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/* Measure stpcpy checking functions.
Copyright (C) 2013-2019 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 STRCPY_RESULT(dst, len) ((dst) + (len))
#define TEST_MAIN
#define TEST_NAME "stpcpy_chk"
#include "bench-string.h"
extern void __attribute__ ((noreturn)) __chk_fail (void);
char *simple_stpcpy_chk (char *, const char *, size_t);
extern char *normal_stpcpy (char *, const char *, size_t)
__asm ("stpcpy");
extern char *__stpcpy_chk (char *, const char *, size_t);
IMPL (simple_stpcpy_chk, 0)
IMPL (normal_stpcpy, 1)
IMPL (__stpcpy_chk, 2)
char *
simple_stpcpy_chk (char *dst, const char *src, size_t len)
{
if (! len)
__chk_fail ();
while ((*dst++ = *src++) != '\0')
if (--len == 0)
__chk_fail ();
return dst - 1;
}
#include "bench-strcpy_chk.c"
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