1  /* Test double free bug in __printf_fp_l (bug 26214).
       2     Copyright (C) 2020-2023 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 <mcheck.h>
      20  #include <stdio.h>
      21  #include <sys/resource.h>
      22  #include <support/check.h>
      23  
      24  static int
      25  do_test (void)
      26  {
      27    mtrace ();
      28    FILE *fp = fopen ("/dev/full", "w");
      29    TEST_VERIFY_EXIT (fp != NULL);
      30    char buf[131072];
      31    TEST_VERIFY_EXIT (setvbuf (fp, buf, _IOFBF, sizeof buf) == 0);
      32    TEST_COMPARE (fprintf (fp, "%-1000000.65536f", 1.0), -1);
      33    fclose (fp);
      34    return 0;
      35  }
      36  
      37  #include <support/test-driver.c>