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
|
/* Copyright (C) 2001 Free Software Foundation.
Ensure builtin memset and memcpy are optimized away correctly.
Written by Roger Sayle, 11/23/2001. */
extern void abort (void);
typedef __SIZE_TYPE__ size_t;
extern void *memset (void *s, int c, size_t n);
extern void *memcpy (void *dest, const void *src, size_t n);
char dst[32];
char src[32];
int
main ()
{
memset (src, 0, 0);
memcpy (dst, src, 0);
return 0;
}
#ifdef __OPTIMIZE__
/* When optimizing, all the above cases should be transformed into
something else. So any remaining calls to the original function
should abort. */
static void *
memset (void *s, int c, size_t n)
{
abort ();
}
static void *
memcpy (void *dest, const void *src, size_t n)
{
abort ();
}
#endif
|
