Date: Mon, 17 Apr 2017 13:02:08 -0400 From: Rich Felker <dalias@...c.org> To: musl@...ts.openwall.com Subject: Re: superfluous space char in marco On Mon, Apr 17, 2017 at 06:28:58PM +0300, Alexander Monakov wrote: > On Mon, 17 Apr 2017, Rich Felker wrote: > > This is odd and looks like a gcc bug. Preprocessor macros definitions > > are sequences of PP tokens, not literal code strings, meaning that > > whitespace is irrelevant as long as the resulting sequence of PP > > tokens remains the same; it's a matching definition not a > > redefinition. > > No, according to C11 6.10.3 p1 presence of whitespace is significant (its > contents are not), and 184.108.40.206 example 6 corroborates that. GCC, Clang, > ICC and MSVC on Godbolt all agree with that. Thanks for clarifying! I had forgotten this detail. It probably makes sense to change it, then. Rich
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