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python3.2  3.2.2
Functions
asdl.c File Reference
#include "Python.h"
#include "asdl.h"

Go to the source code of this file.

Functions

asdl_seqasdl_seq_new (int size, PyArena *arena)
asdl_int_seqasdl_int_seq_new (int size, PyArena *arena)

Function Documentation

asdl_int_seq* asdl_int_seq_new ( int  size,
PyArena *  arena 
)

Definition at line 36 of file asdl.c.

{
    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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asdl_seq* asdl_seq_new ( int  size,
PyArena *  arena 
)

Definition at line 5 of file asdl.c.

{
    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;
}

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