Staging
v0.8.1
v0.8.1
https://github.com/python/cpython
Revision 3a2d18b7d7af0bc395b2c76c009be2f2435556be authored by Larry Hastings on 07 September 2013, 11:42:07 UTC, committed by Larry Hastings on 07 September 2013, 11:42:07 UTC
1 parent f1ffa3f
Tip revision: 3a2d18b7d7af0bc395b2c76c009be2f2435556be authored by Larry Hastings on 07 September 2013, 11:42:07 UTC
Version number bump for Python 3.4.0a2.
Version number bump for Python 3.4.0a2.
Tip revision: 3a2d18b
asdl.c
#include "Python.h"
#include "asdl.h"
asdl_seq *
asdl_seq_new(Py_ssize_t 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(Py_ssize_t 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;
}
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