* io/console/console.c (winsize_row): should return actual screen

size, not buffer size.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@28556 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Tue Jul  6 21:45:34 2010  NAKAMURA Usaku  <usa@ruby-lang.org>
+
+	* io/console/console.c (winsize_row): should return actual screen
+	  size, not buffer size.
+
 Tue Jul  6 08:35:58 2010  Aaron Patterson <aaron@tenderlovemaking.com>
 
 	* ext/dl/lib/dl/import.rb (handler): add a more helpful error message

ext/io/console/console.c

@@ -356,7 +356,7 @@ typedef CONSOLE_SCREEN_BUFFER_INFO rb_console_size_t;
 #define getwinsize(fd, buf) ( \
     GetConsoleScreenBufferInfo((HANDLE)rb_w32_get_osfhandle(fd), (buf)) || \
     SET_LAST_ERROR)
-#define winsize_row(buf) (buf)->dwSize.Y
+#define winsize_row(buf) ((buf)->srWindow.Bottom - (buf)->srWindow.Top + 1)
 #define winsize_col(buf) (buf)->dwSize.X
 #endif