2 @section @code{vwprintf}
5 POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9699919799/functions/vwprintf.html}
9 Portability problems fixed by Gnulib:
13 Portability problems not fixed by Gnulib:
16 The @code{%m} directive is not portable, use @code{%s} mapped to an
17 argument of @code{strerror(errno)} (or a version of @code{strerror_r})
20 This function is missing on some platforms:
21 NetBSD 3.0, OpenBSD 3.8, Minix 3.1.8, HP-UX 11.00, IRIX 6.5, Cygwin 1.7.
23 This function exists, but does not support wide arguments on some
24 platforms: Cygwin 1.5.x.
26 On Windows and 32-bit AIX platforms, @code{wchar_t} is a 16-bit type and therefore cannot
27 accommodate all Unicode characters.
29 When formatting an integer with grouping flag, this function inserts thousands
30 separators even in the "C" locale on some platforms:
33 On some platforms, this function does not set @code{errno} or the
34 stream error indicator on attempts to write to a read-only stream: