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From "Geir Magnusson Jr." <g...@pobox.com>
Subject Re: [vmi] Retrieving system properties (was: Re: [classlib][luni] update for bootstrapClassPath causes regression on DRL VM)
Date Thu, 14 Dec 2006 08:41:10 GMT


Gregory Shimansky wrote:
> Tim Ellison wrote:
>> Gregory Shimansky wrote:
>>> Tim Ellison wrote:
>>>> Maybe we do, i.e. where there is no value "-Dfoobar".  So perhaps we
>>>> need to say that GetSystemProperty returns VMI_ERROR_NONE and sets the
>>>> the *valuePtr to NULL if there is no value; and returns a
>>>> VMI_ERROR_NOT_FOUND if the property is undefined.
>>> Now I am confused. What is the difference between a property which has
>>> no value and an undefined property?
>>
>> Sorry, I meant a property whose value is NULL.  So the three cases are:
>>
>> 1) key = "foo", value = "bar"
>> 2) key = "foo", value = NULL
>> 3) no key called "foo"
>>
>> If (2) is disallowed then we should document that in SetSystemProperty().
> 
> I would prefer to have (2) to be illegal. Can we document this please?

Why would 2 be illegal?

geir

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