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Safe call of MEDfile functions.
[modules/med.git] / src / MEDLoader / MEDLoader.cxx
index f14e17a152833858b9415a9582f24c854815dd3f..9c7189655f8e0f9fc5d6868455dd601c1ceceea0 100644 (file)
@@ -1,9 +1,9 @@
-// Copyright (C) 2007-2013  CEA/DEN, EDF R&D
+// Copyright (C) 2007-2015  CEA/DEN, EDF R&D
 //
 // This library is free software; you can redistribute it and/or
 // modify it under the terms of the GNU Lesser General Public
 // License as published by the Free Software Foundation; either
-// version 2.1 of the License.
+// version 2.1 of the License, or (at your option) any later version.
 //
 // This library is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -21,6 +21,7 @@
 #include "MEDLoader.hxx"
 #include "MEDLoaderBase.hxx"
 #include "MEDFileUtilities.hxx"
+#include "MEDFileSafeCaller.txx"
 #include "MEDFileMesh.hxx"
 #include "MEDFileField.hxx"
 #include "CellModel.hxx"
 #include <algorithm>
 
 med_geometry_type typmai[MED_N_CELL_FIXED_GEO] = { MED_POINT1,
-                                                   MED_SEG2,
-                                                   MED_SEG3,
-                                                   MED_SEG4,
-                                                   MED_TRIA3,
-                                                   MED_QUAD4,
-                                                   MED_TRIA6,
-                                                   MED_TRIA7,
-                                                   MED_QUAD8,
-                                                   MED_QUAD9,
-                                                   MED_TETRA4,
-                                                   MED_PYRA5,
-                                                   MED_PENTA6,
-                                                   MED_HEXA8,
-                                                   MED_OCTA12,
-                                                   MED_TETRA10,
-                                                   MED_PYRA13,
-                                                   MED_PENTA15,
-                                                   MED_HEXA20,
-                                                   MED_HEXA27,
-                                                   MED_POLYGON,
-                                                   MED_POLYGON2,
-                                                   MED_POLYHEDRON };
+  MED_SEG2,
+  MED_SEG3,
+  MED_SEG4,
+  MED_TRIA3,
+  MED_QUAD4,
+  MED_TRIA6,
+  MED_TRIA7,
+  MED_QUAD8,
+  MED_QUAD9,
+  MED_TETRA4,
+  MED_PYRA5,
+  MED_PENTA6,
+  MED_HEXA8,
+  MED_OCTA12,
+  MED_TETRA10,
+  MED_PYRA13,
+  MED_PENTA15,
+  MED_HEXA20,
+  MED_HEXA27,
+  MED_POLYGON,
+  MED_POLYGON2,
+  MED_POLYHEDRON };
 
 med_geometry_type typmainoeud[1] = { MED_NONE };
 
 INTERP_KERNEL::NormalizedCellType typmai2[MED_N_CELL_FIXED_GEO] = { INTERP_KERNEL::NORM_POINT1,
-                                                                    INTERP_KERNEL::NORM_SEG2,
-                                                                    INTERP_KERNEL::NORM_SEG3,
-                                                                    INTERP_KERNEL::NORM_SEG4,
-                                                                    INTERP_KERNEL::NORM_TRI3,
-                                                                    INTERP_KERNEL::NORM_QUAD4,
-                                                                    INTERP_KERNEL::NORM_TRI6,
-                                                                    INTERP_KERNEL::NORM_TRI7,
-                                                                    INTERP_KERNEL::NORM_QUAD8,
-                                                                    INTERP_KERNEL::NORM_QUAD9,
-                                                                    INTERP_KERNEL::NORM_TETRA4,
-                                                                    INTERP_KERNEL::NORM_PYRA5,
-                                                                    INTERP_KERNEL::NORM_PENTA6,
-                                                                    INTERP_KERNEL::NORM_HEXA8,
-                                                                    INTERP_KERNEL::NORM_HEXGP12,
-                                                                    INTERP_KERNEL::NORM_TETRA10,
-                                                                    INTERP_KERNEL::NORM_PYRA13,
-                                                                    INTERP_KERNEL::NORM_PENTA15,
-                                                                    INTERP_KERNEL::NORM_HEXA20,
-                                                                    INTERP_KERNEL::NORM_HEXA27,
-                                                                    INTERP_KERNEL::NORM_POLYGON,
-                                                                    INTERP_KERNEL::NORM_QPOLYG,
-                                                                    INTERP_KERNEL::NORM_POLYHED };
+  INTERP_KERNEL::NORM_SEG2,
+  INTERP_KERNEL::NORM_SEG3,
+  INTERP_KERNEL::NORM_SEG4,
+  INTERP_KERNEL::NORM_TRI3,
+  INTERP_KERNEL::NORM_QUAD4,
+  INTERP_KERNEL::NORM_TRI6,
+  INTERP_KERNEL::NORM_TRI7,
+  INTERP_KERNEL::NORM_QUAD8,
+  INTERP_KERNEL::NORM_QUAD9,
+  INTERP_KERNEL::NORM_TETRA4,
+  INTERP_KERNEL::NORM_PYRA5,
+  INTERP_KERNEL::NORM_PENTA6,
+  INTERP_KERNEL::NORM_HEXA8,
+  INTERP_KERNEL::NORM_HEXGP12,
+  INTERP_KERNEL::NORM_TETRA10,
+  INTERP_KERNEL::NORM_PYRA13,
+  INTERP_KERNEL::NORM_PENTA15,
+  INTERP_KERNEL::NORM_HEXA20,
+  INTERP_KERNEL::NORM_HEXA27,
+  INTERP_KERNEL::NORM_POLYGON,
+  INTERP_KERNEL::NORM_QPOLYG,
+  INTERP_KERNEL::NORM_POLYHED };
 
 med_geometry_type typmai3[34] = { MED_POINT1,//0
-                                  MED_SEG2,//1
-                                  MED_SEG3,//2
-                                  MED_TRIA3,//3
-                                  MED_QUAD4,//4
-                                  MED_POLYGON,//5
-                                  MED_TRIA6,//6
-                                  MED_TRIA7,//7
-                                  MED_QUAD8,//8
-                                  MED_QUAD9,//9
-                                  MED_SEG4,//10
-                                  MED_NONE,//11
-                                  MED_NONE,//12
-                                  MED_NONE,//13
-                                  MED_TETRA4,//14
-                                  MED_PYRA5,//15
-                                  MED_PENTA6,//16
-                                  MED_NONE,//17
-                                  MED_HEXA8,//18
-                                  MED_NONE,//19
-                                  MED_TETRA10,//20
-                                  MED_NONE,//21
-                                  MED_OCTA12,//22
-                                  MED_PYRA13,//23
-                                  MED_NONE,//24
-                                  MED_PENTA15,//25
-                                  MED_NONE,//26
-                                  MED_HEXA27,//27
-                                  MED_NONE,//28
-                                  MED_NONE,//29
-                                  MED_HEXA20,//30
-                                  MED_POLYHEDRON,//31
-                                  MED_POLYGON2,//32
-                                  MED_NONE//33
+  MED_SEG2,//1
+  MED_SEG3,//2
+  MED_TRIA3,//3
+  MED_QUAD4,//4
+  MED_POLYGON,//5
+  MED_TRIA6,//6
+  MED_TRIA7,//7
+  MED_QUAD8,//8
+  MED_QUAD9,//9
+  MED_SEG4,//10
+  MED_NONE,//11
+  MED_NONE,//12
+  MED_NONE,//13
+  MED_TETRA4,//14
+  MED_PYRA5,//15
+  MED_PENTA6,//16
+  MED_NONE,//17
+  MED_HEXA8,//18
+  MED_NONE,//19
+  MED_TETRA10,//20
+  MED_NONE,//21
+  MED_OCTA12,//22
+  MED_PYRA13,//23
+  MED_NONE,//24
+  MED_PENTA15,//25
+  MED_NONE,//26
+  MED_HEXA27,//27
+  MED_NONE,//28
+  MED_NONE,//29
+  MED_HEXA20,//30
+  MED_POLYHEDRON,//31
+  MED_POLYGON2,//32
+  MED_NONE//33
 };
 
 double MEDLoader::_EPS_FOR_NODE_COMP=1.e-12;
@@ -141,10 +142,10 @@ using namespace ParaMEDMEM;
 
 namespace MEDLoaderNS
 {
-  int readUMeshDimFromFile(const char *fileName, const char *meshName, std::vector<int>& possibilities);
+  int readUMeshDimFromFile(const std::string& fileName, const std::string& meshName, std::vector<int>& possibilities);
   void dispatchElems(int nbOfElemCell, int nbOfElemFace, int& nbOfElem, med_entity_type& whichEntity);
-  void writeFieldWithoutReadingAndMappingOfMeshInFile(const char *fileName, const ParaMEDMEM::MEDCouplingFieldDouble *f, bool writeFromScratch);
-  med_int getIdFromMeshName(med_idt fid, const char *meshName, std::string& trueMeshName) throw(INTERP_KERNEL::Exception);
+  void writeFieldWithoutReadingAndMappingOfMeshInFile(const std::string& fileName, const ParaMEDMEM::MEDCouplingFieldDouble *f, bool writeFromScratch);
+  med_int getIdFromMeshName(med_idt fid, const std::string& meshName, std::string& trueMeshName);
   std::vector<std::string> getMeshNamesFid(med_idt fid);
 }
 
@@ -154,14 +155,14 @@ namespace MEDLoaderNS
 /// @cond INTERNAL
 
 /*!
- * This method returns a first quick overview of mesh with name 'meshName' into the file 'fileName'.
+ * This method returns a first quick overview of mesh with name \a meshName into the file \a fileName.
  * @param possibilities the relativeToMeshDim authorized to returned maxdim. This vector is systematically cleared at the begin of this method.
  * @return the maximal mesh dimension of specified mesh. If nothing found -1 is returned.
  */
-int MEDLoaderNS::readUMeshDimFromFile(const char *fileName, const char *meshName, std::vector<int>& possibilities)
+int MEDLoaderNS::readUMeshDimFromFile(const std::string& fileName, const std::string& meshName, std::vector<int>& possibilities)
 {
   possibilities.clear();
-  MEDFileUtilities::AutoFid fid=MEDfileOpen(fileName,MED_ACC_RDONLY);
+  MEDFileUtilities::AutoFid fid=MEDfileOpen(fileName.c_str(),MED_ACC_RDONLY);
   int ret;
   std::set<int> poss;
   char nommaa[MED_NAME_SIZE+1];
@@ -174,10 +175,10 @@ int MEDLoaderNS::readUMeshDimFromFile(const char *fileName, const char *meshName
   med_sorting_type sortingType;
   med_int nstep;
   med_axis_type axisType;
-  int naxis=MEDmeshnAxis(fid,meshId);
+  int naxis(MEDmeshnAxis(fid,meshId));
   INTERP_KERNEL::AutoPtr<char> axisname=MEDLoaderBase::buildEmptyString(naxis*MED_SNAME_SIZE);
   INTERP_KERNEL::AutoPtr<char> axisunit=MEDLoaderBase::buildEmptyString(naxis*MED_SNAME_SIZE);
-  MEDmeshInfo(fid,meshId,nommaa,&Sdim,&Mdim,&type_maillage,maillage_description,dt_unit,&sortingType,&nstep,&axisType,axisname,axisunit);
+  MEDFILESAFECALLERRD0(MEDmeshInfo,(fid,meshId,nommaa,&Sdim,&Mdim,&type_maillage,maillage_description,dt_unit,&sortingType,&nstep,&axisType,axisname,axisunit));
   // limitation
   if(nstep!=1)
     {
@@ -185,14 +186,14 @@ int MEDLoaderNS::readUMeshDimFromFile(const char *fileName, const char *meshName
     } 
   med_int numdt,numit;
   med_float dt;
-  MEDmeshComputationStepInfo(fid,nommaa,1,&numdt,&numit,&dt);
+  MEDFILESAFECALLERRD0(MEDmeshComputationStepInfo,(fid,nommaa,1,&numdt,&numit,&dt));
   // endlimitation
   for(int i=0;i<MED_N_CELL_GEO_FIXED_CON;i++)
     {
       med_geometry_type curMedType=typmai[i];
       med_bool changement,transformation;
-      int curNbOfElemM=MEDmeshnEntity(fid,nommaa,numdt,numit,MED_CELL,curMedType,MED_CONNECTIVITY,MED_NODAL,&changement,&transformation);
-      int curNbOfElemF=MEDmeshnEntity(fid,nommaa,numdt,numit,MED_CELL,curMedType,MED_CONNECTIVITY,MED_NODAL,&changement,&transformation);//limitation
+      int curNbOfElemM(MEDmeshnEntity(fid,nommaa,numdt,numit,MED_CELL,curMedType,MED_CONNECTIVITY,MED_NODAL,&changement,&transformation));
+      int curNbOfElemF(MEDmeshnEntity(fid,nommaa,numdt,numit,MED_CELL,curMedType,MED_CONNECTIVITY,MED_NODAL,&changement,&transformation));//limitation
       int curNbOfElem;
       med_entity_type whichEntity;
       MEDLoaderNS::dispatchElems(curNbOfElemM,curNbOfElemF,curNbOfElem,whichEntity);
@@ -214,9 +215,9 @@ int MEDLoaderNS::readUMeshDimFromFile(const char *fileName, const char *meshName
   return ret;
 }
 
-med_int MEDLoaderNS::getIdFromMeshName(med_idt fid, const char *meshName, std::string& trueMeshName) throw(INTERP_KERNEL::Exception)
-{
-  if(meshName==0)
+med_int MEDLoaderNS::getIdFromMeshName(med_idt fid, const std::string& meshName, std::string& trueMeshName)
+    {
+  if(meshName.empty())
     {
       std::vector<std::string> meshes=getMeshNamesFid(fid);
       if(meshes.empty())
@@ -238,7 +239,7 @@ med_int MEDLoaderNS::getIdFromMeshName(med_idt fid, const char *meshName, std::s
     }
   trueMeshName=meshName;
   return iter-meshes.begin()+1;
-}
+    }
 
 std::vector<std::string> MEDLoaderNS::getMeshNamesFid(med_idt fid)
 {
@@ -254,11 +255,11 @@ std::vector<std::string> MEDLoaderNS::getMeshNamesFid(med_idt fid)
   std::vector<std::string> ret(n);
   for(int i=0;i<n;i++)
     {
-      int naxis=MEDmeshnAxis(fid,i+1);
+      int naxis(MEDmeshnAxis(fid,i+1));
       INTERP_KERNEL::AutoPtr<char> axisname=MEDLoaderBase::buildEmptyString(naxis*MED_SNAME_SIZE);
       INTERP_KERNEL::AutoPtr<char> axisunit=MEDLoaderBase::buildEmptyString(naxis*MED_SNAME_SIZE);
       int nstep;
-      MEDmeshInfo(fid,i+1,nommaa,&space_dim,&mesh_dim,&type_maillage,maillage_description,dtunit,&stype,&nstep,&axistype,axisname,axisunit);
+      MEDFILESAFECALLERRD0(MEDmeshInfo,(fid,i+1,nommaa,&space_dim,&mesh_dim,&type_maillage,maillage_description,dtunit,&stype,&nstep,&axistype,axisname,axisunit));
       std::string cur=MEDLoaderBase::buildStringFromFortran(nommaa,sizeof(nommaa));
       ret[i]=cur;
     }
@@ -284,6 +285,11 @@ void MEDLoaderNS::dispatchElems(int nbOfElemCell, int nbOfElemFace, int& nbOfEle
 
 /// @endcond
 
+void MEDLoader::AssignStaticWritePropertiesTo(ParaMEDMEM::MEDFileWritable& obj)
+{
+  obj.setTooLongStrPolicy(_TOO_LONG_STR);
+}
+
 bool MEDLoader::HasXDR()
 {
 #ifdef HAS_XDR
@@ -338,10 +344,10 @@ void MEDLoader::SetTooLongStrPolicy(int val)
  * - the space dimension
  * - the number of nodes
  */
-std::vector< std::vector< std::pair<INTERP_KERNEL::NormalizedCellType,int> > > MEDLoader::GetUMeshGlobalInfo(const char *fileName, const char *meshName, int &meshDim, int& spaceDim, int& numberOfNodes)
+std::vector< std::vector< std::pair<INTERP_KERNEL::NormalizedCellType,int> > > MEDLoader::GetUMeshGlobalInfo(const std::string& fileName, const std::string& meshName, int &meshDim, int& spaceDim, int& numberOfNodes)
 {
   CheckFileForRead(fileName);
-  MEDFileUtilities::AutoFid fid=MEDfileOpen(fileName,MED_ACC_RDONLY);
+  MEDFileUtilities::AutoFid fid=MEDfileOpen(fileName.c_str(),MED_ACC_RDONLY);
   std::set<int> poss;
   char nommaa[MED_NAME_SIZE+1];
   char maillage_description[MED_COMMENT_SIZE+1];
@@ -352,10 +358,10 @@ std::vector< std::vector< std::pair<INTERP_KERNEL::NormalizedCellType,int> > > M
   med_sorting_type sortingType;
   med_int nstep;
   med_axis_type axisType;
-  int naxis=MEDmeshnAxis(fid,meshId);
+  int naxis(MEDmeshnAxis(fid,meshId));
   INTERP_KERNEL::AutoPtr<char> axisname=MEDLoaderBase::buildEmptyString(naxis*MED_SNAME_SIZE);
   INTERP_KERNEL::AutoPtr<char> axisunit=MEDLoaderBase::buildEmptyString(naxis*MED_SNAME_SIZE);
-  MEDmeshInfo(fid,meshId,nommaa,&spaceDim,&meshDim,&type_maillage,maillage_description,dt_unit,&sortingType,&nstep,&axisType,axisname,axisunit); 
+  MEDFILESAFECALLERRD0(MEDmeshInfo,(fid,meshId,nommaa,&spaceDim,&meshDim,&type_maillage,maillage_description,dt_unit,&sortingType,&nstep,&axisType,axisname,axisunit));
   if(type_maillage!=MED_UNSTRUCTURED_MESH)
     {
       std::ostringstream oss; oss << "MEDLoader::GetUMeshGlobalInfo : Mesh \""<< meshName << "\" in file \"" << fileName;
@@ -367,7 +373,7 @@ std::vector< std::vector< std::pair<INTERP_KERNEL::NormalizedCellType,int> > > M
     throw INTERP_KERNEL::Exception("MEDLoader::GetUMeshGlobalInfo : multisteps on mesh not managed !");
   med_int numdt,numit;
   med_float dt;
-  MEDmeshComputationStepInfo(fid,nommaa,1,&numdt,&numit,&dt);
+  MEDFILESAFECALLERRD0(MEDmeshComputationStepInfo,(fid,nommaa,1,&numdt,&numit,&dt));
   // endlimitation
   std::vector<int> dims;
   std::vector< std::pair<INTERP_KERNEL::NormalizedCellType,int> > geoTypes;
@@ -375,7 +381,7 @@ std::vector< std::vector< std::pair<INTERP_KERNEL::NormalizedCellType,int> > > M
   for(int i=0;i<MED_N_CELL_FIXED_GEO;i++)
     {
       med_geometry_type curMedType=typmai[i];
-      int curNbOfElemM=MEDmeshnEntity(fid,nommaa,numdt,numit,MED_CELL,curMedType,MED_CONNECTIVITY,MED_NODAL,&changement,&transformation);
+      int curNbOfElemM(MEDmeshnEntity(fid,nommaa,numdt,numit,MED_CELL,curMedType,MED_CONNECTIVITY,MED_NODAL,&changement,&transformation));
       if(curNbOfElemM>0)
         {
           INTERP_KERNEL::NormalizedCellType typp=typmai2[i];
@@ -396,29 +402,29 @@ std::vector< std::vector< std::pair<INTERP_KERNEL::NormalizedCellType,int> > > M
   return ret;
 }
 
-void MEDLoader::CheckFileForRead(const char *fileName)
+void MEDLoader::CheckFileForRead(const std::string& fileName)
 {
   MEDFileUtilities::CheckFileForRead(fileName);
 }
 
-std::vector<std::string> MEDLoader::GetMeshNames(const char *fileName)
+std::vector<std::string> MEDLoader::GetMeshNames(const std::string& fileName)
 {
   CheckFileForRead(fileName);
-  MEDFileUtilities::AutoFid fid=MEDfileOpen(fileName,MED_ACC_RDONLY);
+  MEDFileUtilities::AutoFid fid=MEDfileOpen(fileName.c_str(),MED_ACC_RDONLY);
   std::vector<std::string> ret=MEDLoaderNS::getMeshNamesFid(fid);
   return ret;
 }
 
-std::vector< std::pair<std::string,std::string> > MEDLoader::GetComponentsNamesOfField(const char *fileName, const char *fieldName)
+std::vector< std::pair<std::string,std::string> > MEDLoader::GetComponentsNamesOfField(const std::string& fileName, const std::string& fieldName)
 {
   CheckFileForRead(fileName);
-  MEDFileUtilities::AutoFid fid=MEDfileOpen(fileName,MED_ACC_RDONLY);
-  med_int nbFields=MEDnField(fid);
+  MEDFileUtilities::AutoFid fid=MEDfileOpen(fileName.c_str(),MED_ACC_RDONLY);
+  med_int nbFields(MEDnField(fid));
   std::vector<std::string> fields(nbFields);
   med_field_type typcha;
   for(int i=0;i<nbFields;i++)
     {
-      med_int ncomp=MEDfieldnComponent(fid,i+1);
+      med_int ncomp(MEDfieldnComponent(fid,i+1));
       INTERP_KERNEL::AutoPtr<char> comp=new char[ncomp*MED_SNAME_SIZE+1];
       INTERP_KERNEL::AutoPtr<char> unit=new char[ncomp*MED_SNAME_SIZE+1];
       INTERP_KERNEL::AutoPtr<char> dt_unit=MEDLoaderBase::buildEmptyString(MED_LNAME_SIZE);
@@ -426,7 +432,7 @@ std::vector< std::pair<std::string,std::string> > MEDLoader::GetComponentsNamesO
       med_bool localmesh;
       INTERP_KERNEL::AutoPtr<char> maa_ass=MEDLoaderBase::buildEmptyString(MED_NAME_SIZE);
       INTERP_KERNEL::AutoPtr<char> nomcha=MEDLoaderBase::buildEmptyString(MED_NAME_SIZE);
-      MEDfieldInfo(fid,i+1,nomcha,maa_ass,&localmesh,&typcha,comp,unit,dt_unit,&nbPdt);
+      MEDFILESAFECALLERRD0(MEDfieldInfo,(fid,i+1,nomcha,maa_ass,&localmesh,&typcha,comp,unit,dt_unit,&nbPdt));
       std::string meshName=MEDLoaderBase::buildStringFromFortran(maa_ass,MED_NAME_SIZE);
       std::string curFieldName=MEDLoaderBase::buildStringFromFortran(nomcha,MED_NAME_SIZE+1);
       if(curFieldName==fieldName)
@@ -434,7 +440,7 @@ std::vector< std::pair<std::string,std::string> > MEDLoader::GetComponentsNamesO
           std::vector< std::pair<std::string,std::string> > ret(ncomp);
           for(int j=0;j<ncomp;j++)
             ret[j]=std::pair<std::string,std::string>(MEDLoaderBase::buildStringFromFortran(((char *)comp)+j*MED_SNAME_SIZE,MED_SNAME_SIZE),
-                                                      MEDLoaderBase::buildStringFromFortran(((char *)unit)+j*MED_SNAME_SIZE,MED_SNAME_SIZE));
+                MEDLoaderBase::buildStringFromFortran(((char *)unit)+j*MED_SNAME_SIZE,MED_SNAME_SIZE));
           return ret;
         }
       fields[i]=curFieldName;
@@ -445,12 +451,12 @@ std::vector< std::pair<std::string,std::string> > MEDLoader::GetComponentsNamesO
   throw INTERP_KERNEL::Exception(oss.str().c_str());
 }
 
