In my prefix file that is used to build precompiled headers, I include the
following after #import-ing all the framework headers. It replaces the standard
definition with a version that doesn't insert quotes around an unquoted string
literal.
#undef CFSTR//(cStr)
#ifdef __CONSTANT_CFSTRINGS__
#define CFSTR(cStr) ((CFStringRef)
__builtin___CFStringMakeConstantString(cStr))
#else
#define CFSTR(cStr) __CFStringMakeConstantString(cStr)
#endif
> On Jun 5, 2015, at 8:02 PM, Carl Hoefs <newsli...@autonomy.caltech.edu> 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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