From: suter <frederic.suter@cc.in2p3.fr>
Date: Mon, 4 Feb 2013 15:50:20 +0000 (+0100)
Subject: oups, forgot to check is graph is acyclic or not
X-Git-Tag: v3_9_90~510^2~46
X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/commitdiff_plain/df4f597eef96c3b4b5e72f7a5e57ba6d3d6a88a8

oups, forgot to check is graph is acyclic or not
---

diff --git a/src/simdag/sd_dotloader.c b/src/simdag/sd_dotloader.c
index f4bfee34f6..e46dd91760 100644
--- a/src/simdag/sd_dotloader.c
+++ b/src/simdag/sd_dotloader.c
@@ -358,5 +358,11 @@ xbt_dynar_t SD_dotload_generic(const char * filename, seq_par_t seq_or_par){
   agclose(dag_dot);
   xbt_dict_free(&jobs);
 
+  if (!acyclic_graph_detail(result)) {
+    XBT_ERROR("The DOT described in %s is not a DAG. It contains a cycle.",
+              basename((char*)filename));
+    xbt_dynar_free(&result);
+    /* (result == NULL) here */
+  }
   return result;
 }