Adding upstream version 8.32.upstream/8.32upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 230 insertions, 0 deletions

diff --git a/gnulib-tests/test-lutimens.h b/gnulib-tests/test-lutimens.h
new file mode 100644
index 0000000..90aa514
--- /dev/null
+++ b/gnulib-tests/test-lutimens.h
@@ -0,0 +1,230 @@
+/* Test of file timestamp modification functions.
+   Copyright (C) 2009-2020 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 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
+
+#include "test-utimens-common.h"
+
+/* 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.  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;
+
+  /* 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];
+    ts[0].tv_sec = Y2K;
+    ts[0].tv_nsec = 0;
+    ts[1] = ts[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];
+    ts[0].tv_sec = Y2K;
+    ts[0].tv_nsec = 0;
+    ts[1] = ts[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);
+      return 77;
+    }
+  errno = 0;
+  result = func (BASE "link", NULL);
+  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)
+        fputs ("skipping test: "
+               "setting symlink time not supported on this file system\n",
+               stderr);
+      return 77;
+    }
+  ASSERT (!result);
+  ASSERT (lstat (BASE "link", &st1) == 0);
+  /* 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;
+  ASSERT (st1.st_ctime == st2.st_ctime);
+  ASSERT (get_stat_ctime_ns (&st1) == get_stat_ctime_ns (&st2));
+
+  /* Invalid arguments.  */
+  {
+    struct timespec ts[2];
+    ts[0].tv_sec = Y2K;
+    ts[0].tv_nsec = UTIME_BOGUS_POS;
+    ts[1].tv_sec = Y2K;
+    ts[1].tv_nsec = 0;
+    errno = 0;
+    ASSERT (func (BASE "link", ts) == -1);
+    ASSERT (errno == EINVAL);
+  }
+  {
+    struct timespec ts[2];
+    ts[0].tv_sec = Y2K;
+    ts[0].tv_nsec = 0;
+    ts[1].tv_sec = Y2K;
+    ts[1].tv_nsec = UTIME_BOGUS_NEG;
+    errno = 0;
+    ASSERT (func (BASE "link", ts) == -1);
+    ASSERT (errno == EINVAL);
+  }
+  ASSERT (lstat (BASE "link", &st2) == 0);
+  if (atime_supported)
+    {
+      ASSERT (st1.st_atime == st2.st_atime);
+      ASSERT (get_stat_atime_ns (&st1) == get_stat_atime_ns (&st2));
+    }
+  ASSERT (utimecmp (BASE "link", &st1, &st2, 0) == 0);
+
+  /* Set both times.  */
+  {
+    struct timespec ts[2];
+    ts[0].tv_sec = Y2K;
+    ts[0].tv_nsec = BILLION / 2 - 1;
+    ts[1].tv_sec = Y2K;
+    ts[1].tv_nsec = BILLION - 1;
+    nap ();
+    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_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];
+    ts[0].tv_sec = BILLION;
+    ts[0].tv_nsec = UTIME_OMIT;
+    ts[1].tv_sec = 0;
+    ts[1].tv_nsec = 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 == BILLION);
+        ASSERT (get_stat_atime_ns (&st2) == 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];
+    ts[0].tv_sec = Y2K;
+    ts[0].tv_nsec = 0;
+    ts[1] = ts[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;
+}