-std::vector<std::string> MEDLoader::GetMeshNamesOnField(const char *fileName, const char *fieldName)
+std::vector<std::string> MEDLoader::GetMeshNamesOnField(const std::string& fileName, const std::string& fieldName)
 {
   CheckFileForRead(fileName);
   std::vector<std::string> ret;
   //
-  MEDFileUtilities::AutoFid fid=MEDfileOpen(fileName,MED_ACC_RDONLY);
+  MEDFileUtilities::AutoFid fid=MEDfileOpen(fileName.c_str(),MED_ACC_RDONLY);
   med_int nbFields=MEDnField(fid);
   //
   med_field_type typcha;
@@ -460,12 +466,12 @@ std::vector<std::string> MEDLoader::GetMeshNamesOnField(const char *fileName, co
   //
   for(int i=0;i<nbFields;i++)
     {
-      med_int ncomp=MEDfieldnComponent(fid,i+1);
+      med_int ncomp(MEDfieldnComponent(fid,i+1));
       INTERP_KERNEL::AutoPtr<char> comp=new char[ncomp*MED_SNAME_SIZE+1];
       INTERP_KERNEL::AutoPtr<char> unit=new char[ncomp*MED_SNAME_SIZE+1];
       med_int nbPdt;
       INTERP_KERNEL::AutoPtr<char> maa_ass=MEDLoaderBase::buildEmptyString(MED_NAME_SIZE);
-      MEDfieldInfo(fid,i+1,nomcha,maa_ass,&localmesh,&typcha,comp,unit,dt_unit,&nbPdt);
+      MEDFILESAFECALLERRD0(MEDfieldInfo,(fid,i+1,nomcha,maa_ass,&localmesh,&typcha,comp,unit,dt_unit,&nbPdt));
       std::string meshName=MEDLoaderBase::buildStringFromFortran(maa_ass,MED_NAME_SIZE);
       std::string curFieldName=MEDLoaderBase::buildStringFromFortran(nomcha,MED_NAME_SIZE+1);
       if(curFieldName==fieldName)
@@ -474,23 +480,23 @@ std::vector<std::string> MEDLoader::GetMeshNamesOnField(const char *fileName, co
   return ret;
 }
 
-std::vector<std::string> MEDLoader::GetMeshFamiliesNames(const char *fileName, const char *meshName)
+std::vector<std::string> MEDLoader::GetMeshFamiliesNames(const std::string& fileName, const std::string& meshName)
 {
   CheckFileForRead(fileName);
-  MEDFileUtilities::AutoFid fid=MEDfileOpen(fileName,MED_ACC_RDONLY);
-  med_int nfam=MEDnFamily(fid,meshName);
+  MEDFileUtilities::AutoFid fid=MEDfileOpen(fileName.c_str(),MED_ACC_RDONLY);
+  med_int nfam=MEDnFamily(fid,meshName.c_str());
   std::vector<std::string> ret(nfam);
   char nomfam[MED_NAME_SIZE+1];
   med_int numfam;
   for(int i=0;i<nfam;i++)
     {
-      int ngro=MEDnFamilyGroup(fid,meshName,i+1);
-      med_int natt=MEDnFamily23Attribute(fid,meshName,i+1);
+      int ngro=MEDnFamilyGroup(fid,meshName.c_str(),i+1);
+      med_int natt=MEDnFamily23Attribute(fid,meshName.c_str(),i+1);
       INTERP_KERNEL::AutoPtr<med_int> attide=new med_int[natt];
       INTERP_KERNEL::AutoPtr<med_int> attval=new med_int[natt];
       INTERP_KERNEL::AutoPtr<char> attdes=new char[MED_COMMENT_SIZE*natt+1];
       INTERP_KERNEL::AutoPtr<char> gro=new char[MED_LNAME_SIZE*ngro+1];
-      MEDfamily23Info(fid,meshName,i+1,nomfam,attide,attval,attdes,&numfam,gro);
+      MEDfamily23Info(fid,meshName.c_str(),i+1,nomfam,attide,attval,attdes,&numfam,gro);
       std::string cur=MEDLoaderBase::buildStringFromFortran(nomfam,sizeof(nomfam));
       ret[i]=cur;
     }
@@ -498,23 +504,23 @@ std::vector<std::string> MEDLoader::GetMeshFamiliesNames(const char *fileName, c
 }
 
 
-std::vector<std::string> MEDLoader::GetMeshFamiliesNamesOnGroup(const char *fileName, const char *meshName, const char *grpName)
+std::vector<std::string> MEDLoader::GetMeshFamiliesNamesOnGroup(const std::string& fileName, const std::string& meshName, const std::string& grpName)
 {
   CheckFileForRead(fileName);
-  MEDFileUtilities::AutoFid fid=MEDfileOpen(fileName,MED_ACC_RDONLY);
-  med_int nfam=MEDnFamily(fid,meshName);
+  MEDFileUtilities::AutoFid fid=MEDfileOpen(fileName.c_str(),MED_ACC_RDONLY);
+  med_int nfam=MEDnFamily(fid,meshName.c_str());
   std::vector<std::string> ret;
   char nomfam[MED_NAME_SIZE+1];
   med_int numfam;
   for(int i=0;i<nfam;i++)
     {
-      int ngro=MEDnFamilyGroup(fid,meshName,i+1);
-      med_int natt=MEDnFamily23Attribute(fid,meshName,i+1);
+      int ngro=MEDnFamilyGroup(fid,meshName.c_str(),i+1);
+      med_int natt=MEDnFamily23Attribute(fid,meshName.c_str(),i+1);
       INTERP_KERNEL::AutoPtr<med_int> attide=new med_int[natt];
       INTERP_KERNEL::AutoPtr<med_int> attval=new med_int[natt];
       INTERP_KERNEL::AutoPtr<char> attdes=new char[MED_COMMENT_SIZE*natt+1];
       INTERP_KERNEL::AutoPtr<char> gro=new char[MED_LNAME_SIZE*ngro+1];
-      MEDfamily23Info(fid,meshName,i+1,nomfam,attide,attval,attdes,&numfam,gro);
+      MEDfamily23Info(fid,meshName.c_str(),i+1,nomfam,attide,attval,attdes,&numfam,gro);
       std::string cur=MEDLoaderBase::buildStringFromFortran(nomfam,sizeof(nomfam));
       for(int j=0;j<ngro;j++)
         {
@@ -526,24 +532,24 @@ std::vector<std::string> MEDLoader::GetMeshFamiliesNamesOnGroup(const char *file
   return ret;
 }
 
-std::vector<std::string> MEDLoader::GetMeshGroupsNamesOnFamily(const char *fileName, const char *meshName, const char *famName)
+std::vector<std::string> MEDLoader::GetMeshGroupsNamesOnFamily(const std::string& fileName, const std::string& meshName, const std::string& famName)
 {
   CheckFileForRead(fileName);
-  MEDFileUtilities::AutoFid fid=MEDfileOpen(fileName,MED_ACC_RDONLY);
-  med_int nfam=MEDnFamily(fid,meshName);
+  MEDFileUtilities::AutoFid fid=MEDfileOpen(fileName.c_str(),MED_ACC_RDONLY);
+  med_int nfam=MEDnFamily(fid,meshName.c_str());
   std::vector<std::string> ret;
   char nomfam[MED_NAME_SIZE+1];
   med_int numfam;
   bool found=false;
   for(int i=0;i<nfam && !found;i++)
     {
-      int ngro=MEDnFamilyGroup(fid,meshName,i+1);
-      med_int natt=MEDnFamily23Attribute(fid,meshName,i+1);
+      int ngro=MEDnFamilyGroup(fid,meshName.c_str(),i+1);
+      med_int natt=MEDnFamily23Attribute(fid,meshName.c_str(),i+1);
       INTERP_KERNEL::AutoPtr<med_int> attide=new med_int[natt];
       INTERP_KERNEL::AutoPtr<med_int> attval=new med_int[natt];
       INTERP_KERNEL::AutoPtr<char> attdes=new char[MED_COMMENT_SIZE*natt+1];
       INTERP_KERNEL::AutoPtr<char> gro=new char[MED_LNAME_SIZE*ngro+1];
-      MEDfamily23Info(fid,meshName,i+1,nomfam,attide,attval,attdes,&numfam,gro);
+      MEDfamily23Info(fid,meshName.c_str(),i+1,nomfam,attide,attval,attdes,&numfam,gro);
       std::string cur=MEDLoaderBase::buildStringFromFortran(nomfam,sizeof(nomfam));
       found=(cur==famName);
       if(found)
@@ -562,24 +568,24 @@ std::vector<std::string> MEDLoader::GetMeshGroupsNamesOnFamily(const char *fileN
   return ret;
 }
 
-  
-std::vector<std::string> MEDLoader::GetMeshGroupsNames(const char *fileName, const char *meshName)
+
+std::vector<std::string> MEDLoader::GetMeshGroupsNames(const std::string& fileName, const std::string& meshName)
 {
   CheckFileForRead(fileName);
-  MEDFileUtilities::AutoFid fid=MEDfileOpen(fileName,MED_ACC_RDONLY);
-  med_int nfam=MEDnFamily(fid,meshName);
+  MEDFileUtilities::AutoFid fid=MEDfileOpen(fileName.c_str(),MED_ACC_RDONLY);
+  med_int nfam=MEDnFamily(fid,meshName.c_str());
   std::vector<std::string> ret;
   char nomfam[MED_NAME_SIZE+1];
   med_int numfam;
   for(int i=0;i<nfam;i++)
     {
-      int ngro=MEDnFamilyGroup(fid,meshName,i+1);
-      med_int natt=MEDnFamily23Attribute(fid,meshName,i+1);
+      int ngro=MEDnFamilyGroup(fid,meshName.c_str(),i+1);
+      med_int natt=MEDnFamily23Attribute(fid,meshName.c_str(),i+1);
       INTERP_KERNEL::AutoPtr<med_int> attide=new med_int[natt];
       INTERP_KERNEL::AutoPtr<med_int> attval=new med_int[natt];
       INTERP_KERNEL::AutoPtr<char> attdes=new char[MED_COMMENT_SIZE*natt+1];
       INTERP_KERNEL::AutoPtr<char> gro=new char[MED_LNAME_SIZE*ngro+1];
-      MEDfamily23Info(fid,meshName,i+1,nomfam,attide,attval,attdes,&numfam,gro);
+      MEDfamily23Info(fid,meshName.c_str(),i+1,nomfam,attide,attval,attdes,&numfam,gro);
       for(int j=0;j<ngro;j++)
         {
           std::string cur=MEDLoaderBase::buildStringFromFortran(gro+j*MED_LNAME_SIZE,MED_LNAME_SIZE);
@@ -589,86 +595,50 @@ std::vector<std::string> MEDLoader::GetMeshGroupsNames(const char *fileName, con
     }
   return ret;
 }
-std::vector<ParaMEDMEM::TypeOfField> MEDLoader::GetTypesOfField(const char *fileName, const char *meshName, const char *fieldName)
+
+std::vector<ParaMEDMEM::TypeOfField> MEDLoader::GetTypesOfField(const std::string& fileName, const std::string& meshName, const std::string& fieldName)
 {
-  CheckFileForRead(fileName);
   std::vector<ParaMEDMEM::TypeOfField> ret;
-  MEDFileUtilities::AutoFid fid=MEDfileOpen(fileName,MED_ACC_RDONLY);
-  med_int nbFields=MEDnField(fid);
-  //
-  med_field_type typcha;
-  //med_int nbpdtnor=0,pflsize,*pflval,lnsize;
-  med_int numdt=0,numo=0;
-  med_float dt=0.0;
-  char pflname[MED_NAME_SIZE+1]="";
-  char locname[MED_NAME_SIZE+1]="";
-  char *maa_ass=MEDLoaderBase::buildEmptyString(MED_NAME_SIZE);
-  char *nomcha=MEDLoaderBase::buildEmptyString(MED_NAME_SIZE);
-  med_bool localmesh;
-  //
-  for(int i=0;i<nbFields;i++)
+  MEDCouplingAutoRefCountObjectPtr<MEDFileAnyTypeFieldMultiTS> fs(MEDFileAnyTypeFieldMultiTS::New(fileName,fieldName,false));
+  if(fs->getMeshName()!=meshName)
     {
-      med_int ncomp=MEDfieldnComponent(fid,i+1);
-      INTERP_KERNEL::AutoPtr<char> comp=new char[ncomp*MED_SNAME_SIZE+1];
-      INTERP_KERNEL::AutoPtr<char> unit=new char[ncomp*MED_SNAME_SIZE+1];
-      INTERP_KERNEL::AutoPtr<char> dt_unit=new char[MED_LNAME_SIZE+1];
-      med_int nbPdt;
-      MEDfieldInfo(fid,i+1,nomcha,maa_ass,&localmesh,&typcha,comp,unit,dt_unit,&nbPdt);
-      std::string curFieldName=MEDLoaderBase::buildStringFromFortran(nomcha,MED_NAME_SIZE+1);
-      std::string curMeshName=MEDLoaderBase::buildStringFromFortran(maa_ass,MED_NAME_SIZE+1);
-      if(curMeshName==meshName)
-        {
-          if(curFieldName==fieldName)
-            {
-              int profilesize,nbi;
-              if(nbPdt>0)
-                {
-                  bool found=false;
-                  for(int ii=0;ii<nbPdt && !found;ii++)
-                    {
-                      MEDfieldComputingStepInfo(fid,nomcha,1,&numdt,&numo,&dt);
-                      med_int nbOfVal=MEDfieldnValueWithProfile(fid,nomcha,numdt,numo,MED_NODE,MED_NONE,1,MED_COMPACT_PFLMODE,
-                                                                pflname,&profilesize,locname,&nbi);
-                      if(nbOfVal>0)
-                        {
-                          ret.push_back(ON_NODES);
-                          found=true;
-                        }
-                    }
-                }
-              bool found=false;
-              for(int j=0;j<MED_N_CELL_FIXED_GEO && !found;j++)
-                {
-                  if(nbPdt>0)
-                    {
-                      MEDfieldComputingStepInfo(fid,nomcha,1,&numdt,&numo,&dt);
-                      med_int nbOfVal=MEDfieldnValueWithProfile(fid,nomcha,numdt,numo,MED_CELL,typmai[j],1,MED_COMPACT_PFLMODE,
-                                                                pflname,&profilesize,locname,&nbi);
-                      if(nbOfVal>0)
-                        {
-                          found=true;
-                          ret.push_back(ON_CELLS);
-                        }
-                    }
-                }
-            }
-        }
+      std::ostringstream oss; oss << "MEDLoader::GetTypesOfField : The field \"" << fieldName << "\" in file \"" << fileName << "\" is not lying on mesh \"" << meshName << "\"";
+      oss << " The name of the mesh in file is \"" << fs->getMeshName() << "\"!";
+      throw INTERP_KERNEL::Exception(oss.str().c_str());
     }
-  delete [] maa_ass;
-  delete [] nomcha;
-  return ret;
+  int nbTS(fs->getNumberOfTS());
+  if(nbTS==0)
+    return ret;
+  for(int i=0;i<nbTS;i++)
+    {
+      MEDCouplingAutoRefCountObjectPtr<MEDFileAnyTypeField1TS> f1ts(fs->getTimeStepAtPos(i));
+      std::vector<ParaMEDMEM::TypeOfField> tof(f1ts->getTypesOfFieldAvailable());
+      for(std::vector<ParaMEDMEM::TypeOfField>::const_iterator it=tof.begin();it!=tof.end();it++)
+        if(std::find(ret.begin(),ret.end(),*it)==ret.end())
+          ret.push_back(*it);
+     }
+  // sort ret to put before ON_NODES then ON_CELLS then the remaining.
+  std::vector<ParaMEDMEM::TypeOfField> ret2;
+  if(std::find(ret.begin(),ret.end(),ON_NODES)!=ret.end())
+    ret2.push_back(ON_NODES);
+  if(std::find(ret.begin(),ret.end(),ON_CELLS)!=ret.end())
+    ret2.push_back(ON_CELLS);
+  for(std::vector<ParaMEDMEM::TypeOfField>::const_iterator it=ret.begin();it!=ret.end();it++)
+    if(*it!=ON_NODES && *it!=ON_CELLS)
+      ret2.push_back(*it);
+  return ret2;
 }
 
