[issue9566] Compilation warnings under x64 Windows
STINNER Victor
report at bugs.python.org
Wed Jan 5 00:55:11 CET 2011
STINNER Victor <victor.stinner at haypocalc.com> added the comment:
> But the comment is actually wrong: It says
>
> len <= buf_size <= INT_MAX (see above)
>
> however, len > buf_size may happen, after this code:
>
> if (len > buf_size) {
> PyErr_Format(PyExc_ValueError,
> "read() returned too much data: "
> "%i bytes requested, %zd returned",
> buf_size, len);
> goto finally;
> }
Oh. Not only is the comment is wrong, but the code is also wrong. It
should return a negative value on error, whereas it returns the string
length which is always positive (except on a unlikely Py_ssize_t => int
overflow?).
----------
_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue9566>
_______________________________________
More information about the Python-bugs-list
mailing list