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gnulib/doc/posix-functions/fstatat.texi
Eric Blake 231bdaf619 maint: prefer 'file system' over 'filesystem'
* doc/posix-functions/fstatat.texi (fstatat): Likewise.
* doc/posix-functions/lstat.texi (lstat): Likewise.
* lib/file-has-acl.c (file_has_acl): Likewise.
* lib/fwriteerror.c [TEST]: Likewise.
* tests/test-areadlink.h (test_areadlink): Likewise.
* tests/test-areadlinkat-with-size.c (main): Likewise.
* tests/test-areadlinkat.c (main): Likewise.
* tests/test-canonicalize-lgpl.c (main): Likewise.
* tests/test-canonicalize.c (main): Likewise.
* tests/test-fstatat.c (main): Likewise.
* tests/test-linkat.c (main): Likewise.
* tests/test-lstat.h (test_lstat_func): Likewise.
* tests/test-mkdir.h (test_mkdir): Likewise.
* tests/test-readlink.h (test_readlink): Likewise.
* tests/test-remove.c (main): Likewise.
* tests/test-rename.h (test_rename): Likewise.
* tests/test-renameat.c (main): Likewise.
* tests/test-rmdir.h (test_rmdir_func): Likewise.
* tests/test-symlink.h (test_symlink): Likewise.
* tests/test-symlinkat.c (main): Likewise.
* tests/test-unlink.h (test_unlink_func): Likewise.
* tests/test-unlinkat.c (main): Likewise.

Signed-off-by: Eric Blake <ebb9@byu.net>
2009-10-09 19:17:17 -06:00

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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: openat
Portability problems fixed by Gnulib:
@itemize
@item
This function is missing on some platforms:
glibc 2.3.6, MacOS X 10.3, FreeBSD 6.0, NetBSD 3.0, OpenBSD 3.8, AIX
5.1, HP-UX 11, IRIX 6.5, OSF/1 5.1, Cygwin 1.5.x, mingw, Interix 3.5, BeOS.
But the replacement function is not safe to be used in libraries and is not multithread-safe.
@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 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. The fix is to use the @code{AC_SYS_LARGEFILE} macro.
@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