1 /* { dg-add-options stack_size } */
2
3 #include <string.h>
4
5 #if defined (STACK_SIZE)
6 #define MEMCPY_SIZE (STACK_SIZE / 3)
7 #else
8 #define MEMCPY_SIZE (1 << 17)
9 #endif
10
11
copy(void * o,const void * i,unsigned l)12 void *copy (void *o, const void *i, unsigned l)
13 {
14 return memcpy (o, i, l);
15 }
16
main()17 main ()
18 {
19 unsigned i;
20 unsigned char src[MEMCPY_SIZE];
21 unsigned char dst[MEMCPY_SIZE];
22
23 for (i = 0; i < MEMCPY_SIZE; i++)
24 src[i] = (unsigned char) i, dst[i] = 0;
25
26 (void) memcpy (dst, src, MEMCPY_SIZE / 128);
27
28 for (i = 0; i < MEMCPY_SIZE / 128; i++)
29 if (dst[i] != (unsigned char) i)
30 abort ();
31
32 (void) memset (dst, 1, MEMCPY_SIZE / 128);
33
34 for (i = 0; i < MEMCPY_SIZE / 128; i++)
35 if (dst[i] != 1)
36 abort ();
37
38 (void) memcpy (dst, src, MEMCPY_SIZE);
39
40 for (i = 0; i < MEMCPY_SIZE; i++)
41 if (dst[i] != (unsigned char) i)
42 abort ();
43
44 (void) memset (dst, 0, MEMCPY_SIZE);
45
46 for (i = 0; i < MEMCPY_SIZE; i++)
47 if (dst[i] != 0)
48 abort ();
49
50 (void) copy (dst, src, MEMCPY_SIZE / 128);
51
52 for (i = 0; i < MEMCPY_SIZE / 128; i++)
53 if (dst[i] != (unsigned char) i)
54 abort ();
55
56 (void) memset (dst, 0, MEMCPY_SIZE);
57
58 (void) copy (dst, src, MEMCPY_SIZE);
59
60 for (i = 0; i < MEMCPY_SIZE; i++)
61 if (dst[i] != (unsigned char) i)
62 abort ();
63
64 exit (0);
65 }
66