string/test-mempcpy.c

   1 /* Test and measure mempcpy functions.
   2    Copyright (C) 1999-2022 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"