Function npy_new_coercion_cache

numpy/core/src/multiarray/array_coercion.c:615–641

* Steals a reference to the object. */

 * Steals a reference to the object.
 */
static inline int
npy_new_coercion_cache(
        PyObject *converted_obj, PyObject *arr_or_sequence, npy_bool sequence,
        coercion_cache_obj ***next_ptr, int ndim)
{
    coercion_cache_obj *cache;
    if (_coercion_cache_num > 0) {
        _coercion_cache_num--;
        cache = _coercion_cache_cache[_coercion_cache_num];
    }
    else {
        cache = PyMem_Malloc(sizeof(coercion_cache_obj));
    }
    if (cache == NULL) {
        Py_DECREF(arr_or_sequence);
        PyErr_NoMemory();
        return -1;
    }
    cache->converted_obj = converted_obj;
    cache->arr_or_sequence = arr_or_sequence;
    cache->sequence = sequence;
    cache->depth = ndim;
    cache->next = NULL;
    **next_ptr = cache;
    *next_ptr = &(cache->next);
    return 0;
}

/**
 * Unlink coercion cache item.