-std::vector<std::string> MEDLoader::GetAllFieldNames(const char *fileName)
+std::vector<std::string> MEDLoader::GetAllFieldNames(const std::string& fileName)
 {
   CheckFileForRead(fileName);
   std::vector<std::string> ret;
-  MEDFileUtilities::AutoFid fid=MEDfileOpen(fileName,MED_ACC_RDONLY);
+  MEDFileUtilities::AutoFid fid=MEDfileOpen(fileName.c_str(),MED_ACC_RDONLY);
   med_int nbFields=MEDnField(fid);
   med_field_type typcha;
   for(int i=0;i<nbFields;i++)
     {
-      med_int ncomp=MEDfieldnComponent(fid,i+1);
+      med_int ncomp(MEDfieldnComponent(fid,i+1));
       INTERP_KERNEL::AutoPtr<char> comp=new char[ncomp*MED_SNAME_SIZE+1];
       INTERP_KERNEL::AutoPtr<char> unit=new char[ncomp*MED_SNAME_SIZE+1];
       INTERP_KERNEL::AutoPtr<char> nomcha=MEDLoaderBase::buildEmptyString(MED_NAME_SIZE);
@@ -676,17 +646,17 @@ std::vector<std::string> MEDLoader::GetAllFieldNames(const char *fileName)
       INTERP_KERNEL::AutoPtr<char> dt_unit=new char[MED_LNAME_SIZE+1];
       med_int nbPdt;
       med_bool localmesh;
-      MEDfieldInfo(fid,i+1,nomcha,maa_ass,&localmesh,&typcha,comp,unit,dt_unit,&nbPdt);
+      MEDFILESAFECALLERRD0(MEDfieldInfo,(fid,i+1,nomcha,maa_ass,&localmesh,&typcha,comp,unit,dt_unit,&nbPdt));
       ret.push_back(std::string(nomcha));
     }
   return ret;
 }
 
-std::vector<std::string> MEDLoader::GetAllFieldNamesOnMesh(const char *fileName, const char *meshName)
+std::vector<std::string> MEDLoader::GetAllFieldNamesOnMesh(const std::string& fileName, const std::string& meshName)
 {
   CheckFileForRead(fileName);
   std::vector<std::string> ret;
-  MEDFileUtilities::AutoFid fid=MEDfileOpen(fileName,MED_ACC_RDONLY);
+  MEDFileUtilities::AutoFid fid=MEDfileOpen(fileName.c_str(),MED_ACC_RDONLY);
   med_int nbFields=MEDnField(fid);
   //
   med_field_type typcha;
@@ -695,13 +665,13 @@ std::vector<std::string> MEDLoader::GetAllFieldNamesOnMesh(const char *fileName,
   //
   for(int i=0;i<nbFields;i++)
     {
-      med_int ncomp=MEDfieldnComponent(fid,i+1);
+      med_int ncomp(MEDfieldnComponent(fid,i+1));
       INTERP_KERNEL::AutoPtr<char> comp=new char[ncomp*MED_SNAME_SIZE+1];
       INTERP_KERNEL::AutoPtr<char> unit=new char[ncomp*MED_SNAME_SIZE+1];
       INTERP_KERNEL::AutoPtr<char> dt_unit=new char[MED_LNAME_SIZE+1];
       med_int nbPdt;
       med_bool localmesh;
-      MEDfieldInfo(fid,i+1,nomcha,maa_ass,&localmesh,&typcha,comp,unit,dt_unit,&nbPdt);
+      MEDFILESAFECALLERRD0(MEDfieldInfo,(fid,i+1,nomcha,maa_ass,&localmesh,&typcha,comp,unit,dt_unit,&nbPdt));
       std::string curFieldName=MEDLoaderBase::buildStringFromFortran(nomcha,MED_NAME_SIZE+1);
       std::string curMeshName=MEDLoaderBase::buildStringFromFortran(maa_ass,MED_NAME_SIZE+1);
       //
@@ -713,25 +683,25 @@ std::vector<std::string> MEDLoader::GetAllFieldNamesOnMesh(const char *fileName,
   return ret;
 }
 
-std::vector<std::string> MEDLoader::GetFieldNamesOnMesh(ParaMEDMEM::TypeOfField type, const char *fileName, const char *meshName)
+std::vector<std::string> MEDLoader::GetFieldNamesOnMesh(ParaMEDMEM::TypeOfField type, const std::string& fileName, const std::string& meshName)
 {
   CheckFileForRead(fileName);
   switch(type)
-    {
+  {
     case ON_CELLS:
       return GetCellFieldNamesOnMesh(fileName,meshName);
     case ON_NODES:
       return GetNodeFieldNamesOnMesh(fileName,meshName);
     default:
       throw INTERP_KERNEL::Exception("Type of field specified not managed ! manages are ON_NODES or ON_CELLS !");
-    } 
+  }
 }
 
-std::vector<std::string> MEDLoader::GetCellFieldNamesOnMesh(const char *fileName, const char *meshName)
+std::vector<std::string> MEDLoader::GetCellFieldNamesOnMesh(const std::string& fileName, const std::string& meshName)
 {
   CheckFileForRead(fileName);
   std::vector<std::string> ret;
-  MEDFileUtilities::AutoFid fid=MEDfileOpen(fileName,MED_ACC_RDONLY);
+  MEDFileUtilities::AutoFid fid=MEDfileOpen(fileName.c_str(),MED_ACC_RDONLY);
   med_int nbFields=MEDnField(fid);
   //
   med_field_type typcha;
@@ -748,10 +718,10 @@ std::vector<std::string> MEDLoader::GetCellFieldNamesOnMesh(const char *fileName
   //
   for(int i=0;i<nbFields;i++)
     {
-      med_int ncomp=MEDfieldnComponent(fid,i+1);
+      med_int ncomp(MEDfieldnComponent(fid,i+1));
       INTERP_KERNEL::AutoPtr<char> comp=new char[ncomp*MED_SNAME_SIZE+1];
       INTERP_KERNEL::AutoPtr<char> unit=new char[ncomp*MED_SNAME_SIZE+1];
-      MEDfieldInfo(fid,i+1,nomcha,maa_ass,&localmesh,&typcha,comp,unit,dt_unit,&nbPdt);
+      MEDFILESAFECALLERRD0(MEDfieldInfo,(fid,i+1,nomcha,maa_ass,&localmesh,&typcha,comp,unit,dt_unit,&nbPdt));
       std::string curFieldName=MEDLoaderBase::buildStringFromFortran(nomcha,MED_NAME_SIZE+1);
       std::string curMeshName=MEDLoaderBase::buildStringFromFortran(maa_ass,MED_NAME_SIZE+1);
       int profilesize,nbi;
@@ -762,9 +732,9 @@ std::vector<std::string> MEDLoader::GetCellFieldNamesOnMesh(const char *fileName
             {
               if(nbPdt>0)
                 {
-                  MEDfieldComputingStepInfo(fid,nomcha,1,&numdt,&numo,&dt);
-                  med_int nbOfVal=MEDfieldnValueWithProfile(fid,nomcha,numdt,numo,MED_CELL,typmai[j],1,MED_COMPACT_PFLMODE,
-                                                            pflname,&profilesize,locname,&nbi);
+                  MEDFILESAFECALLERRD0(MEDfieldComputingStepInfo,(fid,nomcha,1,&numdt,&numo,&dt));
+                  med_int nbOfVal(MEDfieldnValueWithProfile(fid,nomcha,numdt,numo,MED_CELL,typmai[j],1,MED_COMPACT_PFLMODE,
+                                                            pflname,&profilesize,locname,&nbi));
                   if(nbOfVal>0)
                     {
                       found=true;
@@ -777,11 +747,11 @@ std::vector<std::string> MEDLoader::GetCellFieldNamesOnMesh(const char *fileName
   return ret;
 }
 
