Function move_to_mem

src/pointers/_utils.py:54–71

Move data to a C pointer.

(
    ptr: "ctypes._PointerLike",
    stream: bytes,
    *,
    unsafe: bool = False,
    target: str = "memory allocation",
)

def move_to_mem(
    ptr: "ctypes._PointerLike",
    stream: bytes,
    *,
    unsafe: bool = False,
    target: str = "memory allocation",
):
    """Move data to a C pointer."""

    slen = len(stream)
    plen = len(ptr.contents)  # type: ignore

    if (slen > plen) and (not unsafe):
        raise InvalidSizeError(
            f"object is of size {slen}, while {target} is {plen}",
        )

    ctypes.memmove(ptr, stream, slen)


def attempt_decode(data: bytes) -> Union[str, bytes]: