io/tst-posix_fallocate64.c

   1 /* Basic posix_fallocate tests (with _FILE_OFFSET_BITS).
   2    Copyright (C) 2016-2024 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 #define _FILE_OFFSET_BITS 64
  20 #include "tst-posix_fallocate-common.c"
  21
  22 static int
  23 do_test (void)
  24 {
  25   struct stat st;
  26   int ret;
  27
  28   if (fstat (temp_fd, &st) != 0)
  29     FAIL_EXIT1 ("1st fstat failed");
  30
  31   if (st.st_size != 0)
  32     FAIL_EXIT1 ("file not created with size 0");
  33
  34   ret = do_test_with_offset (512);
  35   if (ret == 1)
  36     return 1;
  37
  38   off_t base_offset = UINT32_MAX + 512LL;
  39   ret = do_test_with_offset (base_offset);
  40   if (ret == 1)
  41     return 1;
  42
  43   return 0;
  44 }