blob: 3a40293fd620f8d09867f1d2b5fd3f84682ae036 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
/* This test program is part of GDB, the GNU debugger.
Copyright 2024-2025 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include <stdio.h>
#include <string.h>
int
main (void)
{
/* Some targets need 4-byte alignment for hardware watchpoints. */
char s[40] __attribute__ ((aligned (4)))
= "This is a relatively long string...";
char a[40] __attribute__ ((aligned (4)))
= "String to be overwritten with zeroes";
char b[40] __attribute__ ((aligned (4)))
= "Another string to be memcopied...";
char c[40] __attribute__ ((aligned (4)))
= "Another string to be memmoved...";
/* Break here. */
memset (a, 0, sizeof (a));
memcpy (b, s, sizeof (b));
memmove (c, s, sizeof (c));
printf ("b = '%s'\n", b);
printf ("c = '%s'\n", c);
return 0;
}
|