kc3-lang/gnulib/tests/test-wmemchr.c

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• Hash : 7b089321
  Author :
  Date : 2025-01-01T09:24:36
  

  maint: run 'make update-copyright'
  

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• tests/test-wmemchr.c

• /* Test of wmemchr() function.
     Copyright (C) 2024-2025 Free Software Foundation, Inc.
  
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation, either version 3 of the License, or
     (at your option) any later version.
  
     This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
  
     You should have received a copy of the GNU General Public License
     along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  
  #include <config.h>
  
  /* Specification.  */
  #include <wchar.h>
  
  #include <stddef.h>
  
  #include "macros.h"
  
  /* Test the library, not the compiler+library.  */
  static wchar_t *
  lib_wmemchr (wchar_t const *s, wchar_t wc, size_t n)
  {
    return wmemchr (s, wc, n);
  }
  static wchar_t *(*volatile volatile_wmemchr) (wchar_t const *, wchar_t, size_t)
    = lib_wmemchr;
  #undef wmemchr
  #define wmemchr volatile_wmemchr
  
  int
  main (void)
  {
    /* Test zero-length operations on NULL pointers, allowed by
       <https://www.open-std.org/jtc1/sc22/wg14/www/docs/n3322.pdf>.  */
    ASSERT (wmemchr (NULL, L'?', 0) == NULL);
  
    return test_exit_status;
  }
  

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