[PATCH] remove a static limit on max domains in python bindings

[Daniel Veillard <veillard@xxxxxxxxxx>]

* python/libvirt-override.c: remove the predefined array in the
  virConnectListDomainsID binding and call virConnectNumOfDomains
  to do a proper allocation

diff --git a/python/libvirt-override.c b/python/libvirt-override.c
index 8a643a3..2dea16b 100644
--- a/python/libvirt-override.c
+++ b/python/libvirt-override.c
@@ -1616,7 +1616,7 @@ static PyObject *
 libvirt_virConnectListDomainsID(PyObject *self ATTRIBUTE_UNUSED,
                                PyObject *args) {
     PyObject *py_retval;
-    int ids[500], c_retval, i;
+    int *ids = NULL, c_retval, i;
     virConnectPtr conn;
     PyObject *pyobj_conn;
 
@@ -1626,14 +1626,34 @@ libvirt_virConnectListDomainsID(PyObject *self ATTRIBUTE_UNUSED,
     conn = (virConnectPtr) PyvirConnect_Get(pyobj_conn);
 
     LIBVIRT_BEGIN_ALLOW_THREADS;
-    c_retval = virConnectListDomains(conn, &ids[0], 500);
+    c_retval = virConnectNumOfDomains(conn);
     LIBVIRT_END_ALLOW_THREADS;
     if (c_retval < 0)
         return VIR_PY_NONE;
+
+    if (c_retval) {
+        ids = malloc(sizeof(*ids) * c_retval);
+	if (!ids)
+	    return VIR_PY_NONE;
+
+
+	LIBVIRT_BEGIN_ALLOW_THREADS;
+	c_retval = virConnectListDomains(conn, ids, c_retval);
+	LIBVIRT_END_ALLOW_THREADS;
+	if (c_retval < 0) {
+	    free(ids);
+	    return VIR_PY_NONE;
+	}
+    }
     py_retval = PyList_New(c_retval);
-    for (i = 0;i < c_retval;i++) {
-        PyList_SetItem(py_retval, i, libvirt_intWrap(ids[i]));
+
+    if (ids) {
+	for (i = 0;i < c_retval;i++) {
+	    PyList_SetItem(py_retval, i, libvirt_intWrap(ids[i]));
+	}
+	free(ids);
     }
+
     return(py_retval);
 }

Daniel

-- 
Daniel Veillard      | libxml Gnome XML XSLT toolkit  http://xmlsoft.org/
daniel@xxxxxxxxxxxx  | Rpmfind RPM search engine http://rpmfind.net/
http://veillard.com/ | virtualization library  http://libvirt.org/

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