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
185
186
187
188
189
190
191
|
/*
* Copyright (c) 2014-2020 Pavel Kalvoda <me@pavelkalvoda.com>
*
* libcbor is free software; you can redistribute it and/or modify
* it under the terms of the MIT license. See LICENSE for details.
*/
#include "ints.h"
cbor_int_width cbor_int_get_width(const cbor_item_t *item) {
assert(cbor_is_int(item));
return item->metadata.int_metadata.width;
}
uint8_t cbor_get_uint8(const cbor_item_t *item) {
assert(cbor_is_int(item));
assert(cbor_int_get_width(item) == CBOR_INT_8);
return *item->data;
}
uint16_t cbor_get_uint16(const cbor_item_t *item) {
assert(cbor_is_int(item));
assert(cbor_int_get_width(item) == CBOR_INT_16);
return *(uint16_t *)item->data;
}
uint32_t cbor_get_uint32(const cbor_item_t *item) {
assert(cbor_is_int(item));
assert(cbor_int_get_width(item) == CBOR_INT_32);
return *(uint32_t *)item->data;
}
uint64_t cbor_get_uint64(const cbor_item_t *item) {
assert(cbor_is_int(item));
assert(cbor_int_get_width(item) == CBOR_INT_64);
return *(uint64_t *)item->data;
}
uint64_t cbor_get_int(const cbor_item_t *item) {
assert(cbor_is_int(item));
switch (cbor_int_get_width(item)) {
case CBOR_INT_8:
return cbor_get_uint8(item);
case CBOR_INT_16:
return cbor_get_uint16(item);
case CBOR_INT_32:
return cbor_get_uint32(item);
case CBOR_INT_64:
return cbor_get_uint64(item);
}
// TODO: This should be handled in a default branch
return 0xDEADBEEF; /* Compiler complaints */
}
void cbor_set_uint8(cbor_item_t *item, uint8_t value) {
assert(cbor_is_int(item));
assert(cbor_int_get_width(item) == CBOR_INT_8);
*item->data = value;
}
void cbor_set_uint16(cbor_item_t *item, uint16_t value) {
assert(cbor_is_int(item));
assert(cbor_int_get_width(item) == CBOR_INT_16);
*(uint16_t *)item->data = value;
}
void cbor_set_uint32(cbor_item_t *item, uint32_t value) {
assert(cbor_is_int(item));
assert(cbor_int_get_width(item) == CBOR_INT_32);
*(uint32_t *)item->data = value;
}
void cbor_set_uint64(cbor_item_t *item, uint64_t value) {
assert(cbor_is_int(item));
assert(cbor_int_get_width(item) == CBOR_INT_64);
*(uint64_t *)item->data = value;
}
void cbor_mark_uint(cbor_item_t *item) {
assert(cbor_is_int(item));
item->type = CBOR_TYPE_UINT;
}
void cbor_mark_negint(cbor_item_t *item) {
assert(cbor_is_int(item));
item->type = CBOR_TYPE_NEGINT;
}
cbor_item_t *cbor_new_int8() {
cbor_item_t *item = _CBOR_MALLOC(sizeof(cbor_item_t) + 1);
_CBOR_NOTNULL(item);
*item = (cbor_item_t){.data = (unsigned char *)item + sizeof(cbor_item_t),
.refcount = 1,
.metadata = {.int_metadata = {.width = CBOR_INT_8}},
.type = CBOR_TYPE_UINT};
return item;
}
cbor_item_t *cbor_new_int16() {
cbor_item_t *item = _CBOR_MALLOC(sizeof(cbor_item_t) + 2);
_CBOR_NOTNULL(item);
*item = (cbor_item_t){.data = (unsigned char *)item + sizeof(cbor_item_t),
.refcount = 1,
.metadata = {.int_metadata = {.width = CBOR_INT_16}},
.type = CBOR_TYPE_UINT};
return item;
}
cbor_item_t *cbor_new_int32() {
cbor_item_t *item = _CBOR_MALLOC(sizeof(cbor_item_t) + 4);
_CBOR_NOTNULL(item);
*item = (cbor_item_t){.data = (unsigned char *)item + sizeof(cbor_item_t),
.refcount = 1,
.metadata = {.int_metadata = {.width = CBOR_INT_32}},
.type = CBOR_TYPE_UINT};
return item;
}
cbor_item_t *cbor_new_int64() {
cbor_item_t *item = _CBOR_MALLOC(sizeof(cbor_item_t) + 8);
_CBOR_NOTNULL(item);
*item = (cbor_item_t){.data = (unsigned char *)item + sizeof(cbor_item_t),
.refcount = 1,
.metadata = {.int_metadata = {.width = CBOR_INT_64}},
.type = CBOR_TYPE_UINT};
return item;
}
cbor_item_t *cbor_build_uint8(uint8_t value) {
cbor_item_t *item = cbor_new_int8();
_CBOR_NOTNULL(item);
cbor_set_uint8(item, value);
cbor_mark_uint(item);
return item;
}
cbor_item_t *cbor_build_uint16(uint16_t value) {
cbor_item_t *item = cbor_new_int16();
_CBOR_NOTNULL(item);
cbor_set_uint16(item, value);
cbor_mark_uint(item);
return item;
}
cbor_item_t *cbor_build_uint32(uint32_t value) {
cbor_item_t *item = cbor_new_int32();
_CBOR_NOTNULL(item);
cbor_set_uint32(item, value);
cbor_mark_uint(item);
return item;
}
cbor_item_t *cbor_build_uint64(uint64_t value) {
cbor_item_t *item = cbor_new_int64();
_CBOR_NOTNULL(item);
cbor_set_uint64(item, value);
cbor_mark_uint(item);
return item;
}
cbor_item_t *cbor_build_negint8(uint8_t value) {
cbor_item_t *item = cbor_new_int8();
_CBOR_NOTNULL(item);
cbor_set_uint8(item, value);
cbor_mark_negint(item);
return item;
}
cbor_item_t *cbor_build_negint16(uint16_t value) {
cbor_item_t *item = cbor_new_int16();
_CBOR_NOTNULL(item);
cbor_set_uint16(item, value);
cbor_mark_negint(item);
return item;
}
cbor_item_t *cbor_build_negint32(uint32_t value) {
cbor_item_t *item = cbor_new_int32();
_CBOR_NOTNULL(item);
cbor_set_uint32(item, value);
cbor_mark_negint(item);
return item;
}
cbor_item_t *cbor_build_negint64(uint64_t value) {
cbor_item_t *item = cbor_new_int64();
_CBOR_NOTNULL(item);
cbor_set_uint64(item, value);
cbor_mark_negint(item);
return item;
}
|
