* io.c (argf_init): initial value of $. should be 0.

see [ruby-dev:36937].


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@19964 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Mon Oct 27 15:55:04 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* io.c (argf_init): initial value of $. should be 0.
+	  see [ruby-dev:36937].
+
 Mon Oct 27 15:38:38 2008  Yuki Sonoda (Yugui)  <yugui@yugui.jp>
 
 	* test/minitest/test_mini_test.rb

io.c

@@ -5821,7 +5821,7 @@ argf_init(struct argf *p, VALUE v)
 {
     p->filename = Qnil;
     p->current_file = Qnil;
-    p->lineno = Qnil;
+    p->lineno = INT2FIX(0);
     p->argv = v;
 }
 

test/ruby/test_io.rb

@@ -812,7 +812,7 @@ class TestIO < Test::Unit::TestCase
         f.gets; p $.
       end
     SRC
-      assert_equal("nil,1,2,2,1001,1001,1001,1,2,3,3", f.read.chomp.gsub("\n", ","))
+      assert_equal("0,1,2,2,1001,1001,1001,1,2,3,3", f.read.chomp.gsub("\n", ","))
     end
 
     pipe(proc do |w|