From: Barak Itkin <lightningismyname@gmail.com>
Date: Sat, 30 Jun 2012 12:49:16 +0000 (+0300)
Subject: Critical: Fix a wrong usage of the g_list_cyclic* functions
X-Git-Tag: p2tc-0.1.0~31
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=e357ae5c628be4805717cf3f0e6fda991013f858;p=poly2tri-c

Critical: Fix a wrong usage of the g_list_cyclic* functions
---

diff --git a/poly2tri-c/refine/point.c b/poly2tri-c/refine/point.c
index 650ea7f..722cab6 100644
--- a/poly2tri-c/refine/point.c
+++ b/poly2tri-c/refine/point.c
@@ -107,7 +107,7 @@ void
 _p2tr_point_insert_edge (P2trPoint *self, P2trEdge *e)
 {
   GList *iter = self->outgoing_edges;
-  
+
   /* Remember: Edges are sorted in ASCENDING angle! */
   while (iter != NULL && ((P2trEdge*)iter->data)->angle < e->angle)
     iter = iter->next;
@@ -152,7 +152,7 @@ p2tr_point_edge_ccw (P2trPoint *self,
     p2tr_exception_programmatic ("Could not find the CCW sibling edge"
         "because the edge is not present in the outgoing-edges list!");
 
-  result = (P2trEdge*) g_list_cyclic_next (self->outgoing_edges, node);
+  result = (P2trEdge*) g_list_cyclic_next (self->outgoing_edges, node)->data;
   return p2tr_edge_ref (result);
 }
 
@@ -171,7 +171,7 @@ p2tr_point_edge_cw (P2trPoint* self,
     p2tr_exception_programmatic ("Could not find the CW sibling edge"
         "because the edge is not present in the outgoing-edges list!");
 
-  result = (P2trEdge*) g_list_cyclic_prev (self->outgoing_edges, node);
+  result = (P2trEdge*) g_list_cyclic_prev (self->outgoing_edges, node)->data;
   return p2tr_edge_ref (result);
 }