[PATCH] manual: fopen with the x flag does not follow ISO C11

[Florian Weimer]

* Paul Eggert:

> On 12/10/19 4:18 AM, Florian Weimer wrote:
>> I think it is worth clarifying that glibc's x specifier only results in
>> O_EXCL and nothing else.
>
> Although the glibc manual already says "x" means O_EXCL, I agree it'd
> be nice for it to also say that this behavior is compatible with ISO
> C. That is, the manual shouldn't imply that some standards require
> behavior other than O_EXCL.
>
> How about the attached patch?

I'm not sure about the “common practice” part.  This would need
checking.  I would just drop it.

> A different topic: shouldn't the manual refer to ISO C18 (the current
> version of the C standard) rather than to ISO C11 (the previous one)?

I do not have a copy of C18, but it seems the wording is different
there.  As Andreas said, the x specifier was first mentioned in C11.

Thanks,
Florian