-std::vector<std::string> MEDLoader::GetNodeFieldNamesOnMesh(const char *fileName, const char *meshName)
+std::vector<std::string> MEDLoader::GetNodeFieldNamesOnMesh(const std::string& fileName, const std::string& meshName)
 {
   CheckFileForRead(fileName);
   std::vector<std::string> ret;
-  MEDFileUtilities::AutoFid fid=MEDfileOpen(fileName,MED_ACC_RDONLY);
+  MEDFileUtilities::AutoFid fid=MEDfileOpen(fileName.c_str(),MED_ACC_RDONLY);
   med_int nbFields=MEDnField(fid);
   char pflname[MED_NAME_SIZE+1]="";
   char locname[MED_NAME_SIZE+1]="";
@@ -796,19 +766,19 @@ std::vector<std::string> MEDLoader::GetNodeFieldNamesOnMesh(const char *fileName
   //
   for(int i=0;i<nbFields;i++)
     {
-      med_int ncomp=MEDfieldnComponent(fid,i+1);
+      med_int ncomp(MEDfieldnComponent(fid,i+1));
       INTERP_KERNEL::AutoPtr<char> comp=new char[ncomp*MED_SNAME_SIZE+1];
       INTERP_KERNEL::AutoPtr<char> unit=new char[ncomp*MED_SNAME_SIZE+1];
       med_int nbPdt;
-      MEDfieldInfo(fid,i+1,nomcha,maa_ass,&localmesh,&typcha,comp,unit,dt_unit,&nbPdt);
+      MEDFILESAFECALLERRD0(MEDfieldInfo,(fid,i+1,nomcha,maa_ass,&localmesh,&typcha,comp,unit,dt_unit,&nbPdt));
       std::string curFieldName=MEDLoaderBase::buildStringFromFortran(nomcha,MED_NAME_SIZE+1);
       std::string curMeshName=MEDLoaderBase::buildStringFromFortran(maa_ass,MED_NAME_SIZE+1);
       if(nbPdt>0)
         {
           int profilesize,nbi;
-          MEDfieldComputingStepInfo(fid,nomcha,1,&numdt,&numo,&dt);
-          med_int nbOfVal=MEDfieldnValueWithProfile(fid,nomcha,numdt,numo,MED_NODE,MED_NONE,1,MED_COMPACT_PFLMODE,
-                                                    pflname,&profilesize,locname,&nbi);
+          MEDFILESAFECALLERRD0(MEDfieldComputingStepInfo,(fid,nomcha,1,&numdt,&numo,&dt));
+          med_int nbOfVal(MEDfieldnValueWithProfile(fid,nomcha,numdt,numo,MED_NODE,MED_NONE,1,MED_COMPACT_PFLMODE,
+                                                    pflname,&profilesize,locname,&nbi));
           if(curMeshName==meshName && nbOfVal>0)
             {
               ret.push_back(curFieldName);
@@ -818,11 +788,11 @@ std::vector<std::string> MEDLoader::GetNodeFieldNamesOnMesh(const char *fileName
   return ret;
 }
 
-std::vector< std::pair< std::pair<int,int>, double> > MEDLoader::GetAllFieldIterations(const char *fileName, const char *fieldName)
+std::vector< std::pair< std::pair<int,int>, double> > MEDLoader::GetAllFieldIterations(const std::string& fileName, const std::string& fieldName)
 {
   CheckFileForRead(fileName);
   std::vector< std::pair< std::pair<int,int>, double > > ret;
-  MEDFileUtilities::AutoFid fid=MEDfileOpen(fileName,MED_ACC_RDONLY);
+  MEDFileUtilities::AutoFid fid=MEDfileOpen(fileName.c_str(),MED_ACC_RDONLY);
   med_int nbFields=MEDnField(fid);
   //
   med_field_type typcha;
@@ -836,17 +806,17 @@ std::vector< std::pair< std::pair<int,int>, double> > MEDLoader::GetAllFieldIter
   std::ostringstream oss; oss << "MEDLoader::GetAllFieldIterations : No field with name \"" << fieldName<< "\" in file \"" << fileName << "\" ! Possible fields are : ";
   for(int i=0;i<nbFields;i++)
     {
-      med_int ncomp=MEDfieldnComponent(fid,i+1);
+      med_int ncomp(MEDfieldnComponent(fid,i+1));
       INTERP_KERNEL::AutoPtr<char> comp=new char[ncomp*MED_SNAME_SIZE+1];
       INTERP_KERNEL::AutoPtr<char> unit=new char[ncomp*MED_SNAME_SIZE+1];
       med_int nbPdt;
-      MEDfieldInfo(fid,i+1,nomcha,maa_ass,&localmesh,&typcha,comp,unit,dt_unit,&nbPdt);
+      MEDFILESAFECALLERRD0(MEDfieldInfo,(fid,i+1,nomcha,maa_ass,&localmesh,&typcha,comp,unit,dt_unit,&nbPdt));
       std::string curFieldName=MEDLoaderBase::buildStringFromFortran(nomcha,MED_NAME_SIZE+1);
       if(curFieldName==fieldName)
         {
           for(int k=0;k<nbPdt;k++)
             {
-              MEDfieldComputingStepInfo(fid,nomcha,k+1,&numdt,&numo,&dt);
+              MEDFILESAFECALLERRD0(MEDfieldComputingStepInfo,(fid,nomcha,k+1,&numdt,&numo,&dt));
               ret.push_back(std::make_pair(std::make_pair(numdt,numo),dt));
             }
           return ret;
@@ -861,10 +831,10 @@ std::vector< std::pair< std::pair<int,int>, double> > MEDLoader::GetAllFieldIter
   throw INTERP_KERNEL::Exception(oss.str().c_str());
 }
 
-double MEDLoader::GetTimeAttachedOnFieldIteration(const char *fileName, const char *fieldName, int iteration, int order)
+double MEDLoader::GetTimeAttachedOnFieldIteration(const std::string& fileName, const std::string& fieldName, int iteration, int order)
 {
   CheckFileForRead(fileName);
-  MEDFileUtilities::AutoFid fid=MEDfileOpen(fileName,MED_ACC_RDONLY);
+  MEDFileUtilities::AutoFid fid=MEDfileOpen(fileName.c_str(),MED_ACC_RDONLY);
   med_int nbFields=MEDnField(fid);
   //
   med_field_type typcha;
@@ -880,18 +850,18 @@ double MEDLoader::GetTimeAttachedOnFieldIteration(const char *fileName, const ch
   double ret=std::numeric_limits<double>::max();
   for(int i=0;i<nbFields && !found;i++)
     {
-      med_int ncomp=MEDfieldnComponent(fid,i+1);
+      med_int ncomp(MEDfieldnComponent(fid,i+1));
       INTERP_KERNEL::AutoPtr<char> comp=new char[ncomp*MED_SNAME_SIZE+1];
       INTERP_KERNEL::AutoPtr<char> unit=new char[ncomp*MED_SNAME_SIZE+1];
       med_int nbPdt;
-      MEDfieldInfo(fid,i+1,nomcha,maa_ass,&local,&typcha,comp,unit,dt_unit,&nbPdt);
+      MEDFILESAFECALLERRD0(MEDfieldInfo,(fid,i+1,nomcha,maa_ass,&local,&typcha,comp,unit,dt_unit,&nbPdt));
       std::string curFieldName=MEDLoaderBase::buildStringFromFortran(nomcha,MED_NAME_SIZE+1);
       if(curFieldName==fieldName)
         {
           found=true;
           for(int k=0;k<nbPdt;k++)
             {
-              MEDfieldComputingStepInfo(fid,nomcha,k+1,&numdt,&numo,&dt);
+              MEDFILESAFECALLERRD0(MEDfieldComputingStepInfo,(fid,nomcha,k+1,&numdt,&numo,&dt));
               if(numdt==iteration && numo==order)
                 {
                   found2=true;
@@ -909,26 +879,26 @@ double MEDLoader::GetTimeAttachedOnFieldIteration(const char *fileName, const ch
   return ret;
 }
 
-std::vector< std::pair<int,int> > MEDLoader::GetFieldIterations(ParaMEDMEM::TypeOfField type, const char *fileName, const char *meshName, const char *fieldName)
+std::vector< std::pair<int,int> > MEDLoader::GetFieldIterations(ParaMEDMEM::TypeOfField type, const std::string& fileName, const std::string& meshName, const std::string& fieldName)
 {
   CheckFileForRead(fileName);
   switch(type)
-    {
+  {
     case ON_CELLS:
       return GetCellFieldIterations(fileName,meshName,fieldName);
     case ON_NODES:
       return GetNodeFieldIterations(fileName,meshName,fieldName);
     default:
       throw INTERP_KERNEL::Exception("Type of field specified not managed ! manages are ON_NODES or ON_CELLS !");
-    }
+  }
 }
 
-std::vector< std::pair<int,int> > MEDLoader::GetCellFieldIterations(const char *fileName, const char *meshName, const char *fieldName)
+std::vector< std::pair<int,int> > MEDLoader::GetCellFieldIterations(const std::string& fileName, const std::string& meshName, const std::string& fieldName)
 {
   CheckFileForRead(fileName);
   std::string meshNameCpp(meshName);
   std::vector< std::pair<int,int> > ret;
-  MEDFileUtilities::AutoFid fid=MEDfileOpen(fileName,MED_ACC_RDONLY);
+  MEDFileUtilities::AutoFid fid=MEDfileOpen(fileName.c_str(),MED_ACC_RDONLY);
   med_int nbFields=MEDnField(fid);
   //
   med_field_type typcha;
@@ -945,11 +915,11 @@ std::vector< std::pair<int,int> > MEDLoader::GetCellFieldIterations(const char *
   std::set<std::string> s2;
   for(int i=0;i<nbFields;i++)
     {
-      med_int ncomp=MEDfieldnComponent(fid,i+1);
+      med_int ncomp(MEDfieldnComponent(fid,i+1));
       INTERP_KERNEL::AutoPtr<char> comp=new char[ncomp*MED_SNAME_SIZE+1];
       INTERP_KERNEL::AutoPtr<char> unit=new char[ncomp*MED_SNAME_SIZE+1];
       med_int nbPdt;
-      MEDfieldInfo(fid,i+1,nomcha,maa_ass,&localmesh,&typcha,comp,unit,dt_unit,&nbPdt);
+      MEDFILESAFECALLERRD0(MEDfieldInfo,(fid,i+1,nomcha,maa_ass,&localmesh,&typcha,comp,unit,dt_unit,&nbPdt));
       std::string curFieldName=MEDLoaderBase::buildStringFromFortran(nomcha,MED_NAME_SIZE+1);
       if(curFieldName==fieldName)
         {
@@ -959,9 +929,9 @@ std::vector< std::pair<int,int> > MEDLoader::GetCellFieldIterations(const char *
               for(int k=0;k<nbPdt;k++)
                 {
                   int profilesize,nbi;
-                  MEDfieldComputingStepInfo(fid,nomcha,k+1,&numdt,&numo,&dt);
-                  med_int nbOfVal=MEDfieldnValueWithProfile(fid,nomcha,numdt,numo,MED_CELL,typmai[j],1,MED_COMPACT_PFLMODE,
-                                                            pflname,&profilesize,locname,&nbi);
+                  MEDFILESAFECALLERRD0(MEDfieldComputingStepInfo,(fid,nomcha,k+1,&numdt,&numo,&dt));
+                  med_int nbOfVal(MEDfieldnValueWithProfile(fid,nomcha,numdt,numo,MED_CELL,typmai[j],1,MED_COMPACT_PFLMODE,
+                                                            pflname,&profilesize,locname,&nbi));
                   std::string maa_ass_cpp(maa_ass);
                   if(nbOfVal>0)
                     {
@@ -995,12 +965,12 @@ std::vector< std::pair<int,int> > MEDLoader::GetCellFieldIterations(const char *
   return ret;
 }
 
