From e3aad4d0791e80782deb362f918a94e95ddbce1a Mon Sep 17 00:00:00 2001
From: Laurent Rineau <laurent.rineau@cgal.org>
Date: Wed, 26 Jun 2013 14:49:03 +0200
Subject: [PATCH] Fix warnings

---
 Mesh_3/include/CGAL/Mesh_3/Dump_c3t3.h        |  2 +-
 .../Mesh_3/Robust_intersection_traits_3.h     |  2 +-
 .../Mesh_domain_with_polyline_features_3.h    | 24 +++++++++----------
 .../Mesh_3/test_meshing_polylines_only.cpp    |  4 ++++
 4 files changed, 18 insertions(+), 14 deletions(-)

diff --git a/Mesh_3/include/CGAL/Mesh_3/Dump_c3t3.h b/Mesh_3/include/CGAL/Mesh_3/Dump_c3t3.h
index 5f0f6c205ac..9355bb5a46c 100644
--- a/Mesh_3/include/CGAL/Mesh_3/Dump_c3t3.h
+++ b/Mesh_3/include/CGAL/Mesh_3/Dump_c3t3.h
@@ -55,7 +55,7 @@ struct Dump_c3t3 {
 
 template <typename C3t3>
 struct Dump_c3t3<C3t3, false> {
-  void dump_c3t3(const C3t3& c3t3, std::string prefix) {
+  void dump_c3t3(const C3t3&, std::string) {
     std::cerr << "Warning " << __FILE__ << ":" << __LINE__ << "\n"
               << "  the c3t3 object cannot be dumped because some types are"
               << " not streamable:\n";
diff --git a/Mesh_3/include/CGAL/Mesh_3/Robust_intersection_traits_3.h b/Mesh_3/include/CGAL/Mesh_3/Robust_intersection_traits_3.h
index 5fb85358965..a82a90af324 100644
--- a/Mesh_3/include/CGAL/Mesh_3/Robust_intersection_traits_3.h
+++ b/Mesh_3/include/CGAL/Mesh_3/Robust_intersection_traits_3.h
@@ -192,7 +192,7 @@ typename K::Point_3
 lp_intersection(const typename K::Point_3& p, const typename K::Point_3& q,
                 const typename K::Point_3& a, const typename K::Point_3& b,
                 const typename K::Point_3& c,
-                const K & k)
+                const K &)
 {
   CGAL_MESH_3_PROFILER(std::string(CGAL_PRETTY_FUNCTION));
   typedef Exact_predicates_exact_constructions_kernel   EPEC;
diff --git a/Mesh_3/include/CGAL/Mesh_domain_with_polyline_features_3.h b/Mesh_3/include/CGAL/Mesh_domain_with_polyline_features_3.h
index 9530302172b..1dc92d688e5 100644
--- a/Mesh_3/include/CGAL/Mesh_domain_with_polyline_features_3.h
+++ b/Mesh_3/include/CGAL/Mesh_domain_with_polyline_features_3.h
@@ -824,13 +824,13 @@ Display_incidences_to_curves_aux<MDwPF_,curve_id_is_streamable>::
 operator()(std::ostream& os, typename MDwPF_::Curve_segment_index id,
            const Container2& corners_tmp_incidences_of_id) const
 {
-  std::cerr << "Corner #" << id << " is incident to the following curves: {";
+  os << "Corner #" << id << " is incident to the following curves: {";
   BOOST_FOREACH(typename MDwPF_::Curve_segment_index curve_index,
                 corners_tmp_incidences_of_id)
   {
-    std::cerr << " " << curve_index;
+    os << " " << curve_index;
   }
-  std::cerr << " }\n";
+  os << " }\n";
 }
 
 template <class MDwPF_>
@@ -841,9 +841,9 @@ Display_incidences_to_curves_aux<MDwPF_,false>::
 operator()(std::ostream& os, typename MDwPF_::Curve_segment_index id,
            const Container2& corners_tmp_incidences_of_id) const
 {
-  std::cerr << "Corner #" << id << " is incident to "
-            << corners_tmp_incidences_of_id .size()
-            << " curve(s).\n";
+  os << "Corner #" << id << " is incident to "
+     << corners_tmp_incidences_of_id .size()
+     << " curve(s).\n";
 }
 
 template <typename MDwPF_, bool patch_id_is_streamable>
@@ -854,13 +854,13 @@ Display_incidences_to_patches_aux<MDwPF_,patch_id_is_streamable>::
 operator()(std::ostream& os, typename MDwPF_::Curve_segment_index id,
            const Container& corners_incidences_of_id) const
 {
-  std::cerr << "Corner #" << id << " is incident to the following patches: {";
+  os << "Corner #" << id << " is incident to the following patches: {";
   BOOST_FOREACH(typename MDwPF_::Surface_patch_index i,
                 corners_incidences_of_id)
   {
-      std::cerr << " " << i;
+    os << " " << i;
   }
-  std::cerr << " }\n";
+  os << " }\n";
 }
 
 template <class MDwPF_>
@@ -871,9 +871,9 @@ Display_incidences_to_patches_aux<MDwPF_,false>::
 operator()(std::ostream& os, typename MDwPF_::Curve_segment_index id,
            const Container& corners_incidences_id) const
 {
-  std::cerr << "Corner #" << id << " is incident to "
-            << corners_incidences_id.size()
-            << " surface patch(es).\n";
+  os << "Corner #" << id << " is incident to "
+     << corners_incidences_id.size()
+     << " surface patch(es).\n";
 }
 
 }} // end namespaces internal::Mesh_3:: and internal::
diff --git a/Mesh_3/test/Mesh_3/test_meshing_polylines_only.cpp b/Mesh_3/test/Mesh_3/test_meshing_polylines_only.cpp
index 0e4ba0ded71..d547e597ee4 100644
--- a/Mesh_3/test/Mesh_3/test_meshing_polylines_only.cpp
+++ b/Mesh_3/test/Mesh_3/test_meshing_polylines_only.cpp
@@ -31,6 +31,10 @@ using namespace CGAL::parameters;
 
 int main(int argc, char** argv)
 {
+  if(argc != 2) {
+    std::cerr << "This test needs a filename as argument.\n";
+    return 1;
+  }
   typedef K::Point_3 Point;
 
   // Create domain