clear OpenSSL error queue. If dOSSL is set, rb_warn() them. */
 void ossl_clear_error(void);
 
diff --git a/ext/openssl/ossl_config.c b/ext/openssl/ossl_config.c
index 21c327b..0bac027 100644
--- a/ext/openssl/ossl_config.c
+++ b/ext/openssl/ossl_config.c
@@ -60,7 +60,7 @@ config_load_bio(CONF *conf, BIO *bio) https://github.com/ruby/ruby/blob/trunk/ext/openssl/ossl_config.c#L60
         if (eline <= 0)
             ossl_raise(eConfigError, "wrong config format");
         else
-            ossl_raise(eConfigError, "error in line %d", eline);
+            ossl_raise(eConfigError, "error in line %ld", eline);
     }
     BIO_free(bio);
 
diff --git a/ext/openssl/ossl_pkey_ec.c b/ext/openssl/ossl_pkey_ec.c
index 9b461cb..26c627f 100644
--- a/ext/openssl/ossl_pkey_ec.c
+++ b/ext/openssl/ossl_pkey_ec.c
@@ -596,8 +596,10 @@ static VALUE ossl_ec_group_initialize(int argc, VALUE *argv, VALUE self) https://github.com/ruby/ruby/blob/trunk/ext/openssl/ossl_pkey_ec.c#L596
         ossl_raise(rb_eArgError, "wrong number of arguments");
     }
 
-    if (group == NULL)
-        ossl_raise(eEC_GROUP, "");
+#if !defined(LIKELY) && !defined(RB_LIKELY)
+#define LIKELY(x) (x)
+#endif
+    ASSUME(group);
     RTYPEDDATA_DATA(self) = group;
 
     return self;
-- 
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