-std::vector< std::pair<int,int> > MEDLoader::GetNodeFieldIterations(const char *fileName, const char *meshName, const char *fieldName)
+std::vector< std::pair<int,int> > MEDLoader::GetNodeFieldIterations(const std::string& fileName, const std::string& meshName, const std::string& fieldName)
 {
   CheckFileForRead(fileName);
   std::string meshNameCpp(meshName);
   std::vector< std::pair<int,int> > ret;
-  MEDFileUtilities::AutoFid fid=MEDfileOpen(fileName,MED_ACC_RDONLY);
+  MEDFileUtilities::AutoFid fid=MEDfileOpen(fileName.c_str(),MED_ACC_RDONLY);
   med_int nbFields=MEDnField(fid);
   //
   med_field_type typcha;
@@ -1017,28 +987,28 @@ std::vector< std::pair<int,int> > MEDLoader::GetNodeFieldIterations(const char *
   std::set<std::string> s2;
   for(int i=0;i<nbFields;i++)
     {
-      med_int ncomp=MEDfieldnComponent(fid,i+1);
+      med_int ncomp(MEDfieldnComponent(fid,i+1));
       INTERP_KERNEL::AutoPtr<char> comp=new char[ncomp*MED_SNAME_SIZE+1];
       INTERP_KERNEL::AutoPtr<char> unit=new char[ncomp*MED_SNAME_SIZE+1];
       med_int nbPdt;
-      MEDfieldInfo(fid,i+1,nomcha,maa_ass,&localmesh,&typcha,comp,unit,dt_unit,&nbPdt);
+      MEDFILESAFECALLERRD0(MEDfieldInfo,(fid,i+1,nomcha,maa_ass,&localmesh,&typcha,comp,unit,dt_unit,&nbPdt));
       std::string curFieldName=MEDLoaderBase::buildStringFromFortran(nomcha,MED_NAME_SIZE+1);
       if(curFieldName==fieldName)
         {
           for(int k=0;k<nbPdt;k++)
             {
               int profilesize,nbi;
-              MEDfieldComputingStepInfo(fid,nomcha,k+1,&numdt,&numo,&dt);
-              med_int nbOfVal=MEDfieldnValueWithProfile(fid,nomcha,numdt,numo,MED_NODE,MED_NONE,1,MED_COMPACT_PFLMODE,
-                                                        pflname,&profilesize,locname,&nbi);
-               std::string maa_ass_cpp(maa_ass);
-               if(nbOfVal>0)
-                 {
-                   if(meshNameCpp==maa_ass_cpp)
-                     { ret.push_back(std::make_pair(numdt,numo)); }
-                   else
-                     s2.insert(maa_ass_cpp);
-                 }
+              MEDFILESAFECALLERRD0(MEDfieldComputingStepInfo,(fid,nomcha,k+1,&numdt,&numo,&dt));
+              med_int nbOfVal(MEDfieldnValueWithProfile(fid,nomcha,numdt,numo,MED_NODE,MED_NONE,1,MED_COMPACT_PFLMODE,
+                                                        pflname,&profilesize,locname,&nbi));
+              std::string maa_ass_cpp(maa_ass);
+              if(nbOfVal>0)
+                {
+                  if(meshNameCpp==maa_ass_cpp)
+                    { ret.push_back(std::make_pair(numdt,numo)); }
+                  else
+                    s2.insert(maa_ass_cpp);
+                }
             }
         }
       else
@@ -1060,10 +1030,10 @@ std::vector< std::pair<int,int> > MEDLoader::GetNodeFieldIterations(const char *
   return ret;
 }
 
-ParaMEDMEM::MEDCouplingMesh *MEDLoader::ReadMeshFromFile(const char *fileName, const char *meshName, int meshDimRelToMax)
+ParaMEDMEM::MEDCouplingMesh *MEDLoader::ReadMeshFromFile(const std::string& fileName, const std::string& meshName, int meshDimRelToMax)
 {
   CheckFileForRead(fileName);
-  MEDCouplingAutoRefCountObjectPtr<MEDFileMesh> mm=MEDFileMesh::New(fileName,meshName);
+  MEDCouplingAutoRefCountObjectPtr<MEDFileMesh> mm(MEDFileMesh::New(fileName,meshName));
   MEDFileMesh *mmPtr(mm);
   MEDFileUMesh *mmuPtr=dynamic_cast<MEDFileUMesh *>(mmPtr);
   if(mmuPtr)
@@ -1084,10 +1054,10 @@ ParaMEDMEM::MEDCouplingMesh *MEDLoader::ReadMeshFromFile(const char *fileName, c
   throw INTERP_KERNEL::Exception(oss.str().c_str());
 }
 
-ParaMEDMEM::MEDCouplingMesh *MEDLoader::ReadMeshFromFile(const char *fileName, int meshDimRelToMax)
+ParaMEDMEM::MEDCouplingMesh *MEDLoader::ReadMeshFromFile(const std::string& fileName, int meshDimRelToMax)
 {
   CheckFileForRead(fileName);
-  MEDCouplingAutoRefCountObjectPtr<MEDFileMesh> mm=MEDFileMesh::New(fileName);
+  MEDCouplingAutoRefCountObjectPtr<MEDFileMesh> mm(MEDFileMesh::New(fileName));
   MEDFileMesh *mmPtr(mm);
   MEDFileUMesh *mmuPtr=dynamic_cast<MEDFileUMesh *>(mmPtr);
   if(mmuPtr)
@@ -1108,10 +1078,10 @@ ParaMEDMEM::MEDCouplingMesh *MEDLoader::ReadMeshFromFile(const char *fileName, i
   throw INTERP_KERNEL::Exception(oss.str().c_str());
 }
 
-ParaMEDMEM::MEDCouplingUMesh *MEDLoader::ReadUMeshFromFile(const char *fileName, const char *meshName, int meshDimRelToMax)
+ParaMEDMEM::MEDCouplingUMesh *MEDLoader::ReadUMeshFromFile(const std::string& fileName, const std::string& meshName, int meshDimRelToMax)
 {
   CheckFileForRead(fileName);
-  MEDCouplingAutoRefCountObjectPtr<MEDFileMesh> mm=MEDFileMesh::New(fileName,meshName);
+  MEDCouplingAutoRefCountObjectPtr<MEDFileMesh> mm(MEDFileMesh::New(fileName,meshName));
   MEDFileMesh *mmPtr(mm);
   MEDFileUMesh *mmuPtr=dynamic_cast<MEDFileUMesh *>(mmPtr);
   if(!mmuPtr)
@@ -1119,13 +1089,13 @@ ParaMEDMEM::MEDCouplingUMesh *MEDLoader::ReadUMeshFromFile(const char *fileName,
       std::ostringstream oss; oss << "MEDLoader::ReadUMeshFromFile : With fileName=\""<< fileName << "\", meshName=\""<< meshName << "\" exists but it is not an unstructured mesh !";
       throw INTERP_KERNEL::Exception(oss.str().c_str());
     }
- return  mmuPtr->getMeshAtLevel(meshDimRelToMax,true);
 return  mmuPtr->getMeshAtLevel(meshDimRelToMax,true);
 }
 
-ParaMEDMEM::MEDCouplingUMesh *MEDLoader::ReadUMeshFromFile(const char *fileName, int meshDimRelToMax)
+ParaMEDMEM::MEDCouplingUMesh *MEDLoader::ReadUMeshFromFile(const std::string& fileName, int meshDimRelToMax)
 {
   CheckFileForRead(fileName);
-  MEDCouplingAutoRefCountObjectPtr<MEDFileMesh> mm=MEDFileMesh::New(fileName);
+  MEDCouplingAutoRefCountObjectPtr<MEDFileMesh> mm(MEDFileMesh::New(fileName));
   MEDFileMesh *mmPtr(mm);
   MEDFileUMesh *mmuPtr=dynamic_cast<MEDFileUMesh *>(mmPtr);
   if(!mmuPtr)
@@ -1133,20 +1103,20 @@ ParaMEDMEM::MEDCouplingUMesh *MEDLoader::ReadUMeshFromFile(const char *fileName,
       std::ostringstream oss; oss << "MEDLoader::ReadUMeshFromFile : With fileName=\""<< fileName << "\", meshName (the first) =\""<< mm->getName() << "\" exists but it is not an unstructured mesh !";
       throw INTERP_KERNEL::Exception(oss.str().c_str());
     }
- return  mmuPtr->getMeshAtLevel(meshDimRelToMax,true);
 return  mmuPtr->getMeshAtLevel(meshDimRelToMax,true);
 }
 
-int MEDLoader::ReadUMeshDimFromFile(const char *fileName, const char *meshName)
+int MEDLoader::ReadUMeshDimFromFile(const std::string& fileName, const std::string& meshName)
 {
   CheckFileForRead(fileName);
   std::vector<int> poss;
   return MEDLoaderNS::readUMeshDimFromFile(fileName,meshName,poss);
 }
 
-ParaMEDMEM::MEDCouplingUMesh *MEDLoader::ReadUMeshFromFamilies(const char *fileName, const char *meshName, int meshDimRelToMax, const std::vector<std::string>& fams)
+ParaMEDMEM::MEDCouplingUMesh *MEDLoader::ReadUMeshFromFamilies(const std::string& fileName, const std::string& meshName, int meshDimRelToMax, const std::vector<std::string>& fams)
 {
   CheckFileForRead(fileName);
-  MEDCouplingAutoRefCountObjectPtr<MEDFileMesh> mm=MEDFileMesh::New(fileName,meshName);
+  MEDCouplingAutoRefCountObjectPtr<MEDFileMesh> mm(MEDFileMesh::New(fileName,meshName));
   MEDFileMesh *mmPtr(mm);
   MEDFileUMesh *mmuPtr=dynamic_cast<MEDFileUMesh *>(mmPtr);
   if(!mmuPtr)
@@ -1154,10 +1124,10 @@ ParaMEDMEM::MEDCouplingUMesh *MEDLoader::ReadUMeshFromFamilies(const char *fileN
       std::ostringstream oss; oss << "MEDLoader::ReadUMeshFromFamilies : With fileName=\""<< fileName << "\", meshName (the first) =\""<< mm->getName() << "\" exists but it is not an unstructured mesh !";
       throw INTERP_KERNEL::Exception(oss.str().c_str());
     }
-    return mmuPtr->getFamilies(meshDimRelToMax,fams,true);
+  return mmuPtr->getFamilies(meshDimRelToMax,fams,true);
 }
 
-ParaMEDMEM::MEDCouplingUMesh *MEDLoader::ReadUMeshFromGroups(const char *fileName, const char *meshName, int meshDimRelToMax, const std::vector<std::string>& grps)
+ParaMEDMEM::MEDCouplingUMesh *MEDLoader::ReadUMeshFromGroups(const std::string& fileName, const std::string& meshName, int meshDimRelToMax, const std::vector<std::string>& grps)
 {
   CheckFileForRead(fileName);
   MEDCouplingAutoRefCountObjectPtr<MEDFileMesh> mm=MEDFileMesh::New(fileName,meshName);
@@ -1168,14 +1138,14 @@ ParaMEDMEM::MEDCouplingUMesh *MEDLoader::ReadUMeshFromGroups(const char *fileNam
       std::ostringstream oss; oss << "MEDLoader::ReadUMeshFromGroups : With fileName=\""<< fileName << "\", meshName (the first) =\""<< mm->getName() << "\" exists but it is not an unstructured mesh !";
       throw INTERP_KERNEL::Exception(oss.str().c_str());
     }
-    return mmuPtr->getGroups(meshDimRelToMax,grps,true);
+  return mmuPtr->getGroups(meshDimRelToMax,grps,true);
 }
 
-ParaMEDMEM::MEDCouplingFieldDouble *MEDLoader::ReadField(ParaMEDMEM::TypeOfField type, const char *fileName, const char *meshName, int meshDimRelToMax, const char *fieldName, int iteration, int order)
+ParaMEDMEM::MEDCouplingFieldDouble *MEDLoader::ReadField(ParaMEDMEM::TypeOfField type, const std::string& fileName, const std::string& meshName, int meshDimRelToMax, const std::string& fieldName, int iteration, int order)
 {
   CheckFileForRead(fileName);
   switch(type)
-    {
+  {
     case ON_CELLS:
       return ReadFieldCell(fileName,meshName,meshDimRelToMax,fieldName,iteration,order);
     case ON_NODES:
@@ -1186,11 +1156,11 @@ ParaMEDMEM::MEDCouplingFieldDouble *MEDLoader::ReadField(ParaMEDMEM::TypeOfField
       return ReadFieldGaussNE(fileName,meshName,meshDimRelToMax,fieldName,iteration,order);
     default:
       throw INTERP_KERNEL::Exception("Type of field specified not managed ! manages are ON_NODES, ON_CELLS, ON_GAUSS_PT or ON_GAUSS_NE !");
-    } 
+  }
 }
 
-std::vector<ParaMEDMEM::MEDCouplingFieldDouble *> MEDLoader::ReadFieldsOnSameMesh(ParaMEDMEM::TypeOfField type, const char *fileName, const char *meshName, int meshDimRelToMax, const char *fieldName,
-                                                                                  const std::vector<std::pair<int,int> >& its) throw(INTERP_KERNEL::Exception)
+std::vector<ParaMEDMEM::MEDCouplingFieldDouble *> MEDLoader::ReadFieldsOnSameMesh(ParaMEDMEM::TypeOfField type, const std::string& fileName, const std::string& meshName, int meshDimRelToMax, const std::string& fieldName,
+                                                                                  const std::vector<std::pair<int,int> >& its)
 {
   if(its.empty())
     return std::vector<ParaMEDMEM::MEDCouplingFieldDouble *>();
@@ -1226,31 +1196,31 @@ std::vector<ParaMEDMEM::MEDCouplingFieldDouble *> MEDLoader::ReadFieldsOnSameMes
   return ret;
 }
 
