io/tst-utimensat.c

   1 /* Test for utimensat.
   2    Copyright (C) 2021 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <fcntl.h>
  20 #include <support/check.h>
  21 #include <support/xunistd.h>
  22 #include <sys/stat.h>
  23 #include <sys/time.h>
  24
  25 static int
  26 test_utimesat_helper (const char *testfile, int fd, const char *testlink,
  27                       const struct timespec *ts)
  28 {
  29   {
  30     TEST_VERIFY_EXIT (utimensat (fd, testfile, ts, 0) == 0);
  31
  32     struct stat64 st;
  33     xfstat (fd, &st);
  34
  35     /* Check if seconds for atime match */
  36     TEST_COMPARE (st.st_atime, ts[0].tv_sec);
  37
  38     /* Check if seconds for mtime match */
  39     TEST_COMPARE (st.st_mtime, ts[1].tv_sec);
  40   }
  41
  42   {
  43     struct stat64 stfile_orig;
  44     xlstat (testfile, &stfile_orig);
  45
  46     TEST_VERIFY_EXIT (utimensat (0 /* ignored  */, testlink, ts,
  47                                  AT_SYMLINK_NOFOLLOW)
  48                        == 0);
  49     struct stat64 stlink;
  50     xlstat (testlink, &stlink);
  51
  52     TEST_COMPARE (stlink.st_atime, ts[0].tv_sec);
  53     TEST_COMPARE (stlink.st_mtime, ts[1].tv_sec);
  54
  55     /* Check if the timestamp from original file is not changed.  */
  56     struct stat64 stfile;
  57     xlstat (testfile, &stfile);
  58
  59     TEST_COMPARE (stfile_orig.st_atime, stfile.st_atime);
  60     TEST_COMPARE (stfile_orig.st_mtime, stfile.st_mtime);
  61   }
  62
  63   return 0;
  64 }
  65
  66 #define TEST_CALL(fname, fd, lname, v1, v2) \
  67   test_utimesat_helper (fname, fd, lname, (struct timespec[]) { { v1, 0 }, \
  68                                                                 { v2, 0 } })
  69
  70 #include "tst-utimensat-skeleton.c"