Issue #7528: Backport PyLong_AsLongAndOverflow from py3k to trunk.

Thanks Case Van Horsen for the patch.

1 files changed, 13 insertions, 0 deletions

diff --git a/Doc/c-api/long.rst b/Doc/c-api/long.rst
index c9cb034..7453ccd 100644
--- a/Doc/c-api/long.rst
+++ b/Doc/c-api/long.rst
@@ -133,6 +133,19 @@ Long Integer Objects
    and ``-1`` will be returned.
 
 
+.. cfunction:: long PyLong_AsLongAndOverflow(PyObject *pylong, int* overflow)
+
+   Return a C :ctype:`long` representation of the contents of
+   *pylong*.  If *pylong* is greater than :const:`LONG_MAX` or less
+   than :const:`LONG_MIN`, set `*overflow` to ``1`` or ``-1``,
+   respectively, and return ``-1``; otherwise, set `*overflow` to
+   ``0``.  If any other exception occurs (for example a TypeError or
+   MemoryError), then ``-1`` will be returned and ``*overflow`` will
+   be ``0``.
+
+   .. versionadded:: 2.7
+
+
 .. cfunction:: Py_ssize_t PyLong_AsSsize_t(PyObject *pylong)
 
    .. index::