1  /* Test SSIZE_MAX value and type.
       2     Copyright (C) 2018-2023 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 <limits.h>
      20  #include <sys/types.h>
      21  
      22  /* Test SSIZE_MAX has type ssize_t.  */
      23  ssize_t x;
      24  extern __typeof (SSIZE_MAX) x;
      25  
      26  /* Test the value of SSIZE_MAX.  */
      27  _Static_assert (SSIZE_MAX == (sizeof (ssize_t) == sizeof (int)
      28  			      ? INT_MAX
      29  			      : LONG_MAX),
      30  		"value of SSIZE_MAX");
      31  
      32  static int
      33  do_test (void)
      34  {
      35    /* This is a compilation test.  */
      36    return 0;
      37  }
      38  
      39  #include <support/test-driver.c>