[cfe-dev] static keyword @ Function declarators...

[Umesh Kalappa]

Thanks Jean for the information :-)
~Umesh

On Wed, Sep 12, 2012 at 5:45 PM, Jean-Daniel Dupas
<devlists at shadowlab.org>wrote:

> I don't have code that use it right here but for example you may want to
> write a function that read a 32 bytes fixed size header.
>
> Whatever_t readHeader(char bytes[static 32]);
>
>
>
> Le 12 sept. 2012 à 12:11, Umesh Kalappa <umesh.kalappa0 at gmail.com> a
> écrit :
>
> Hi Richard,
>
> Thank you for the reply and I'm looking at real/piratical cases or need
> that  requires the prototype like   int func(int array[static 100]).
>
> ~Umesh
>
> On Wed, Sep 12, 2012 at 1:53 PM, Richard Smith <richard at metafoo.co.uk>wrote:
>
>> On Wed, Sep 12, 2012 at 12:16 AM, Umesh Kalappa <umesh.kalappa0 at gmail.com
>> > wrote:
>>
>>> Hi All ,
>>> Was going through the C99 standard @
>>> http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1124.pdf which states
>>> that the Function declarators as
>>>
>>> direct-declarator ( parameter-type-list )
>>> parameter-list: parameter-declaration
>>>                       parameter-list , parameter-declaration
>>> parameter-declaration: declaration-specifiers declarator
>>>                               declaration-specifiers abstract-declarator
>>>
>>> direct-declarator [ *static* type-qualifier-listopt
>>> assignment-expression ]
>>>
>>>
>>> where The optional type qualifiers and the keyword *static *shall
>>> appear only in a declaration of a function parameter with an array type,
>>> and then only in the outermost
>>> array type derivation and then for each call to the function, the value
>>> of the corresponding actual argument shall provide access to the first
>>> element of an array with at least as many elements as specified by the size
>>> expression.
>>>
>>> for example : int func(array[static int i =100) ;
>>>
>>> I'm trying to get  the test case for the above function prototype
>>> ??? Please someone can shed some lights here ??
>>>
>>
>> I'm not sure what you're looking for, but there are a few errors in your
>> example, which might be hindering you. Try:
>>
>>   int func(int array[static 100]);
>>
>> Clang has some test cases for this in test/Sema/static-array.c.
>>
>
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>
> -- Jean-Daniel
>
>
>
>
>
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