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@node fstatat
@section @code{fstatat}
@findex fstatat
POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/fstatat.html}
Gnulib module: fstatat
Portability problems fixed by Gnulib:
@itemize
@item
This function is missing on some platforms:
glibc 2.3.6, MacOS X 10.5, FreeBSD 6.0, NetBSD 5.0, OpenBSD 3.8, Minix 3.1.8,
AIX 5.1, HP-UX 11, IRIX 6.5, OSF/1 5.1, Cygwin 1.5.x, mingw, MSVC 9, Interix 3.5, BeOS.
But the replacement function is not safe to be used in libraries and is not multithread-safe.
@item
On platforms where @code{off_t} is a 32-bit type, @code{fstatat} may
not correctly report the size of files or block devices larger than 2
GB. (Cf. @code{AC_SYS_LARGEFILE}.)
@item
On some platforms, @code{fstatat(fd,"file/",buf,flag)} succeeds instead of
failing with @code{ENOTDIR}.
Solaris 9.
@item
For symlinks, when the argument ends in a slash, some platforms don't
dereference the argument:
Solaris 9.
@end itemize
Portability problems not fixed by Gnulib:
@itemize
@item
On Windows platforms (excluding Cygwin), @code{st_ino} is always 0.
@item
On some file systems, @code{st_size} contains bogus information for
symlinks; use the gnulib module areadlink-with-size for a better way
to get symlink contents.
@end itemize
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