glibc/io/tst-stat-time64.c

/* Basic test of stat with 64-bit time_t interfaces.
   Copyright (C) 2021 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 <errno.h>
#include <fcntl.h>
#include <stdbool.h>
#include <support/check.h>
#include <support/support.h>
#include <support/temp_file.h>
#include <support/xunistd.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <sys/sysmacros.h>

/* The idea of the test is check whether the 64-bit time_t stat implementation
   returns the expected value for comparable fields, so it does not really
   matter whether statx uses a fallback implementation or not.  */

static void
stat_check (int fd, const char *path, struct stat *st)
{
  TEST_COMPARE (stat (path, st), 0);
}

static void
lstat_check (int fd, const char *path, struct stat *st)
{
  TEST_COMPARE (lstat (path, st), 0);
}

static void
fstat_check (int fd, const char *path, struct stat *st)
{
  TEST_COMPARE (fstat (fd, st), 0);
}

static void
fstatat_check (int fd, const char *path, struct stat *st)
{
  TEST_COMPARE (fstatat (fd, path, st, 0), 0);
}

typedef void (*test_t)(int, const char *path, struct stat *);

static int
do_test (void)
{
  char *path;
  int fd = create_temp_file ("tst-statx-", &path);
  TEST_VERIFY_EXIT (fd >= 0);
  support_write_file_string (path, "abc");

  struct statx stx;
  TEST_COMPARE (statx (fd, path, 0, STATX_BASIC_STATS, &stx), 0);

  for (test_t *test = (test_t[]) { stat_check, lstat_check, fstat_check,
				   fstatat_check, NULL };
       *test != NULL; test++)
  {
    struct stat st;
    (*test) (fd, path, &st);

    TEST_COMPARE (stx.stx_dev_major, major (st.st_dev));
    TEST_COMPARE (stx.stx_dev_minor, minor (st.st_dev));
    TEST_COMPARE (stx.stx_ino, st.st_ino);
    TEST_COMPARE (stx.stx_mode, st.st_mode);
    TEST_COMPARE (stx.stx_nlink, st.st_nlink);
    TEST_COMPARE (stx.stx_uid, st.st_uid);
    TEST_COMPARE (stx.stx_gid, st.st_gid);
    TEST_COMPARE (stx.stx_rdev_major, major (st.st_rdev));
    TEST_COMPARE (stx.stx_rdev_minor, minor (st.st_rdev));
    TEST_COMPARE (stx.stx_blksize, st.st_blksize);
    TEST_COMPARE (stx.stx_blocks, st.st_blocks);

    TEST_COMPARE (stx.stx_ctime.tv_sec, st.st_ctim.tv_sec);
    TEST_COMPARE (stx.stx_ctime.tv_nsec, st.st_ctim.tv_nsec);
    TEST_COMPARE (stx.stx_mtime.tv_sec, st.st_mtim.tv_sec);
    TEST_COMPARE (stx.stx_mtime.tv_nsec, st.st_mtim.tv_nsec);
  }

  xclose (fd);
  free (path);

  return 0;
}

#include <support/test-driver.c>