options.py: don't die if tty width is set to 0.

This sometimes happens if weird people, such as myself, open a pty without
setting the width field correctly.
This commit is contained in:
Avery Pennarun 2011-01-22 16:42:32 -08:00
parent d4c9d31068
commit 415be935d4

View File

@ -60,7 +60,7 @@ def _tty_width():
except (IOError, ImportError):
return _atoi(os.environ.get('WIDTH')) or 70
(ysize,xsize,ypix,xpix) = struct.unpack('HHHH', s)
return xsize
return xsize or 70
class Options: