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Re: [PATCH][BZ 17979][BZ 17721] Fix issues with sys/cdefs.h and uchar.h when using non-gcc compiler.


On Thu, 28 Jan 2016, Dwight Guth wrote:

> Thank you for drawing that to my attention. You are correct that this
> means that my original issue that caused me to create this part of the
> patch is in fact well defined. However, this still seems like an issue
> of correctness to me. I can't seem to find any explicit paragraph in
> the standard saying that, e.g. fprintf must be declared with the type:
> 
> int fprintf(FILE * restrict stream, const char * restrict format, ...);
> 
> but I assume that that is implied, otherwise we could give any of the
> functions in the library any signature as long as they broadly
> followed the requirements of their corresponding subclause, which
> seems wrong to me.

It's impossible for a valid program to distinguish what qualifiers were 
used for parameters in a function declaration in a header, thus it's not 
even a meaningful question.

-- 
Joseph S. Myers
joseph@codesourcery.com


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