Re: Using CFSTR() with const char * variable
Re: Using CFSTR() with const char * variable
- Subject: Re: Using CFSTR() with const char * variable
- From: Roland King <email@hidden>
- Date: Sat, 06 Jun 2015 11:12:27 +0800
CFSTR() documentation …
cStr
A constant C string (that is, text enclosed in double-quotation marks) from which the string is to be created.
so no. If you look to see how that macro expands you can see why.
> On 6 Jun 2015, at 11:02, Carl Hoefs <email@hidden> wrote:
>
> If I use CFSTR() in the following way:
> CFStringRef mystr = CFSTR( "This is a string" );
> there is no problem.
>
> However, if I use a variable instead of “string” Xcode flags this as an error:
> const char *mystring = "This is a string";
> CFStringRef mystr = CFSTR( mystring );
> ^ <— Expected ")"
>
> In CFString.h, CFSTR is defined as:
> #define CFSTR(cStr) __CFStringMakeConstantString("" cStr "")
>
> Is it possible to use CFSTR() with a const char * variable?
>
> Xcode 6.3.2
> -Carl
>
>
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