glibc/io/tst-lutimes.c

/* Test for lutimes.
   Copyright (C) 2021-2024 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library 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
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <https://www.gnu.org/licenses/>.  */

#include <support/check.h>
#include <support/xunistd.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/time.h>

static int
test_lutimes_helper (const char *testfile, int fd, const char *testlink,
                     const struct timeval *tv)
{
  struct statx stfile_orig;
  xstatx (AT_FDCWD, testfile, AT_SYMLINK_NOFOLLOW, STATX_BASIC_STATS,
          &stfile_orig);

  TEST_VERIFY_EXIT (lutimes (testlink, tv) == 0);

  struct statx stlink;
  xstatx (AT_FDCWD, testlink, AT_SYMLINK_NOFOLLOW, STATX_BASIC_STATS, &stlink);

  TEST_COMPARE (stlink.stx_atime.tv_sec, tv[0].tv_sec);
  TEST_COMPARE (stlink.stx_mtime.tv_sec, tv[1].tv_sec);

  /* Check if the timestamp from original file is not changed.  */
  struct statx stfile;
  xstatx (AT_FDCWD, testfile, AT_SYMLINK_NOFOLLOW, STATX_BASIC_STATS, &stfile);

  TEST_COMPARE (stfile_orig.stx_atime.tv_sec, stfile.stx_atime.tv_sec);
  TEST_COMPARE (stfile_orig.stx_mtime.tv_sec, stfile.stx_mtime.tv_sec);

  return 0;
}

#define TEST_CALL(fname, fd, lname, v1, v2) \
  test_lutimes_helper (fname, fd, lname, (struct timeval[]) { { v1, 0 }, \
                                                              { v2, 0 } })

#include "tst-utimensat-skeleton.c"