Merged revisions 63856-63857,63859-63860 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk
........
r63856 | robert.schuppenies | 2008-06-01 18:16:17 +0200 (So, 01 Jun 2008) | 2 lines
Issue #2898: Added sys.getsizeof() to retrieve size of objects in bytes.
........
r63859 | georg.brandl | 2008-06-01 18:42:16 +0200 (So, 01 Jun 2008) | 2 lines
Some style nits. Also clarify in the docstrings what __sizeof__ does.
........
r63860 | georg.brandl | 2008-06-01 19:05:56 +0200 (So, 01 Jun 2008) | 2 lines
Fix test_descrtut.
........
diff --git a/Objects/longobject.c b/Objects/longobject.c
index 10d03ae..d0d4d3a 100644
--- a/Objects/longobject.c
+++ b/Objects/longobject.c
@@ -3625,6 +3625,17 @@
#undef UNDEF_NDIGITS
}
+static PyObject *
+long_sizeof(PyLongObject *v)
+{
+ Py_ssize_t res;
+
+ res = sizeof(PyLongObject) + abs(Py_SIZE(v)) * sizeof(digit);
+ if (Py_SIZE(v) != 0)
+ res -= sizeof(digit);
+ return PyLong_FromSsize_t(res);
+}
+
#if 0
static PyObject *
long_is_finite(PyObject *v)
@@ -3651,6 +3662,8 @@
"Rounding with an ndigits arguments defers to float.__round__."},
{"__getnewargs__", (PyCFunction)long_getnewargs, METH_NOARGS},
{"__format__", (PyCFunction)long__format__, METH_VARARGS},
+ {"__sizeof__", (PyCFunction)long_sizeof, METH_NOARGS,
+ "Returns size in memory, in bytes"},
{NULL, NULL} /* sentinel */
};