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Re: disabling warn_unused_result attribute with FORTIFY_SOURCE?



Hi,
Ulrich Drepper napsal(a):
> Matthew Miller wrote:
>> My google-fu is failing me; I can't find any documentation on this.
>> Apparently, building with -Wp,-D_FORTIFY_SOURCE=2 results in the
>> warn_unused_result attribute being added to every (? or maybe just many)
> 
> Only cases without valid cases where ignoring the value might be correct.
> 
>> fuction. In turn, this makes many perfectly good programs spit out hundreds
>> of warnings. I'm not sure this is necessarily good.
> 
> Fix the code.  All those warnings are problems.
How about fwrite ()?  What's wrong with just using ferror () before
closing the file?

Thanks for your time,
	Mirek


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