* lib/pstore.rb: should return default value if name is not found.

[ruby-core:7304]

* lib/pstore.rb: should raise PStore::Error if not in transaction.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@9887 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,10 @@
+Sun Feb  5 14:22:15 2006  Hirokazu Yamamoto  <ocean@m2.ccsnet.ne.jp>
+
+	* lib/pstore.rb: should return default value if name is not found.
+	  [ruby-core:7304]
+
+	* lib/pstore.rb: should raise PStore::Error if not in transaction.
+
 Sat Feb  4 22:51:43 2006  Tanaka Akira  <akr@m17n.org>
 
 	* eval.c: apply the FreeBSD getcontext/setcontext workaround
@@ -13,9 +20,6 @@ Sat Feb  4 15:56:37 2006  Hirokazu Yamamoto  <ocean@m2.ccsnet.ne.jp>
 	* numeric.c (fix_to_s): (2**32).to_s(2) fails with exception where
 	  sizeof(int) == 4 < sizeof(long). [ruby-core:7300]
 
-	  I think the function name of rb_int2big is quite misleading.
-	  This should be "rb_long2big".
-
 Fri Feb  3 15:06:50 2006  Hirokazu Yamamoto  <ocean@m2.ccsnet.ne.jp>
 
 	* ext/syck/syck.c (syck_move_tokens): should reset p->cursor or etc

lib/pstore.rb

@@ -135,14 +135,15 @@ class PStore
   # raise PStore::Error if called at any other time.
   #
   def fetch(name, default=PStore::Error)
+    in_transaction
     unless @table.key? name
       if default==PStore::Error
 	raise PStore::Error, format("undefined root name `%s'", name)
       else
-	default
+	return default
       end
     end
-    self[name]
+    @table[name]
   end
   #
   # Stores an individual Ruby object or a hierarchy of Ruby objects in the data