From: Thomas Gambier <thomas.gambier@gmail.com>
Date: Tue, 6 Mar 2018 14:10:23 +0000 (+0100)
Subject: Fix rrdtool.graph python binding
X-Git-Tag: v1.7.1~61^2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=refs%2Fpull%2F879%2Fhead;p=thirdparty%2Frrdtool-1.x.git

Fix rrdtool.graph python binding

It was failing with 'munmap_chunk(): invalid pointer' error in python 3.6.3
---

diff --git a/bindings/python/rrdtoolmodule.c b/bindings/python/rrdtoolmodule.c
index eeefb581..9a11945d 100644
--- a/bindings/python/rrdtoolmodule.c
+++ b/bindings/python/rrdtoolmodule.c
@@ -595,7 +595,7 @@ _rrdtool_graph(PyObject *Py_UNUSED(self), PyObject *args)
     PyObject *ret;
     int xsize, ysize, i, status;
     double ymin, ymax;
-    char **calcpr;
+    char **calcpr = NULL;
 
     if (convert_args("graph", args, &rrdtool_argv, &rrdtool_argc) == -1)
         return NULL;