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/* Measure stpncpy functions.
Copyright (C) 2013-2014 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
<http://www.gnu.org/licenses/>. */
#define STRNCPY_RESULT(dst, len, n) ((dst) + ((len) > (n) ? (n) : (len)))
#define TEST_MAIN
#define TEST_NAME "stpncpy"
#include "bench-string.h"
char *simple_stpncpy (char *, const char *, size_t);
char *stupid_stpncpy (char *, const char *, size_t);
IMPL (stupid_stpncpy, 0)
IMPL (simple_stpncpy, 0)
IMPL (stpncpy, 1)
char *
simple_stpncpy (char *dst, const char *src, size_t n)
{
while (n--)
if ((*dst++ = *src++) == '\0')
{
size_t i;
for (i = 0; i < n; ++i)
dst[i] = '\0';
return dst - 1;
}
return dst;
}
char *
stupid_stpncpy (char *dst, const char *src, size_t n)
{
size_t nc = strnlen (src, n);
size_t i;
for (i = 0; i < nc; ++i)
dst[i] = src[i];
for (; i < n; ++i)
dst[i] = '\0';
return dst + nc;
}
#include "bench-strncpy.c"
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