* ext/openssl/ossl_engine.c: parenthesize macro arguments.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@30946 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Wed Feb 23 22:05:13 2011  Tanaka Akira  <akr@fsij.org>
+
+	* ext/openssl/ossl_engine.c: parenthesize macro arguments.
+
 Tue Feb 22 23:15:17 2011  Shota Fukumori (sora_h) <sorah@tubusu.net>
 
 	* lib/test/unit.rb: Fix --ruby option doesn't effect.

ext/openssl/ossl_engine.c

@@ -13,20 +13,20 @@
 #if defined(OSSL_ENGINE_ENABLED)
 
 #define WrapEngine(klass, obj, engine) do { \
-    if (!engine) { \
+    if (!(engine)) { \
 	ossl_raise(rb_eRuntimeError, "ENGINE wasn't initialized."); \
     } \
-    obj = Data_Wrap_Struct(klass, 0, ENGINE_free, engine); \
+    (obj) = Data_Wrap_Struct((klass), 0, ENGINE_free, (engine)); \
 } while(0)
 #define GetEngine(obj, engine) do { \
-    Data_Get_Struct(obj, ENGINE, engine); \
-    if (!engine) { \
+    Data_Get_Struct((obj), ENGINE, (engine)); \
+    if (!(engine)) { \
         ossl_raise(rb_eRuntimeError, "ENGINE wasn't initialized."); \
     } \
 } while (0)
 #define SafeGetEngine(obj, engine) do { \
-    OSSL_Check_Kind(obj, cEngine); \
-    GetPKCS7(obj, engine); \
+    OSSL_Check_Kind((obj), cEngine); \
+    GetPKCS7((obj), (engine)); \
 } while (0)
 
 /*