--On 18 July 2001 17:38 -0700 Jim Schram <[EMAIL PROTECTED]> wrote:
> At 4:13 PM -0700 2001/07/18, Keith Rollin wrote:
>> It seems to me that that would make coding somewhat more difficult.
>> You'd have stuff like the following all over the place:
>>
>> UInt32 dummy;
>> if (canAcceptNULL) // Initialized earlier.
>> exists = FtrGet (creator, number, NULL) == errNone;
>> else
>> exists = FtrGet (creator, number, &dummy) == errNone;
>
> Well, Paul's suggestion does make sense when all you need to know is the
> existence (or non-existence) of the feature, rather than the value of
> that feature if it exists. Passing NULL for the destination avoids that
> extra unused local variable. But Keith's point makes good sense w.r.t.
> running such code on older versions of the Palm OS which don't support
> passing NULL for the destination parameter. So...
>
> The best way to solve this problem is probably to wrap FtrGet with your
> own version of that routine which allows you to pass NULL if you want.
Wouldn't that defeat the point you were trying to make in the first
paragraph?
IM :-)
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