(root)/
glibc-2.38/
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"