[cfe-dev] [PATCH] Libc++ Windows fixes (Attention all libc++ ports!!!)

[John McCall]

On Sep 27, 2011, at 10:35 AM, Matthieu Monrocq wrote:
> 2011/9/26 Thomas Gamper <icicle at mail.cg.tuwien.ac.at>
> For whatever reason Microsoft is prefixing many standard POSIX
> functions with an underscore:
> 
> http://msdn.microsoft.com/en-us/library/ybk95axf%28v=vs.80%29.aspx
> 
> int _sprintf_l(
>    char *buffer,
>    const char *format,
>    locale_t locale [,
>       argument] ...
> );
> 
> I hope this helps,
> TOM
> 
> Probably because such identifiers (leading underscore) are reserved for the implementation at global scope.

No, identifiers are only reserved if they start with two underscores (__foo) or an underscore and a capital letter (_Foo).

> The POSIX Standard "pollutes" the global namespace with identifiers that fall within userland therefore, while MSVC does not :)

Only in the same sense that the C standard "pollutes" the global namespace with memcpy and malloc.

Anyway, doesn't really matter;  it's what they do.

John.
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