* ext/dbm/dbm.c: parenthesize macro arguments.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@30802 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Sun Feb  6 11:29:23 2011  Tanaka Akira  <akr@fsij.org>
+
+	* ext/dbm/dbm.c: parenthesize macro arguments.
+
 Sat Feb  5 22:01:59 2011  KOSAKI Motohiro  <kosaki.motohiro@gmail.com>
 
 	* lib/test/unit/assertions.rb (Test::Unit::Assertions#assert):

ext/dbm/dbm.c

@@ -37,13 +37,13 @@ closed_dbm(void)
 }
 
 #define GetDBM(obj, dbmp) {\
-    Data_Get_Struct(obj, struct dbmdata, dbmp);\
-    if (dbmp == 0) closed_dbm();\
-    if (dbmp->di_dbm == 0) closed_dbm();\
+    Data_Get_Struct((obj), struct dbmdata, (dbmp));\
+    if ((dbmp) == 0) closed_dbm();\
+    if ((dbmp)->di_dbm == 0) closed_dbm();\
 }
 
 #define GetDBM2(obj, data, dbm) {\
-    GetDBM(obj, data);\
+    GetDBM((obj), (data));\
     (dbm) = dbmp->di_dbm;\
 }