[DOC]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45985 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ext/etc/etc.c

@@ -782,7 +782,9 @@ etc_confstr(VALUE obj, VALUE arg)
  * The return value is an integer or nil.
  * nil means indefinite limit.  (fpathconf() returns -1 but errno is not set.)
  *
- *   open("/") {|f| p f.pathconf(Etc::PC_NAME_MAX) } #=> 255
+ *   IO.pipe {|r, w|
+ *     p w.pathconf(Etc::PC_PIPE_BUF) #=> 4096
+ *   }
  *
  */
 static VALUE

test/etc/test_etc.rb

@@ -154,7 +154,7 @@ class TestEtc < Test::Unit::TestCase
     rescue ArgumentError
     end
     IO.pipe {|r, w|
-      val = r.pathconf(Etc::PC_PIPE_BUF)
+      val = w.pathconf(Etc::PC_PIPE_BUF)
       assert(val.nil? || val.kind_of?(Integer))
     }
   end