Ronald Oussoren added the comment:
> On 19 jul. 2014, at 23:22, Mark Dickinson <[email protected]> wrote:
>
>
> Mark Dickinson added the comment:
>
> The relevant piece of code in the struct module looks like this:
>
> static PyObject *
> nu_bool(const char *p, const formatdef *f)
> {
> BOOL_TYPE x;
> memcpy((char *)&x, p, sizeof x);
> return PyBool_FromLong(x != 0);
> }
>
> Is it possible that BOOL_TYPE is a bitfield of length 1, and that clang is
> somehow making use of that fact?
I haven't found a definitive source yet, but it seems that the only valid
values for _Bool, which BOOL_TYPE expands to, are 0 and 1. Clang might make
use of that restriction.
Ronald
----------
title: struct.unpack('?', '\x02') returns (False,) when Python is built with
clang -> struct.unpack('?', '\x02') returns (False,) on Mac OSX
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