@section @code{vsnprintf}
@findex vsnprintf
-POSIX specification: @url{http://www.opengroup.org/susv3xsh/vsnprintf.html}
+POSIX specification: @url{http://www.opengroup.org/onlinepubs/9699919799/functions/vsnprintf.html}
Gnulib module: vsnprintf or vsnprintf-posix
@itemize
@item
This function is missing on some platforms:
-OSF/1 4.0, Solaris 2.5.1.
+IRIX 5.3, OSF/1 4.0, Solaris 2.5.1.
+@item
+This function overwrites memory even when a size argument of 1 is passed on some
+platforms:
+Linux libc5.
@end itemize
Portability problems fixed by Gnulib module @code{vsnprintf-posix}:
This function doesn't support the @code{'} flag on some platforms:
NetBSD 3.0, Cygwin 2006, mingw.
@item
+This function behaves incorrectly when a @samp{-} flag and a negative width
+are specified together, on some platforms:
+HP-UX 10.20.
+@item
printf @code{"%010f"} of NaN and Infinity yields an incorrect result (padded
with zeroes) on some platforms:
MacOS X 10.3, FreeBSD 6.0, NetBSD 3.0, AIX 5.2, IRIX 6.5, OSF/1 5.1, Solaris 10, Cygwin 2007, mingw.