poll tests: Avoid test failure on BSD and Solaris systems.
[gnulib.git] / doc / posix-functions / vfscanf.texi
blob13d65a55e50de2885ac3f598013d6c065b83748b
1 @node vfscanf
2 @section @code{vfscanf}
3 @findex vfscanf
5 POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9699919799/functions/vfscanf.html}
7 LSB specification:@* @url{https://refspecs.linuxbase.org/LSB_5.0.0/LSB-Core-generic/LSB-Core-generic/baselib-vfscanf.html}
9 Gnulib module: vfscanf, nonblocking
11 Portability problems fixed by Gnulib module @code{vfscanf}, together with module @code{nonblocking}:
12 @itemize
13 @item
14 When reading from a non-blocking pipe whose buffer is empty, this function
15 fails with @code{errno} being set to @code{EINVAL} instead of @code{EAGAIN} on
16 some platforms:
17 mingw, MSVC 14.
18 @end itemize
20 Portability problems not fixed by Gnulib:
21 @itemize
22 @item
23 This function is missing on some platforms:
24 Minix 3.1.8, IRIX 6.5.
25 @item
26 On Windows platforms (excluding Cygwin), this function does not set @code{errno}
27 upon failure.
28 @item
29 On Windows, this function doesn't support the @code{hh}, @code{ll}, @code{j},
30 @code{t}, @code{z} size specifiers.
31 @end itemize