usa	2008-12-27 20:28:18 +0900 (Sat, 27 Dec 2008)

  New Revision: 21099

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=21099

  Log:
    * win32/win32.c (rb_w32_argv_size): if an argument is empty, it's size
      is 2, not 0, because it will be converted to "".

  Modified files:
    trunk/ChangeLog
    trunk/win32/win32.c

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 21098)
+++ ChangeLog	(revision 21099)
@@ -1,3 +1,8 @@
+Sat Dec 27 20:26:59 2008  NAKAMURA Usaku  <usa@r...>
+
+	* win32/win32.c (rb_w32_argv_size): if an argument is empty, it's size
+	  is 2, not 0, because it will be converted to "".
+
 Sat Dec 27 19:40:56 2008  Nobuyoshi Nakada  <nobu@r...>
 
 	* process.c (after_exec): needs to reset before restart timer
Index: win32/win32.c
===================================================================
--- win32/win32.c	(revision 21098)
+++ win32/win32.c	(revision 21099)
@@ -715,7 +715,7 @@
 	    }
 	}
 	len += p - *t + n + 1;
-	if (quote) len += 2;
+	if (p - *t == 0 || quote) len += 2;
     }
     return len;
 }

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