-std::vector<ParaMEDMEM::MEDCouplingFieldDouble *> MEDLoader::ReadFieldsCellOnSameMesh(const char *fileName, const char *meshName, int meshDimRelToMax, const char *fieldName,
-                                                                                            const std::vector<std::pair<int,int> >& its) throw(INTERP_KERNEL::Exception)
+std::vector<ParaMEDMEM::MEDCouplingFieldDouble *> MEDLoader::ReadFieldsCellOnSameMesh(const std::string& fileName, const std::string& meshName, int meshDimRelToMax, const std::string& fieldName,
+                                                                                      const std::vector<std::pair<int,int> >& its)
 {
   return ReadFieldsOnSameMesh(ON_CELLS,fileName,meshName,meshDimRelToMax,fieldName,its);
 }
 
-std::vector<ParaMEDMEM::MEDCouplingFieldDouble *> MEDLoader::ReadFieldsNodeOnSameMesh(const char *fileName, const char *meshName, int meshDimRelToMax, const char *fieldName,
-                                                                                      const std::vector<std::pair<int,int> >& its) throw(INTERP_KERNEL::Exception)
+std::vector<ParaMEDMEM::MEDCouplingFieldDouble *> MEDLoader::ReadFieldsNodeOnSameMesh(const std::string& fileName, const std::string& meshName, int meshDimRelToMax, const std::string& fieldName,
+                                                                                      const std::vector<std::pair<int,int> >& its)
 {
   return ReadFieldsOnSameMesh(ON_NODES,fileName,meshName,meshDimRelToMax,fieldName,its);
 }
 
-std::vector<ParaMEDMEM::MEDCouplingFieldDouble *> MEDLoader::ReadFieldsGaussOnSameMesh(const char *fileName, const char *meshName, int meshDimRelToMax, const char *fieldName,
-                                                                                       const std::vector<std::pair<int,int> >& its) throw(INTERP_KERNEL::Exception)
+std::vector<ParaMEDMEM::MEDCouplingFieldDouble *> MEDLoader::ReadFieldsGaussOnSameMesh(const std::string& fileName, const std::string& meshName, int meshDimRelToMax, const std::string& fieldName,
+                                                                                       const std::vector<std::pair<int,int> >& its)
 {
   return ReadFieldsOnSameMesh(ON_GAUSS_PT,fileName,meshName,meshDimRelToMax,fieldName,its);
 }
 
-std::vector<ParaMEDMEM::MEDCouplingFieldDouble *> MEDLoader::ReadFieldsGaussNEOnSameMesh(const char *fileName, const char *meshName, int meshDimRelToMax, const char *fieldName,
-                                                                                         const std::vector<std::pair<int,int> >& its) throw(INTERP_KERNEL::Exception)
+std::vector<ParaMEDMEM::MEDCouplingFieldDouble *> MEDLoader::ReadFieldsGaussNEOnSameMesh(const std::string& fileName, const std::string& meshName, int meshDimRelToMax, const std::string& fieldName,
+                                                                                         const std::vector<std::pair<int,int> >& its)
 {
   return ReadFieldsOnSameMesh(ON_GAUSS_NE,fileName,meshName,meshDimRelToMax,fieldName,its);
 }
 
-ParaMEDMEM::MEDCouplingFieldDouble *MEDLoader::ReadFieldCell(const char *fileName, const char *meshName, int meshDimRelToMax, const char *fieldName, int iteration, int order)
+ParaMEDMEM::MEDCouplingFieldDouble *MEDLoader::ReadFieldCell(const std::string& fileName, const std::string& meshName, int meshDimRelToMax, const std::string& fieldName, int iteration, int order)
 {
   MEDCouplingAutoRefCountObjectPtr<MEDFileField1TS> ff=MEDFileField1TS::New(fileName,fieldName,iteration,order);
   MEDCouplingAutoRefCountObjectPtr<MEDFileMesh> mm=MEDFileMesh::New(fileName,meshName);
@@ -1267,7 +1237,7 @@ ParaMEDMEM::MEDCouplingFieldDouble *MEDLoader::ReadFieldCell(const char *fileNam
   return ret.retn();
 }
 
-ParaMEDMEM::MEDCouplingFieldDouble *MEDLoader::ReadFieldNode(const char *fileName, const char *meshName, int meshDimRelToMax, const char *fieldName, int iteration, int order)
+ParaMEDMEM::MEDCouplingFieldDouble *MEDLoader::ReadFieldNode(const std::string& fileName, const std::string& meshName, int meshDimRelToMax, const std::string& fieldName, int iteration, int order)
 {
   MEDCouplingAutoRefCountObjectPtr<MEDFileField1TS> ff=MEDFileField1TS::New(fileName,fieldName,iteration,order);
   MEDCouplingAutoRefCountObjectPtr<MEDFileMesh> mm=MEDFileMesh::New(fileName,meshName);
@@ -1309,7 +1279,7 @@ ParaMEDMEM::MEDCouplingFieldDouble *MEDLoader::ReadFieldNode(const char *fileNam
   return ret.retn();
 }
 
-ParaMEDMEM::MEDCouplingFieldDouble *MEDLoader::ReadFieldGauss(const char *fileName, const char *meshName, int meshDimRelToMax, const char *fieldName, int iteration, int order)
+ParaMEDMEM::MEDCouplingFieldDouble *MEDLoader::ReadFieldGauss(const std::string& fileName, const std::string& meshName, int meshDimRelToMax, const std::string& fieldName, int iteration, int order)
 {
   MEDCouplingAutoRefCountObjectPtr<MEDFileField1TS> ff=MEDFileField1TS::New(fileName,fieldName,iteration,order);
   MEDCouplingAutoRefCountObjectPtr<MEDFileMesh> mm=MEDFileMesh::New(fileName,meshName);
@@ -1326,7 +1296,7 @@ ParaMEDMEM::MEDCouplingFieldDouble *MEDLoader::ReadFieldGauss(const char *fileNa
   return ret.retn();
 }
 
-ParaMEDMEM::MEDCouplingFieldDouble *MEDLoader::ReadFieldGaussNE(const char *fileName, const char *meshName, int meshDimRelToMax, const char *fieldName, int iteration, int order)
+ParaMEDMEM::MEDCouplingFieldDouble *MEDLoader::ReadFieldGaussNE(const std::string& fileName, const std::string& meshName, int meshDimRelToMax, const std::string& fieldName, int iteration, int order)
 {
   MEDCouplingAutoRefCountObjectPtr<MEDFileField1TS> ff=MEDFileField1TS::New(fileName,fieldName,iteration,order);
   MEDCouplingAutoRefCountObjectPtr<MEDFileMesh> mm=MEDFileMesh::New(fileName,meshName);
@@ -1343,7 +1313,7 @@ ParaMEDMEM::MEDCouplingFieldDouble *MEDLoader::ReadFieldGaussNE(const char *file
   return ret.retn();
 }
 
-void MEDLoader::WriteMesh(const char *fileName, const ParaMEDMEM::MEDCouplingMesh *mesh, bool writeFromScratch)
+void MEDLoader::WriteMesh(const std::string& fileName, const ParaMEDMEM::MEDCouplingMesh *mesh, bool writeFromScratch)
 {
   if(!mesh)
     throw INTERP_KERNEL::Exception("MEDLoader::WriteMesh : input mesh is null !");
@@ -1357,7 +1327,8 @@ void MEDLoader::WriteMesh(const char *fileName, const ParaMEDMEM::MEDCouplingMes
   const MEDCoupling1GTUMesh *um2(dynamic_cast<const MEDCoupling1GTUMesh *>(mesh));
   if(um2)
     {
-      MEDCouplingAutoRefCountObjectPtr<MEDFileUMesh> mmu=MEDFileUMesh::New();
+      MEDCouplingAutoRefCountObjectPtr<MEDFileUMesh> mmu(MEDFileUMesh::New());
+      AssignStaticWritePropertiesTo(*mmu);
       mmu->setMeshAtLevel(0,const_cast<MEDCoupling1GTUMesh *>(um2));
       mmu->write(fileName,mod);
       return ;
@@ -1365,7 +1336,8 @@ void MEDLoader::WriteMesh(const char *fileName, const ParaMEDMEM::MEDCouplingMes
   const MEDCouplingCMesh *um3(dynamic_cast<const MEDCouplingCMesh *>(mesh));
   if(um3)
     {
-      MEDCouplingAutoRefCountObjectPtr<MEDFileCMesh> mmc=MEDFileCMesh::New();
+      MEDCouplingAutoRefCountObjectPtr<MEDFileCMesh> mmc(MEDFileCMesh::New());
+      AssignStaticWritePropertiesTo(*mmc);
       mmc->setMesh(const_cast<MEDCouplingCMesh *>(um3));
       mmc->write(fileName,mod);
       return ;
@@ -1373,7 +1345,8 @@ void MEDLoader::WriteMesh(const char *fileName, const ParaMEDMEM::MEDCouplingMes
   const MEDCouplingCurveLinearMesh *um4(dynamic_cast<const MEDCouplingCurveLinearMesh *>(mesh));
   if(um4)
     {
-      MEDCouplingAutoRefCountObjectPtr<MEDFileCurveLinearMesh> mmc=MEDFileCurveLinearMesh::New();
+      MEDCouplingAutoRefCountObjectPtr<MEDFileCurveLinearMesh> mmc(MEDFileCurveLinearMesh::New());
+      AssignStaticWritePropertiesTo(*mmc);
       mmc->setMesh(const_cast<MEDCouplingCurveLinearMesh *>(um4));
       mmc->write(fileName,mod);
       return ;
@@ -1381,23 +1354,24 @@ void MEDLoader::WriteMesh(const char *fileName, const ParaMEDMEM::MEDCouplingMes
   throw INTERP_KERNEL::Exception("MEDLoader::WriteMesh : only MEDCouplingUMesh, MEDCoupling1GTUMesh, MEDCouplingCMesh, MEDCouplingCurveLinear are dealed in this API for the moment !");
 }
 
-void MEDLoader::WriteUMesh(const char *fileName, const ParaMEDMEM::MEDCouplingUMesh *mesh, bool writeFromScratch)
+void MEDLoader::WriteUMesh(const std::string& fileName, const ParaMEDMEM::MEDCouplingUMesh *mesh, bool writeFromScratch)
 {
   if(!mesh)
     throw INTERP_KERNEL::Exception("MEDLoader::WriteUMesh : input mesh is null !");
   int mod=writeFromScratch?2:0;
-  MEDCouplingAutoRefCountObjectPtr<MEDFileUMesh> m=MEDFileUMesh::New();
+  MEDCouplingAutoRefCountObjectPtr<MEDFileUMesh> m(MEDFileUMesh::New());
+  AssignStaticWritePropertiesTo(*m);
   MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> mcpy(static_cast<MEDCouplingUMesh *>(mesh->deepCpy()));
   m->setMeshAtLevel(0,mcpy,true);
   m->write(fileName,mod);
 }
 
-void MEDLoader::WriteUMeshDep(const char *fileName, const ParaMEDMEM::MEDCouplingUMesh *mesh, bool writeFromScratch)
+void MEDLoader::WriteUMeshDep(const std::string& fileName, const ParaMEDMEM::MEDCouplingUMesh *mesh, bool writeFromScratch)
 {
   MEDLoader::WriteUMesh(fileName,mesh,writeFromScratch);
 }
 
-void MEDLoader::WriteUMeshesPartition(const char *fileName, const char *meshNameC, const std::vector<const ParaMEDMEM::MEDCouplingUMesh *>& meshes, bool writeFromScratch)
+void MEDLoader::WriteUMeshesPartition(const std::string& fileName, const std::string& meshNameC, const std::vector<const ParaMEDMEM::MEDCouplingUMesh *>& meshes, bool writeFromScratch)
 {
   std::string meshName(meshNameC);
   if(meshName.empty())
@@ -1408,29 +1382,32 @@ void MEDLoader::WriteUMeshesPartition(const char *fileName, const char *meshName
       std::ostringstream oss; oss << "File with name \'" << fileName << "\' has not valid permissions !";
       throw INTERP_KERNEL::Exception(oss.str().c_str());
     }
-  MEDCouplingAutoRefCountObjectPtr<MEDFileUMesh> m=MEDFileUMesh::New();
+  MEDCouplingAutoRefCountObjectPtr<MEDFileUMesh> m(MEDFileUMesh::New());
+  AssignStaticWritePropertiesTo(*m);
   m->setGroupsFromScratch(0,meshes,true);
   m->setName(meshNameC);
   int mod=writeFromScratch?2:0;
   m->write(fileName,mod);
 }
 
