io/tst-utimensat.c

   1 /* Test for utimensat.
   2    Copyright (C) 2021-2023 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 #ifndef struct_stat
  26 # define struct_stat struct stat64
  27 #endif
  28
  29 static int
  30 test_utimesat_helper (const char *testfile, int fd, const char *testlink,
  31                       const struct timespec *ts)
  32 {
  33   {
  34     TEST_VERIFY_EXIT (utimensat (fd, testfile, ts, 0) == 0);
  35
  36     struct_stat st;
  37     xfstat (fd, &st);
  38
  39     /* Check if seconds for atime match */
  40     TEST_COMPARE (st.st_atime, ts[0].tv_sec);
  41
  42     /* Check if seconds for mtime match */
  43     TEST_COMPARE (st.st_mtime, ts[1].tv_sec);
  44   }
  45
  46   {
  47     struct_stat stfile_orig;
  48     xlstat (testfile, &stfile_orig);
  49
  50     TEST_VERIFY_EXIT (utimensat (0 /* ignored  */, testlink, ts,
  51                                  AT_SYMLINK_NOFOLLOW)
  52                        == 0);
  53     struct_stat stlink;
  54     xlstat (testlink, &stlink);
  55
  56     TEST_COMPARE (stlink.st_atime, ts[0].tv_sec);
  57     TEST_COMPARE (stlink.st_mtime, ts[1].tv_sec);
  58
  59     /* Check if the timestamp from original file is not changed.  */
  60     struct_stat stfile;
  61     xlstat (testfile, &stfile);
  62
  63     TEST_COMPARE (stfile_orig.st_atime, stfile.st_atime);
  64     TEST_COMPARE (stfile_orig.st_mtime, stfile.st_mtime);
  65   }
  66
  67   return 0;
  68 }
  69
  70 #define TEST_CALL(fname, fd, lname, v1, v2) \
  71   test_utimesat_helper (fname, fd, lname, (struct timespec[]) { { v1, 0 }, \
  72                                                                 { v2, 0 } })
  73
  74 #include "tst-utimensat-skeleton.c"