(root)/
glibc-2.38/
sysdeps/
x86/
tst-strcmp-rtm.c
       1  /* Test case for strcmp inside a transactionally executing RTM
       2     region.
       3     Copyright (C) 2022-2023 Free Software Foundation, Inc.
       4     This file is part of the GNU C Library.
       5  
       6     The GNU C Library is free software; you can redistribute it and/or
       7     modify it under the terms of the GNU Lesser General Public
       8     License as published by the Free Software Foundation; either
       9     version 2.1 of the License, or (at your option) any later version.
      10  
      11     The GNU C Library is distributed in the hope that it will be useful,
      12     but WITHOUT ANY WARRANTY; without even the implied warranty of
      13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      14     Lesser General Public License for more details.
      15  
      16     You should have received a copy of the GNU Lesser General Public
      17     License along with the GNU C Library; if not, see
      18     <https://www.gnu.org/licenses/>.  */
      19  
      20  #include <stdint.h>
      21  #include <tst-string-rtm.h>
      22  
      23  #ifdef WIDE
      24  # define CHAR wchar_t
      25  # define MEMSET wmemset
      26  # define STRCMP wcscmp
      27  # define TEST_NAME "wcscmp"
      28  #else /* !WIDE */
      29  # define CHAR char
      30  # define MEMSET memset
      31  
      32  # ifndef STRCMP
      33  #  define STRCMP strcmp
      34  #  define TEST_NAME "strcmp"
      35  # endif
      36  #endif
      37  
      38  #define LOOP 3000
      39  #define STRING_SIZE 1024
      40  CHAR string1[STRING_SIZE];
      41  CHAR string2[STRING_SIZE];
      42  
      43  __attribute__ ((noinline, noclone))
      44  static int
      45  prepare (void)
      46  {
      47    MEMSET (string1, 'a', STRING_SIZE - 1);
      48    MEMSET (string2, 'a', STRING_SIZE - 1);
      49    if (STRCMP (string1, string2) == 0)
      50      return EXIT_SUCCESS;
      51    else
      52      return EXIT_FAILURE;
      53  }
      54  
      55  __attribute__ ((noinline, noclone))
      56  static int
      57  function (void)
      58  {
      59    if (STRCMP (string1, string2) == 0)
      60      return 0;
      61    else
      62      return 1;
      63  }
      64  
      65  
      66  static int
      67  do_test (void)
      68  {
      69    return do_test_1 (TEST_NAME, LOOP, prepare, function);
      70  }