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Re: static CFSTR in C

On Wed, 27 Aug 2003 09:59:23 -0700 Marshall Clow <email@hidden> wrote:
>
> Marc Poirier <email@hidden> wrote:
>
>> Hi. I was wondering, is there a way to use CFSTR for a global
>> variable in C? Does something like this (outside of a function):
>> static const CFStringRef blah = CFSTR("blah");
>> results in this error:
>> error: initializer element is not constant
>
> Do this instead:
>
> CFStringRef GetBlah () {
> static const CFStringRef blah = CFSTR("blah");
> return blah;
> }

Hi Marshall,

The question was about C and what you suggest is illegal in C.
As illegal as using it outside a function. In C that should be:

CFStringRef GetBlah (void) {
static const CFStringRef blah = NULL;
if (!blah) blah = CFSTR("blah");
return blah;
}

Mike
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