/* Test of file timestamp modification functions.
- Copyright (C) 2009 Free Software Foundation, Inc.
+ Copyright (C) 2009-2013 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
-/* This file assumes that BASE and ASSERT are already defined. */
+#include "test-utimens-common.h"
-#ifndef GL_TEST_UTIMENS
-# define GL_TEST_UTIMENS
-
-#include <fcntl.h>
-#include <errno.h>
-#include <string.h>
-#include <unistd.h>
-
-#include "stat-time.h"
-#include "timespec.h"
-#include "utimecmp.h"
-
-enum {
- BILLION = 1000 * 1000 * 1000,
-
- Y2K = 946684800, /* Jan 1, 2000, in seconds since epoch. */
-
- /* Bogus positive and negative tv_nsec values closest to valid
- range, but without colliding with UTIME_NOW or UTIME_OMIT. */
- UTIME_BOGUS_POS = BILLION + ((UTIME_NOW == BILLION || UTIME_OMIT == BILLION)
- ? (1 + (UTIME_NOW == BILLION + 1)
- + (UTIME_OMIT == BILLION + 1))
- : 0),
- UTIME_BOGUS_NEG = -1 - ((UTIME_NOW == -1 || UTIME_OMIT == -1)
- ? (1 + (UTIME_NOW == -2) + (UTIME_OMIT == -2))
- : 0)
-};
-
-#endif /* GL_TEST_UTIMENS */
-
-/* This function is designed to test both lutimens(a,b) and
+/* This file is designed to test both lutimens(a,b) and
utimensat(AT_FDCWD,a,b,AT_SYMLINK_NOFOLLOW). FUNC is the function
- to test. If PRINT, warn before skipping tests with status 77. */
+ to test. Assumes that BASE and ASSERT are already defined. If
+ PRINT, warn before skipping tests with status 77. */
static int
test_lutimens (int (*func) (char const *, struct timespec const *), bool print)
{
int result;
+ int saved_errno;
struct stat st1;
struct stat st2;
bool atime_supported = true;
- if (symlink ("nowhere", BASE "link"))
+ /* Non-symlinks should be handled just like utimens. */
+ errno = 0;
+ ASSERT (func ("no_such", NULL) == -1);
+ ASSERT (errno == ENOENT);
+ errno = 0;
+ ASSERT (func ("no_such/", NULL) == -1);
+ ASSERT (errno == ENOENT || errno == ENOTDIR);
+ errno = 0;
+ ASSERT (func ("", NULL) == -1);
+ ASSERT (errno == ENOENT);
+ ASSERT (close (creat (BASE "file", 0600)) == 0);
+ ASSERT (stat (BASE "file", &st1) == 0);
+ ASSERT (st1.st_atime != Y2K);
+ ASSERT (st1.st_mtime != Y2K);
+ {
+ struct timespec ts[2] = { { Y2K, 0 }, { Y2K, 0 } };
+ errno = 0;
+ ASSERT (func (BASE "file/", ts) == -1);
+ ASSERT (errno == ENOTDIR);
+ ASSERT (stat (BASE "file", &st2) == 0);
+ ASSERT (st1.st_atime == st2.st_atime);
+ ASSERT (st1.st_mtime == st2.st_mtime);
+ }
+ {
+ struct timespec ts[2] = { { Y2K, 0 }, { Y2K, 0 } };
+ nap ();
+ ASSERT (func (BASE "file", ts) == 0);
+ }
+ ASSERT (stat (BASE "file", &st2) == 0);
+ ASSERT (st2.st_atime == Y2K);
+ ASSERT (st2.st_mtime == Y2K);
+ if (check_ctime)
+ ASSERT (ctime_compare (&st1, &st2) < 0);
+
+ /* Play with symlink timestamps. */
+ if (symlink (BASE "file", BASE "link"))
{
+ ASSERT (unlink (BASE "file") == 0);
if (print)
fputs ("skipping test: symlinks not supported on this file system\n",
stderr);
}
errno = 0;
result = func (BASE "link", NULL);
- if (result == -1 && errno == ENOSYS)
+ saved_errno = errno;
+ /* Make sure we did not reference through link by accident. */
+ ASSERT (stat (BASE "file", &st1) == 0);
+ ASSERT (st1.st_atime == Y2K);
+ ASSERT (st1.st_mtime == Y2K);
+ ASSERT (lstat (BASE "link", &st1) == 0);
+ ASSERT (st1.st_atime != Y2K);
+ ASSERT (st1.st_mtime != Y2K);
+ ASSERT (unlink (BASE "file") == 0);
+ if (result == -1 && saved_errno == ENOSYS)
{
ASSERT (unlink (BASE "link") == 0);
if (print)
}
ASSERT (!result);
ASSERT (lstat (BASE "link", &st1) == 0);
-#if HAVE_USLEEP
- /* On Cygwin, the mere act of lstat changes symlink atime, even
- though POSIX says that only readlink is allowed to do that.
- Sleeping for one millisecond is enough to expose this. Platforms
- without usleep either don't have symlinks, or are immune. */
- usleep (1000);
-#endif
+ /* On cygwin, lstat() changes atime of symlinks, so that lutimens
+ can only effectively modify mtime. */
+ nap ();
ASSERT (lstat (BASE "link", &st2) == 0);
if (st1.st_atime != st2.st_atime
|| get_stat_atime_ns (&st1) != get_stat_atime_ns (&st2))
- atime_supported = false;
+ atime_supported = false;
+ ASSERT (st1.st_ctime == st2.st_ctime);
+ ASSERT (get_stat_ctime_ns (&st1) == get_stat_ctime_ns (&st2));
/* Invalid arguments. */
- errno = 0;
- ASSERT (func ("no_such", NULL) == -1);
- ASSERT (errno == ENOENT);
- errno = 0;
- ASSERT (func ("", NULL) == -1);
- ASSERT (errno == ENOENT);
{
struct timespec ts[2] = { { Y2K, UTIME_BOGUS_POS }, { Y2K, 0 } };
errno = 0;
/* Set both times. */
{
struct timespec ts[2] = { { Y2K, BILLION / 2 - 1 }, { Y2K, BILLION - 1 } };
+ nap ();
ASSERT (func (BASE "link", ts) == 0);
ASSERT (lstat (BASE "link", &st2) == 0);
if (atime_supported)
ASSERT (st2.st_mtime == Y2K);
ASSERT (0 <= get_stat_mtime_ns (&st2));
ASSERT (get_stat_mtime_ns (&st2) < BILLION);
+ if (check_ctime)
+ ASSERT (ctime_compare (&st1, &st2) < 0);
}
/* Play with UTIME_OMIT, UTIME_NOW. */
{
+ struct stat st3;
struct timespec ts[2] = { { BILLION, UTIME_OMIT }, { 0, UTIME_NOW } };
+ nap ();
+ ASSERT (func (BASE "link", ts) == 0);
+ ASSERT (lstat (BASE "link", &st3) == 0);
+ if (atime_supported)
+ {
+ ASSERT (st3.st_atime == Y2K);
+ ASSERT (0 <= get_stat_atime_ns (&st3));
+ ASSERT (get_stat_atime_ns (&st3) < BILLION / 2);
+ }
+ ASSERT (utimecmp (BASE "link", &st1, &st3, 0) <= 0);
+ if (check_ctime)
+ ASSERT (ctime_compare (&st2, &st3) < 0);
+ nap ();
+ ts[0].tv_nsec = 0;
+ ts[1].tv_nsec = UTIME_OMIT;
ASSERT (func (BASE "link", ts) == 0);
ASSERT (lstat (BASE "link", &st2) == 0);
if (atime_supported)
{
- ASSERT (st2.st_atime == Y2K);
- ASSERT (0 <= get_stat_atime_ns (&st2));
- ASSERT (get_stat_atime_ns (&st2) < BILLION / 2);
+ ASSERT (st2.st_atime == BILLION);
+ ASSERT (get_stat_atime_ns (&st2) == 0);
}
- ASSERT (utimecmp (BASE "link", &st1, &st2, 0) <= 0);
+ ASSERT (st3.st_mtime == st2.st_mtime);
+ ASSERT (get_stat_mtime_ns (&st3) == get_stat_mtime_ns (&st2));
+ if (check_ctime)
+ ASSERT (ctime_compare (&st3, &st2) < 0);
}
+ /* Symlink to directory. */
+ ASSERT (unlink (BASE "link") == 0);
+ ASSERT (symlink (BASE "dir", BASE "link") == 0);
+ ASSERT (mkdir (BASE "dir", 0700) == 0);
+ {
+ struct timespec ts[2] = { { Y2K, 0 }, { Y2K, 0 } };
+ ASSERT (func (BASE "link/", ts) == 0);
+ }
+ /* On cygwin 1.5, stat() changes atime of directories, so only check
+ mtime. */
+ ASSERT (stat (BASE "dir", &st1) == 0);
+ ASSERT (st1.st_mtime == Y2K);
+ ASSERT (lstat (BASE "link", &st1) == 0);
+ ASSERT (st1.st_atime != Y2K);
+ ASSERT (st1.st_mtime != Y2K);
+ ASSERT (func (BASE "link", NULL) == 0);
+ ASSERT (stat (BASE "dir", &st1) == 0);
+ ASSERT (st1.st_mtime == Y2K);
+ ASSERT (lstat (BASE "link", &st1) == 0);
+ ASSERT (st1.st_atime != Y2K);
+ ASSERT (st1.st_mtime != Y2K);
+
/* Cleanup. */
+ ASSERT (rmdir (BASE "dir") == 0);
ASSERT (unlink (BASE "link") == 0);
return 0;
}
projects / gnulib.git / blobdiff