[Bug 240398] -D_XOPEN_SOURCE=500 incorrectly warns about missing snprintf()

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=240398

Jilles Tjoelker <jilles at FreeBSD.org> changed:

           What    |Removed                     |Added
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                 CC|                            |jilles at FreeBSD.org

--- Comment #3 from Jilles Tjoelker <jilles at FreeBSD.org> ---
I agree with the snprintf/vsnprintf part of
https://bugs.freebsd.org/bugzilla/attachment.cgi?id=207271&action=diff except
that the test should be for __POSIX_VISIBLE >= 199506 instead of __XSI_VISIBLE
>= 500 since this is not an XSI extension.

The change to vfscanf/vscanf/vsscanf is redundant since __XSI_VISIBLE == 600
already implies C99.

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