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
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
|
/* See LICENSE file for copyright and license details. */
#include "common.h"
#ifndef TEST
static inline size_t
alloc_size_product(int *errp, size_t n, va_list ap)
{
size_t prod = n;
if (!n) {
*errp = EINVAL;
return 0;
}
for (;;) {
n = va_arg(ap, size_t);
if (!n)
break;
if (LIBSIMPLE_UMUL_OVERFLOW_NONZERO(n, prod, &prod, SIZE_MAX)) {
*errp = ENOMEM;
return 0;
}
}
return prod;
}
void *
libsimple_vmalloczn(int clear, size_t n, va_list ap)
{
n = alloc_size_product(&errno, n, ap);
return !n ? NULL : clear ? calloc(1, n) : malloc(n);
}
void *
libsimple_vreallocn(void *ptr, size_t n, va_list ap)
{
n = alloc_size_product(&errno, n, ap);
return !n ? NULL : realloc(ptr, n);
}
void *
libsimple_valigned_alloczn(int clear, size_t alignment, size_t n, va_list ap)
{
void *ret;
n = alloc_size_product(&errno, n, ap);
ret = !n ? NULL : aligned_alloc(alignment, n);
if (ret && clear)
memset(ret, 0, n);
return ret;
}
int
libsimple_vposix_memalignzn(void **memptr, int clear, size_t alignment, size_t n, va_list ap)
{
int ret = 0;
n = alloc_size_product(&ret, n, ap);
if (ret)
return ret;
ret = posix_memalign(memptr, alignment, n);
if (!ret && clear)
memset(*memptr, 0, n);
return ret;
}
#ifdef LIBSIMPLE_HAVE_ALIGNED_REALLOC
void *
libsimple_valigned_reallocn(void *ptr, size_t alignment, size_t n, va_list ap) /* TODO test (aligned_reallocn) */
{
n = alloc_size_product(&errno, n, ap);
return !n ? NULL : aligned_realloc(ptr, alignment, n);
}
#endif
#else
#include "test.h"
int
main(void)
{
struct allocinfo *info;
void *ptr;
assert(!libsimple_malloczn(0, 0) && errno == EINVAL);
errno = 0;
assert(!libsimple_malloczn(1, 0) && errno == EINVAL);
errno = 0;
assert(!libsimple_mallocn(0) && errno == EINVAL);
errno = 0;
assert(!libsimple_callocn(0) && errno == EINVAL);
errno = 0;
assert(!libsimple_aligned_alloczn(0, 128, 0) && errno == EINVAL);
errno = 0;
assert(!libsimple_aligned_alloczn(1, 128, 0) && errno == EINVAL);
errno = 0;
assert(!libsimple_aligned_allocn(128, 0) && errno == EINVAL);
errno = 0;
assert(!libsimple_malloczn(0, SIZE_MAX, 2, 0) && errno == ENOMEM);
errno = 0;
assert(!libsimple_malloczn(1, SIZE_MAX, 2, 0) && errno == ENOMEM);
errno = 0;
assert(!libsimple_mallocn(SIZE_MAX, 2, 0) && errno == ENOMEM);
errno = 0;
assert(!libsimple_callocn(SIZE_MAX, 2, 0) && errno == ENOMEM);
errno = 0;
assert(!libsimple_aligned_alloczn(0, 1024, SIZE_MAX, 2, 0) && errno == ENOMEM);
errno = 0;
assert(!libsimple_aligned_alloczn(1, 1024, SIZE_MAX, 2, 0) && errno == ENOMEM);
errno = 0;
assert(!libsimple_aligned_allocn(1024, SIZE_MAX, 2, 0) && errno == ENOMEM);
errno = 0;
assert((ptr = libsimple_malloczn(0, 10, 10, 0)));
if (have_custom_malloc()) {
assert((info = get_allocinfo(ptr)));
assert(info->size == 100);
assert(!info->zeroed);
assert(!((uintptr_t)ptr % (uintptr_t)(info->alignment)));
}
free(ptr);
assert((ptr = libsimple_malloczn(1, 20, 20, 0)));
if (have_custom_malloc()) {
assert((info = get_allocinfo(ptr)));
assert(info->size == 400);
assert(info->zeroed == 400);
assert(!((uintptr_t)ptr % (uintptr_t)(info->alignment)));
}
free(ptr);
assert((ptr = libsimple_mallocn(11, 11, 0)));
if (have_custom_malloc()) {
assert((info = get_allocinfo(ptr)));
assert(info->size == 121);
assert(!info->zeroed);
assert(!((uintptr_t)ptr % (uintptr_t)(info->alignment)));
}
free(ptr);
assert((ptr = libsimple_callocn(22, 22, 0)));
if (have_custom_malloc()) {
assert((info = get_allocinfo(ptr)));
assert(info->size == 484);
assert(info->zeroed == 484);
assert(!((uintptr_t)ptr % (uintptr_t)(info->alignment)));
}
free(ptr);
assert((ptr = libsimple_aligned_alloczn(0, 8, 12, 12, 0)));
if (have_custom_malloc()) {
assert((info = get_allocinfo(ptr)));
assert(info->size == 144);
assert(info->alignment == 8);
assert(!info->zeroed);
assert(!((uintptr_t)ptr % (uintptr_t)(info->alignment)));
}
free(ptr);
assert((ptr = libsimple_aligned_alloczn(1, 16, 12, 12, 2, 0)));
if (have_custom_malloc()) {
assert((info = get_allocinfo(ptr)));
assert(info->size == 288);
assert(info->alignment == 16);
assert(info->zeroed == 288);
assert(!((uintptr_t)ptr % (uintptr_t)(info->alignment)));
}
free(ptr);
assert((ptr = libsimple_aligned_allocn(32, 12, 12, 4, 0)));
if (have_custom_malloc()) {
assert((info = get_allocinfo(ptr)));
assert(info->size == 576);
assert(info->alignment == 32);
assert(!info->zeroed);
assert(!((uintptr_t)ptr % (uintptr_t)(info->alignment)));
}
free(ptr);
assert(!errno);
return 0;
}
#endif
|