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
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
|
/* See LICENSE file for copyright and license details. */
#include "libsimple.h"
#ifndef TEST
wchar_t *
libsimple_wcsndup(const wchar_t *s, size_t n)
{
size_t size;
wchar_t *ret;
n = wcsnlen(s, n);
size = (n + 1) * sizeof(wchar_t);
ret = aligned_alloc(_Alignof(wchar_t), size);
if (!ret)
return NULL;
wmemcpy(ret, s, n);
ret[n] = 0;
return ret;
}
#else
#include "test.h"
int
main(void)
{
struct allocinfo *info;
const wchar_t *s = L"test";
wchar_t *p;
p = libsimple_wcsndup(s, SIZE_MAX);
assert(p);
assert(p != s);
assert(!((uintptr_t)s % _Alignof(wchar_t)));
if (have_custom_malloc()) {
assert((info = get_allocinfo(p)));
assert(info->size == 5 * sizeof(wchar_t));
assert(info->alignment == _Alignof(wchar_t));
}
assert(!wmemcmp(p, s, 5));
wmemset(p, 0, 5);
assert(!wmemcmp(s, L"test", 5));
free(p);
p = libsimple_wcsndup(s, 10);
assert(p);
assert(p != s);
assert(!((uintptr_t)s % _Alignof(wchar_t)));
if (have_custom_malloc()) {
assert((info = get_allocinfo(p)));
assert(info->size == 5 * sizeof(wchar_t));
assert(info->alignment == _Alignof(wchar_t));
}
assert(!wmemcmp(p, s, 5));
wmemset(p, 0, 5);
assert(!wmemcmp(s, L"test", 5));
free(p);
p = libsimple_wcsndup(s, 5);
assert(p);
assert(p != s);
assert(!((uintptr_t)s % _Alignof(wchar_t)));
if (have_custom_malloc()) {
assert((info = get_allocinfo(p)));
assert(info->size == 5 * sizeof(wchar_t));
assert(info->alignment == _Alignof(wchar_t));
}
assert(!wmemcmp(p, s, 5));
wmemset(p, 0, 5);
assert(!wmemcmp(s, L"test", 5));
free(p);
p = libsimple_wcsndup(s, 4);
assert(p);
assert(p != s);
assert(!((uintptr_t)s % _Alignof(wchar_t)));
if (have_custom_malloc()) {
assert((info = get_allocinfo(p)));
assert(info->size == 5 * sizeof(wchar_t));
assert(info->alignment == _Alignof(wchar_t));
}
assert(!wmemcmp(p, s, 5));
wmemset(p, 0, 5);
assert(!wmemcmp(s, L"test", 5));
free(p);
p = libsimple_wcsndup(s, 2);
assert(p);
assert(p != s);
assert(!((uintptr_t)s % _Alignof(wchar_t)));
if (have_custom_malloc()) {
assert((info = get_allocinfo(p)));
assert(info->size == 3 * sizeof(wchar_t));
assert(info->alignment == _Alignof(wchar_t));
}
assert(!wmemcmp(p, s, 2));
assert(!p[2]);
wmemset(p, 0, 3);
assert(!wmemcmp(s, L"test", 5));
free(p);
return 0;
}
#endif
|
