glibc/string/test-mempcpy.c
Andreas Schwab 9aaaab7c6e Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug 23196)
When compiled as mempcpy, the return value is the end of the destination
buffer, thus it cannot be used to refer to the start of it.
2018-05-23 09:50:57 +02:00

40 lines
1.2 KiB
C

/* Test and measure mempcpy functions.
Copyright (C) 1999-2018 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Written by Jakub Jelinek <jakub@redhat.com>, 1999.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#define MEMCPY_RESULT(dst, len) (dst) + (len)
#define MIN_PAGE_SIZE 131072
#define TEST_MAIN
#define TEST_NAME "mempcpy"
#include "test-string.h"
char *simple_mempcpy (char *, const char *, size_t);
IMPL (simple_mempcpy, 0)
IMPL (mempcpy, 1)
char *
simple_mempcpy (char *dst, const char *src, size_t n)
{
while (n--)
*dst++ = *src++;
return dst;
}
#include "test-memcpy.c"