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Re: gcc warnings

From: Andreas Höschler
Subject: Re: gcc warnings
Date: Wed, 17 Aug 2011 15:41:59 +0200

Hi all,

>> I am cross-building on GNUstep/Solaris and MacOSX. When I build code like 
>>    NSString *message = @"some string"
>>    [NSException raise:NSInternalInconsistencyException format:message];
>> on MacOSX 10.6 using GNUstep make, gcc gives the following warning
>>      SOEditingContext.m:3574: warning: format not a string literal and no 
>> format arguments
>> Any idea how to get rid of that one?
>   [NSException raise:NSInternalInconsistencyException format:  @"%@", 
> message];
> The warning is because it can't do a compile time check of message to see if 
> it's a valid format string ... you need to use a string literal as the format 
> string.

Thanks for your feedback! I know that this prevents the warning, but I can't do 
that. The message is calculated by some method and then returned as a string. I 
then need to raise the exception with the readily build string. If NSException 
had a +[raise:string:] method I would use that, but it hasn't! :-(

I have the same problem with NSLog(). I am again building the message somewhere 
and get it as a NSString. I then simply want to log it out and get the above 

   NSLog([localException description]);   

That's simply annoying! :-( Isn't there some compiler switch that could be used 
to suppress these kind of warnings?

Thanks a lot,


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