1  /* Test and measure mempcpy functions.
       2     Copyright (C) 1999-2023 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  #define MEMCPY_RESULT(dst, len) (dst) + (len)
      20  #define MIN_PAGE_SIZE 131072
      21  #define TEST_MAIN
      22  #define TEST_NAME "mempcpy"
      23  #include "test-string.h"
      24  
      25  IMPL (mempcpy, 1)
      26  
      27  /* Naive implementation to verify results.  */
      28  char *
      29  simple_mempcpy (char *dst, const char *src, size_t n)
      30  {
      31    while (n--)
      32      *dst++ = *src++;
      33    return dst;
      34  }
      35  
      36  #include "test-memcpy.c"