1  /* Test for the behaviour of 'is_long_double' in printf_size.
       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 <printf.h>
      20  #include <stdio.h>
      21  #include <string.h>
      22  
      23  #include <support/check.h>
      24  
      25  static int
      26  do_test (void)
      27  {
      28    double d = 2000;
      29    double *dptr = &d;
      30    long double ld = 4000;
      31    long double *ldptr = & ld;
      32    struct printf_info info;
      33  
      34    memset (&info, 0, sizeof (info));
      35    info.spec = L'f';
      36  
      37    /* Print a value with double type.  */
      38    printf_size (stdout, &info, (void *) &dptr);
      39  
      40    /* Printf a value with long double type.  */
      41    info.is_long_double = 1;
      42    printf_size (stdout, &info, (void *) &ldptr);
      43  
      44    /* Setting both 'is_long_double' and 'is_binary128' to one is out of
      45       the scope of this test, because such configuration is only valid
      46       when _Float128 and long double are ABI-distinct (which is not
      47       always true in this arch-independent test).  */
      48    return 0;
      49  }
      50  
      51  #include <support/test-driver.c>