Path: utzoo!attcan!uunet!tank!ncar!boulder!stan!garya
From: garya@stan.com (Gary Aitken)
Newsgroups: comp.windows.x
Subject: Re: Xtk "unsigned int" typedefs considered harmful
Message-ID: <257@stan.com>
Date: 14 Sep 88 19:58:44 GMT
References: <6289@batcomputer.tn.cornell.edu>
Distribution: comp
Organization: Solbourne Computer Inc., Longmont, Co.
Lines: 9


>>  Isn't it worth limiting Dimensions to two billion or so, by specifying them
>>  as "int" instead of "unsigned int"? I would presume that "Cardinal", etc.,
>>  are typedef'd because the programmer is not supposed to need to know
>>  what they really are, when in fact that ignorance leads to big trouble.

I agree.  We ran into the same problem when implementing a C++ set of
widgets.  The widget sizing procedures can check for valid sizes to screen
out errors due to negative numbers.