glibc/benchtests/bench-stpncpy.c

44 lines
1.3 KiB
C

/* Measure stpncpy functions.
Copyright (C) 2013-2020 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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
<https://www.gnu.org/licenses/>. */
#define STRNCPY_RESULT(dst, len, n) ((dst) + ((len) > (n) ? (n) : (len)))
#define TEST_MAIN
#ifndef WIDE
# define TEST_NAME "stpncpy"
#else
# define TEST_NAME "wcpncpy"
# define generic_stpncpy generic_wcpncpy
#endif /* WIDE */
#include "bench-string.h"
CHAR *
generic_stpncpy (CHAR *dst, const CHAR *src, size_t n)
{
size_t nc = STRNLEN (src, n);
MEMCPY (dst, src, nc);
dst += nc;
if (nc == n)
return dst;
return MEMSET (dst, 0, n - nc);
}
IMPL (STPNCPY, 1)
IMPL (generic_stpncpy, 0)
#include "bench-strncpy.c"