root/maint/gnulib/tests/test-utimensat.c

/* */

DEFINITIONS

1. do_utimensat
2. do_lutimensat
3. main

   1 /* Tests of utimensat.
   2    Copyright (C) 2009-2021 Free Software Foundation, Inc.
   3 
   4    This program is free software: you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation; either version 3 of the License, or
   7    (at your option) any later version.
   8 
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13 
  14    You should have received a copy of the GNU General Public License
  15    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  16 
  17 /* Written by Eric Blake <ebb9@byu.net>, 2009.  */
  18 
  19 #include <config.h>
  20 
  21 #include <sys/stat.h>
  22 
  23 #include "signature.h"
  24 SIGNATURE_CHECK (utimensat, int, (int, char const *, struct timespec const[2],
  25                                   int));
  26 
  27 #include <fcntl.h>
  28 #include <errno.h>
  29 #include <stdbool.h>
  30 #include <stdio.h>
  31 #include <stdlib.h>
  32 #include <string.h>
  33 #include <unistd.h>
  34 
  35 #include "stat-time.h"
  36 #include "timespec.h"
  37 #include "utimecmp.h"
  38 #include "ignore-value.h"
  39 #include "macros.h"
  40 
  41 #define BASE "test-utimensat.t"
  42 
  43 #include "test-lutimens.h"
  44 #include "test-utimens.h"
  45 
  46 static int dfd = AT_FDCWD;
  47 
  48 /* Wrap utimensat to behave like utimens.  */
  49 static int
  50 do_utimensat (char const *name, struct timespec const times[2])
     /*  */
  51 {
  52   return utimensat (dfd, name, times, 0);
  53 }
  54 
  55 /* Wrap utimensat to behave like lutimens.  */
  56 static int
  57 do_lutimensat (char const *name, struct timespec const times[2])
     /*  */
  58 {
  59   return utimensat (dfd, name, times, AT_SYMLINK_NOFOLLOW);
  60 }
  61 
  62 int
  63 main (void)
     /*  */
  64 {
  65   int result1; /* Skip because of no symlink support.  */
  66   int result2; /* Skip because of no lutimens support.  */
  67   int fd;
  68 
  69   /* Clean up any trash from prior testsuite runs.  */
  70   ignore_value (system ("rm -rf " BASE "*"));
  71 
  72   /* Test behaviour for invalid file descriptors.  */
  73   {
  74     errno = 0;
  75     ASSERT (utimensat (-1, "foo", NULL, 0) == -1);
  76     ASSERT (errno == EBADF);
  77   }
  78   {
  79     close (99);
  80     errno = 0;
  81     ASSERT (utimensat (99, "foo", NULL, 0) == -1);
  82     ASSERT (errno == EBADF);
  83   }
  84 
  85   /* Basic tests.  */
  86   result1 = test_utimens (do_utimensat, true);
  87   result2 = test_lutimens (do_lutimensat, result1 == 0);
  88   dfd = open (".", O_RDONLY);
  89   ASSERT (0 <= dfd);
  90   ASSERT (test_utimens (do_utimensat, false) == result1);
  91   ASSERT (test_lutimens (do_lutimensat, false) == result2);
  92   /* We expect 0/0, 0/77, or 77/77, but not 77/0.  */
  93   ASSERT (result1 <= result2);
  94 
  95   /* Directory-relative tests.  */
  96   ASSERT (mkdir (BASE "dir", 0700) == 0);
  97   ASSERT (chdir (BASE "dir") == 0);
  98   fd = creat ("file", 0600);
  99   ASSERT (0 <= fd);
 100   errno = 0;
 101   ASSERT (utimensat (fd, ".", NULL, 0) == -1);
 102   ASSERT (errno == ENOTDIR);
 103   {
 104     struct timespec ts[2];
 105     struct stat st;
 106     ts[0].tv_sec = Y2K;
 107     ts[0].tv_nsec = 0;
 108     ts[1].tv_sec = Y2K;
 109     ts[1].tv_nsec = 0;
 110     ASSERT (utimensat (dfd, BASE "dir/file", ts, AT_SYMLINK_NOFOLLOW) == 0);
 111     ASSERT (stat ("file", &st) == 0);
 112     ASSERT (st.st_atime == Y2K);
 113     ASSERT (get_stat_atime_ns (&st) == 0);
 114     ASSERT (st.st_mtime == Y2K);
 115     ASSERT (get_stat_mtime_ns (&st) == 0);
 116   }
 117   ASSERT (close (fd) == 0);
 118   ASSERT (close (dfd) == 0);
 119   errno = 0;
 120   ASSERT (utimensat (dfd, ".", NULL, 0) == -1);
 121   ASSERT (errno == EBADF);
 122 
 123   /* Cleanup.  */
 124   ASSERT (chdir ("..") == 0);
 125   ASSERT (unlink (BASE "dir/file") == 0);
 126   ASSERT (rmdir (BASE "dir") == 0);
 127   return result1 | result2;
 128 }

/* */