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1/* Test and measure stpcpy checking functions.
2 Copyright (C) 1999-2019 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Written by Jakub Jelinek <jakub@redhat.com>, 1999.
5
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
10
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
15
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, see
18 <http://www.gnu.org/licenses/>. */
19
20#define STRCPY_RESULT(dst, len) ((dst) + (len))
21#define TEST_MAIN
22#define TEST_NAME "stpcpy_chk"
23#include "../string/test-string.h"
24
25extern void __attribute__ ((noreturn)) __chk_fail (void);
26char *simple_stpcpy_chk (char *, const char *, size_t);
27extern char *normal_stpcpy (char *, const char *, size_t)
28 __asm ("stpcpy");
29extern char *__stpcpy_chk (char *, const char *, size_t);
30
31IMPL (simple_stpcpy_chk, 0)
32IMPL (normal_stpcpy, 1)
33IMPL (__stpcpy_chk, 2)
34
35char *
36simple_stpcpy_chk (char *dst, const char *src, size_t len)
37{
38 if (! len)
39 __chk_fail ();
40 while ((*dst++ = *src++) != '\0')
41 if (--len == 0)
42 __chk_fail ();
43 return dst - 1;
44}
45
46#include "test-strcpy_chk.c"
47

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