Added buffer_info() method that returns address and length in bytes of

the buffer used to hold the array -- for dangerous low-level I/O.

diff --git a/Modules/arraymodule.c b/Modules/arraymodule.c
index debd59418f466b85c1fdf976b0b8fc873814e49a..6920cbfd400fc7d89ebe64c197f141c40389565e 100644 (file)
--- a/Modules/arraymodule.c
+++ b/Modules/arraymodule.c
@@ -711,6 +711,15 @@ array_insert(self, args)
        return ins(self, i, v);
 }
 
+static PyObject *
+array_buffer_info(self, args)
+       arrayobject *self;
+       PyObject *args;
+{
+       return Py_BuildValue("ll",
+                            (long)(self->ob_item), (long)(self->ob_size));
+}
+
 static PyObject *
 array_append(self, args)
        arrayobject *self;
@@ -1050,6 +1059,7 @@ array_tostring(self, args)
 
 static PyMethodDef array_methods[] = {
        {"append",      (PyCFunction)array_append},
+       {"buffer_info", (PyCFunction)array_buffer_info},
        {"byteswap",    (PyCFunction)array_byteswap},
 /*     {"count",       (method)array_count},*/
        {"fromfile",    (PyCFunction)array_fromfile},