objc warning: "discard qualifiers from pointer target type"

When compiling this:

char *str = [[NSString stringWithFormat:@"%i days and %i hours", days, hours] UTF8String];

I get this warning:

initialization discards qualifiers from pointer target type

How do I get rid of it?


The qualifier you’re missing is const. -UTF8String returns a const char *, so str should also be declared const char *.

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