blob: 1105d3aa57b3cabf6b9964a791055dda74e25510 (
plain)
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
|
#include "Python.h"
#include "asdl.h"
asdl_seq *
asdl_seq_new(int size, PyArena *arena)
{
asdl_seq *seq = NULL;
size_t n = (size ? (sizeof(void *) * (size - 1)) : 0);
/* check size is sane */
if (size < 0 || size == INT_MIN ||
(size && ((size - 1) > (PY_SIZE_MAX / sizeof(void *))))) {
PyErr_NoMemory();
return NULL;
}
/* check if size can be added safely */
if (n > PY_SIZE_MAX - sizeof(asdl_seq)) {
PyErr_NoMemory();
return NULL;
}
n += sizeof(asdl_seq);
seq = (asdl_seq *)PyArena_Malloc(arena, n);
if (!seq) {
PyErr_NoMemory();
return NULL;
}
memset(seq, 0, n);
seq->size = size;
return seq;
}
asdl_int_seq *
asdl_int_seq_new(int size, PyArena *arena)
{
asdl_int_seq *seq = NULL;
size_t n = (size ? (sizeof(void *) * (size - 1)) : 0);
/* check size is sane */
if (size < 0 || size == INT_MIN ||
(size && ((size - 1) > (PY_SIZE_MAX / sizeof(void *))))) {
PyErr_NoMemory();
return NULL;
}
/* check if size can be added safely */
if (n > PY_SIZE_MAX - sizeof(asdl_seq)) {
PyErr_NoMemory();
return NULL;
}
n += sizeof(asdl_seq);
seq = (asdl_int_seq *)PyArena_Malloc(arena, n);
if (!seq) {
PyErr_NoMemory();
return NULL;
}
memset(seq, 0, n);
seq->size = size;
return seq;
}
|