-void MEDLoader::WriteUMeshesPartitionDep(const char *fileName, const char *meshNameC, const std::vector<const ParaMEDMEM::MEDCouplingUMesh *>& meshes, bool writeFromScratch)
+void MEDLoader::WriteUMeshesPartitionDep(const std::string& fileName, const std::string& meshNameC, const std::vector<const ParaMEDMEM::MEDCouplingUMesh *>& meshes, bool writeFromScratch)
 {
   WriteUMeshesPartition(fileName,meshNameC,meshes,writeFromScratch);
 }
 
-void MEDLoader::WriteUMeshes(const char *fileName, const std::vector<const ParaMEDMEM::MEDCouplingUMesh *>& meshes, bool writeFromScratch)
+void MEDLoader::WriteUMeshes(const std::string& fileName, const std::vector<const ParaMEDMEM::MEDCouplingUMesh *>& meshes, bool writeFromScratch)
 {
   int mod=writeFromScratch?2:0;
-  MEDCouplingAutoRefCountObjectPtr<MEDFileUMesh> m=MEDFileUMesh::New();
+  MEDCouplingAutoRefCountObjectPtr<MEDFileUMesh> m(MEDFileUMesh::New());
+  AssignStaticWritePropertiesTo(*m);
   m->setMeshes(meshes,true);
   m->write(fileName,mod);
 }
 
-void MEDLoaderNS::writeFieldWithoutReadingAndMappingOfMeshInFile(const char *fileName, const ParaMEDMEM::MEDCouplingFieldDouble *f, bool writeFromScratch)
+void MEDLoaderNS::writeFieldWithoutReadingAndMappingOfMeshInFile(const std::string& fileName, const ParaMEDMEM::MEDCouplingFieldDouble *f, bool writeFromScratch)
 {
-  MEDCouplingAutoRefCountObjectPtr<MEDFileField1TS> ff=MEDFileField1TS::New();
+  MEDCouplingAutoRefCountObjectPtr<MEDFileField1TS> ff(MEDFileField1TS::New());
+  MEDLoader::AssignStaticWritePropertiesTo(*ff);
   MEDCouplingAutoRefCountObjectPtr<MEDCouplingFieldDouble> f2(f->deepCpy());
   const MEDCouplingMesh *m(f2->getMesh());
   const MEDCouplingUMesh *um(dynamic_cast<const MEDCouplingUMesh *>(m));
@@ -1441,9 +1418,10 @@ void MEDLoaderNS::writeFieldWithoutReadingAndMappingOfMeshInFile(const char *fil
   int mod=writeFromScratch?2:0;
   if(um)
     {
-      MEDCouplingAutoRefCountObjectPtr<MEDFileUMesh> mmu=MEDFileUMesh::New();
-      MEDCouplingAutoRefCountObjectPtr<DataArrayInt> o2n=um->getRenumArrForMEDFileFrmt();
-      MEDCouplingAutoRefCountObjectPtr<DataArrayInt> n2o=o2n->invertArrayO2N2N2O(o2n->getNumberOfTuples());
+      MEDCouplingAutoRefCountObjectPtr<MEDFileUMesh> mmu(MEDFileUMesh::New());
+      MEDLoader::AssignStaticWritePropertiesTo(*mmu);
+      MEDCouplingAutoRefCountObjectPtr<DataArrayInt> o2n(um->getRenumArrForMEDFileFrmt());
+      MEDCouplingAutoRefCountObjectPtr<DataArrayInt> n2o(o2n->invertArrayO2N2N2O(o2n->getNumberOfTuples()));
       f2->renumberCells(o2n->begin(),false);
       mmu->setMeshAtLevel(0,const_cast<MEDCouplingUMesh *>(static_cast<const MEDCouplingUMesh *>(f2->getMesh())));
       mmu->setRenumFieldArr(0,n2o);
@@ -1452,21 +1430,24 @@ void MEDLoaderNS::writeFieldWithoutReadingAndMappingOfMeshInFile(const char *fil
     }
   else if(um2)
     {
-      MEDCouplingAutoRefCountObjectPtr<MEDFileUMesh> mmu=MEDFileUMesh::New();
+      MEDCouplingAutoRefCountObjectPtr<MEDFileUMesh> mmu(MEDFileUMesh::New());
+      MEDLoader::AssignStaticWritePropertiesTo(*mmu);
       mmu->setMeshAtLevel(0,const_cast<MEDCoupling1GTUMesh *>(um2));
       ff->setFieldNoProfileSBT(f2);
       mmu->write(fileName,mod);
     }
   else if(um3)
     {
-      MEDCouplingAutoRefCountObjectPtr<MEDFileCMesh> mmc=MEDFileCMesh::New();
+      MEDCouplingAutoRefCountObjectPtr<MEDFileCMesh> mmc(MEDFileCMesh::New());
+      MEDLoader::AssignStaticWritePropertiesTo(*mmc);
       mmc->setMesh(const_cast<MEDCouplingCMesh *>(um3));
       ff->setFieldNoProfileSBT(f2);
       mmc->write(fileName,mod);
     }
   else if(um4)
     {
-      MEDCouplingAutoRefCountObjectPtr<MEDFileCurveLinearMesh> mmc=MEDFileCurveLinearMesh::New();
+      MEDCouplingAutoRefCountObjectPtr<MEDFileCurveLinearMesh> mmc(MEDFileCurveLinearMesh::New());
+      MEDLoader::AssignStaticWritePropertiesTo(*mmc);
       mmc->setMesh(const_cast<MEDCouplingCurveLinearMesh *>(um4));
       ff->setFieldNoProfileSBT(f2);
       mmc->write(fileName,mod);
@@ -1476,7 +1457,7 @@ void MEDLoaderNS::writeFieldWithoutReadingAndMappingOfMeshInFile(const char *fil
   ff->write(fileName,0);
 }
 
-void MEDLoader::WriteField(const char *fileName, const ParaMEDMEM::MEDCouplingFieldDouble *f, bool writeFromScratch)
+void MEDLoader::WriteField(const std::string& fileName, const ParaMEDMEM::MEDCouplingFieldDouble *f, bool writeFromScratch)
 {
   if(!f)
     throw INTERP_KERNEL::Exception("MEDLoader::WriteField : input field is NULL !");
@@ -1501,7 +1482,8 @@ void MEDLoader::WriteField(const char *fileName, const ParaMEDMEM::MEDCouplingFi
         MEDLoaderNS::writeFieldWithoutReadingAndMappingOfMeshInFile(fileName,f,false);
       else
         {
-          MEDCouplingAutoRefCountObjectPtr<MEDFileMesh> mm=MEDFileMesh::New(fileName,f->getMesh()->getName().c_str());
+          MEDCouplingAutoRefCountObjectPtr<MEDFileMesh> mm(MEDFileMesh::New(fileName,f->getMesh()->getName().c_str()));
+          AssignStaticWritePropertiesTo(*mm);
           const MEDFileMesh *mmPtr(mm);
           const MEDFileUMesh *mmuPtr=dynamic_cast<const MEDFileUMesh *>(mmPtr);
           if(!mmuPtr)
@@ -1525,7 +1507,8 @@ void MEDLoader::WriteField(const char *fileName, const ParaMEDMEM::MEDCouplingFi
                   std::ostringstream oss; oss << "MEDLoader::WriteField : The file \""<< fileName << "\" already contains a mesh named \""<< f->getMesh()->getName() << "\" and this mesh in the file is not compatible (a subpart) with the mesh you intend to write ! This is maybe due to a too strict policy ! Try with to lease it by calling SetCompPolicyForCell !";
                   throw INTERP_KERNEL::Exception(oss.str().c_str());
                 }
-              MEDCouplingAutoRefCountObjectPtr<MEDFileField1TS> f1ts=MEDFileField1TS::New();
+              MEDCouplingAutoRefCountObjectPtr<MEDFileField1TS> f1ts(MEDFileField1TS::New());
+              AssignStaticWritePropertiesTo(*f1ts);
               if(part->isIdentity() && part->getNumberOfTuples()==mread->getNumberOfCells())
                 f1ts->setFieldNoProfileSBT(f2);
               else
@@ -1546,7 +1529,8 @@ void MEDLoader::WriteField(const char *fileName, const ParaMEDMEM::MEDCouplingFi
                   std::ostringstream oss; oss << "MEDLoader::WriteField : The file \""<< fileName << "\" already contains a mesh named \""<< f->getMesh()->getName() << "\" and this mesh in the file is not compatible (a subpart regarding nodes) with the mesh you intend to write ! This is maybe due to a too strict epsilon ! Try with to lease it by calling SetEpsilonForNodeComp !";
                   throw INTERP_KERNEL::Exception(oss.str().c_str());
                 }
-              MEDCouplingAutoRefCountObjectPtr<MEDFileField1TS> f1ts=MEDFileField1TS::New();
+              MEDCouplingAutoRefCountObjectPtr<MEDFileField1TS> f1ts(MEDFileField1TS::New());
+              AssignStaticWritePropertiesTo(*f1ts);
               if(part->isIdentity() && part->getNumberOfTuples()==mread->getNumberOfNodes())
                 f1ts->setFieldNoProfileSBT(f2);
               else
@@ -1560,12 +1544,12 @@ void MEDLoader::WriteField(const char *fileName, const ParaMEDMEM::MEDCouplingFi
     }
 }
 
-void MEDLoader::WriteFieldDep(const char *fileName, const ParaMEDMEM::MEDCouplingFieldDouble *f, bool writeFromScratch)
+void MEDLoader::WriteFieldDep(const std::string& fileName, const ParaMEDMEM::MEDCouplingFieldDouble *f, bool writeFromScratch)
 {
   WriteField(fileName,f,writeFromScratch);
 }
 
-void MEDLoader::WriteFieldUsingAlreadyWrittenMesh(const char *fileName, const ParaMEDMEM::MEDCouplingFieldDouble *f)
+void MEDLoader::WriteFieldUsingAlreadyWrittenMesh(const std::string& fileName, const ParaMEDMEM::MEDCouplingFieldDouble *f)
 {
   if(!f)
     throw INTERP_KERNEL::Exception("MEDLoader::WriteFieldUsingAlreadyWrittenMesh : input field is null !");
@@ -1576,13 +1560,17 @@ void MEDLoader::WriteFieldUsingAlreadyWrittenMesh(const char *fileName, const Pa
       std::ostringstream oss; oss << "File with name \'" << fileName << "\' has not valid permissions or not exists !";
       throw INTERP_KERNEL::Exception(oss.str().c_str());
     }
-  MEDCouplingAutoRefCountObjectPtr<MEDFileField1TS> f1ts=MEDFileField1TS::New();
-  MEDCouplingUMesh *m=dynamic_cast<MEDCouplingUMesh *>(const_cast<MEDCouplingMesh *>(f->getMesh()));
-  if(!m)
-    throw INTERP_KERNEL::Exception("MEDLoader::WriteFieldUsingAlreadyWrittenMesh : only umesh in input field supported !");
-  MEDCouplingAutoRefCountObjectPtr<DataArrayInt> o2n=m->getRenumArrForMEDFileFrmt();
-  MEDCouplingAutoRefCountObjectPtr<MEDCouplingFieldDouble> f2(f->deepCpy());
-  f2->renumberCells(o2n->begin(),false);
-  f1ts->setFieldNoProfileSBT(f2);
+  MEDCouplingAutoRefCountObjectPtr<MEDFileField1TS> f1ts(MEDFileField1TS::New());
+  AssignStaticWritePropertiesTo(*f1ts);
+  MEDCouplingUMesh *m(dynamic_cast<MEDCouplingUMesh *>(const_cast<MEDCouplingMesh *>(f->getMesh())));
+  if(m)
+    {
+      MEDCouplingAutoRefCountObjectPtr<DataArrayInt> o2n(m->getRenumArrForMEDFileFrmt());
+      MEDCouplingAutoRefCountObjectPtr<MEDCouplingFieldDouble> f2(f->deepCpy());
+      f2->renumberCells(o2n->begin(),false);
+      f1ts->setFieldNoProfileSBT(f2);
+    }
+  else
+    f1ts->setFieldNoProfileSBT(f);
   f1ts->write(fileName,0);
 }