# MEDlFichDes.c

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    00001 /*  This file is part of MED.
    00002  *
    00003  *  COPYRIGHT (C) 1999 - 2012  EDF R&D, CEA/DEN
    00004  *  MED is free software: you can redistribute it and/or modify
    00005  *  it under the terms of the GNU Lesser General Public License as published by
    00006  *  the Free Software Foundation, either version 3 of the License, or
    00007  *  (at your option) any later version.
    00008  *
    00009  *  MED is distributed in the hope that it will be useful,
    00010  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
    00011  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    00012  *  GNU Lesser General Public License for more details.
    00013  *
    00014  *  You should have received a copy of the GNU Lesser General Public License
    00015  *  along with MED.  If not, see <http://www.gnu.org/licenses/>.
    00016  */
    00017
    00018
    00019 #include <med.h>
    00020 #include <med_config.h>
    00021 #include <med_outils.h>
    00022 #include <string.h>
    00023
    00024 med_int
    00025 MEDlFichDes(med_idt fid)
    00026 {
    00027   med_idt attr, root;
    00028   med_err ret=0;
    00029   char des[MED_TAILLE_DESC+1];
    00030   med_int longueur=0;
    00031   char nom[MED_TAILLE_NOM+1];
    00032   char chemin[MED_TAILLE_MAA+1];
    00033
    00034   /*
    00035    * On inhibe le gestionnaire d'erreur HDF
    00036    */
    00037   _MEDmodeErreurVerrouiller();
    00038 if (MEDcheckVersion(fid) < 0) return -1;
    00039
    00040
    00041   /*
    00042    * On ouvre le Data Group racine
    00043    */
    00044   strncpy(chemin,MED_MAA,MED_TAILLE_MAA-1);
    00045   chemin[MED_TAILLE_MAA-1] = '\0';
    00046   if ((root = _MEDdatagroupOuvrir(fid,chemin)) < 0)
    00047     return -1;
    00048
    00049   /*
    00050    * On regarde si l'attribut existe
    00051    * Si non => erreur
    00052    * Si oui => on retourne sa longueur
    00053    */
    00054   strcpy(nom,MED_NOM_DESCRIPTEUR);
    00055
    00056   if ((attr = _MEDattrOuvrir(root,nom)) < 0) {
    00057     _MEDdatagroupFermer(root);
    00058     longueur=0;
    00059     return 0;
    00060   }
    00061
    00062   if ((ret = _MEDattrFermer(attr)) < 0) {
    00063     _MEDdatagroupFermer(root);
    00064     return -1;
    00065   }
    00066
    00067   if ((ret = _MEDattrStringLire(root,nom,MED_TAILLE_DESC,des)) < 0) {
    00068     _MEDdatagroupFermer(root);
    00069     return -1;
    00070   }
    00071
    00072   longueur = strlen(des);
    00073
    00074   /*
    00075    * fermetures
    00076    */
    00077   if ( _MEDdatagroupFermer(root) < 0)
    00078     return -1;
    00079
    00080   return longueur;
    00081 }