From a9ec618831d7292071498a2469a49ce6ca2bb1b1 Mon Sep 17 00:00:00 2001
From: Nicola Fontana <ntd@entidi.it>
Date: Mon, 21 Sep 2009 15:07:47 +0200
Subject: [PATCH] [AdgMarker] Avoid get_segment() when n_segment == 0

It is allowed to set the n_segment to 0, while finalizing the marker for
instance: in this situation the call to adg_trail_get_segment() should
not happen.
---
 adg/adg-marker.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/adg/adg-marker.c b/adg/adg-marker.c
index e4cab6be..f313b90c 100644
--- a/adg/adg-marker.c
+++ b/adg/adg-marker.c
@@ -661,6 +661,11 @@ set_n_segment(AdgMarker *marker, guint n_segment)
 
     data->n_segment = n_segment;
 
+    if (n_segment == 0) {
+        memset(&data->segment, 0, sizeof(data->segment));
+        return TRUE;
+    }
+
     return adg_trail_get_segment(data->trail, &data->segment, n_segment);
 }
 
-- 
2.11.4.GIT