vfprintf typing problem

[David Miller]

From: Roland McGrath <roland@hack.frob.com>
Date: Wed, 28 Mar 2012 15:25:24 -0700 (PDT)

> In the C standard (C99 and C11), I don't see anything that says anything
> one way or another about the valid range of field width specifiers when
> they appear directly in the format string.

See the comments in the glibc bug #5424 fixed by bug22.c, it
references:

http://www.opengroup.org/platform/resolutions/bwg98-006.html

and also recent POSIX drafts.