tile: Check for pointer add overflow in memchr
[glibc.git] / string / test-stpcpy.c
blob5e31abf962c02d0c4032a287b53f2f2074b5085c
1 /* Test stpcpy functions.
2 Copyright (C) 1999-2017 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Written by Jakub Jelinek <jakub@redhat.com>, 1999.
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.
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.
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/>. */
20 #define STRCPY_RESULT(dst, len) ((dst) + (len))
21 #define TEST_MAIN
22 #ifndef WIDE
23 # define TEST_NAME "stpcpy"
24 #else
25 # define TEST_NAME "wcpcpy"
26 #endif /* !WIDE */
27 #include "test-string.h"
28 #ifndef WIDE
29 # define CHAR char
30 # define SIMPLE_STPCPY simple_stpcpy
31 # define STPCPY stpcpy
32 #else
33 # include <wchar.h>
34 # define CHAR wchar_t
35 # define SIMPLE_STPCPY simple_wcpcpy
36 # define STPCPY wcpcpy
37 #endif /* !WIDE */
39 CHAR *SIMPLE_STPCPY (CHAR *, const CHAR *);
41 IMPL (SIMPLE_STPCPY, 0)
42 IMPL (STPCPY, 1)
44 CHAR *
45 SIMPLE_STPCPY (CHAR *dst, const CHAR *src)
47 while ((*dst++ = *src++) != '\0');
48 return dst - 1;
51 #undef CHAR
52 #include "test-strcpy.c"