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v0.8.1
https://github.com/python/cpython
09 December 2020, 11:06:31 UTC
Revision dbe4c286ce28402c3bce71d568ae55b91280e777 authored by Miss Islington (bot) on 14 August 2019, 22:22:02 UTC, committed by GitHub on 14 August 2019, 22:22:02 UTC 
bpo-37775: Update compileall doc for invalidation_mode parameter (GH-15148)
 
(cherry picked from commit 68e495df909a33e719e3f1ef5b4893ec785e10a4)

Co-authored-by: Hai Shi <shihai1992@gmail.com>
1 parent b8e6824
Raw File
Tip revision: dbe4c286ce28402c3bce71d568ae55b91280e777 authored by Miss Islington (bot) on 14 August 2019, 22:22:02 UTC
bpo-37775: Update compileall doc for invalidation_mode parameter (GH-15148)
Tip revision: dbe4c28
asdl.c 
#include "Python.h"
#include "asdl.h"

asdl_seq *
_Py_asdl_seq_new(Py_ssize_t size, PyArena *arena)
{
    asdl_seq *seq = NULL;
    size_t n;

    /* check size is sane */
    if (size < 0 ||
        (size && (((size_t)size - 1) > (SIZE_MAX / sizeof(void *))))) {
        PyErr_NoMemory();
        return NULL;
    }
    n = (size ? (sizeof(void *) * (size - 1)) : 0);

    /* check if size can be added safely */
    if (n > 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 *
_Py_asdl_int_seq_new(Py_ssize_t size, PyArena *arena)
{
    asdl_int_seq *seq = NULL;
    size_t n;

    /* check size is sane */
    if (size < 0 ||
        (size && (((size_t)size - 1) > (SIZE_MAX / sizeof(void *))))) {
            PyErr_NoMemory();
            return NULL;
    }
    n = (size ? (sizeof(void *) * (size - 1)) : 0);

    /* check if size can be added safely */
    if (n > 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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