mirror of
https://github.com/python/cpython.git
synced 2024-12-23 00:34:40 +08:00
7f14f0d8a0
svn+ssh://pythondev@svn.python.org/python/branches/py3k ................ r81032 | antoine.pitrou | 2010-05-09 17:52:27 +0200 (dim., 09 mai 2010) | 9 lines Recorded merge of revisions 81029 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r81029 | antoine.pitrou | 2010-05-09 16:46:46 +0200 (dim., 09 mai 2010) | 3 lines Untabify C files. Will watch buildbots. ........ ................
65 lines
1.4 KiB
C
65 lines
1.4 KiB
C
#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;
|
|
}
|