MEDparFileOpen.c

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00001 /*  This file is part of MED.
00002  *
00003  *  COPYRIGHT (C) 1999 - 2011  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 #define MED_HAVE_MPI
00020 
00021 #include <med.h>
00022 #include <med_config.h>
00023 #include <med_outils.h>
00024 
00025 #include <mpi.h>
00026 
00027 #ifdef PPRO_NT
00028 #define F_OK 0
00029 #else
00030 #include <unistd.h>
00031 #endif
00032 
00033 
00034 med_access_mode MED_ACCESS_MODE;
00035 
00049 /*#define true 1*/
00050 
00051 med_idt
00052 MEDparFileOpen(const char* const filename,
00053                const med_access_mode accessmode,
00054                const MPI_Comm comm, const MPI_Info info)
00055 {
00056   med_idt _fid = -1;
00057 
00058   /*
00059    * On inhibe le gestionnaire d'erreur HDF
00060    */
00061   _MEDmodeErreurVerrouiller();
00062 
00063   /*
00064    * On ouvre le fichier MED sous HDF
00065    */
00066   switch(accessmode)
00067     {
00068     case MED_ACC_RDONLY :
00069       if (access(filename,F_OK)) {
00070         MED_ERR_(_fid,MED_ERR_DOESNTEXIST,MED_ERR_FILE,filename);
00071         goto ERROR;
00072 
00073       } else {
00074         if ((_fid = _MEDparFileOpen((char*) filename, accessmode, comm, info)) < 0) {
00075           MED_ERR_(_fid,MED_ERR_OPEN,MED_ERR_FILE,filename);
00076           goto ERROR;
00077         }
00078       };
00079       break;
00080 
00081     case MED_ACC_RDWR :
00082       if (access(filename,F_OK)) {
00083         if ((_fid = _MEDparFileCreate((char*) filename,accessmode, comm, info)) < 0) {
00084           MED_ERR_(_fid,MED_ERR_CREATE,MED_ERR_FILE,filename);
00085           goto ERROR;
00086         }
00087       } else
00088         if ((_fid = _MEDparFileOpen((char*) filename,accessmode, comm, info)) < 0) {
00089           MED_ERR_(_fid,MED_ERR_OPEN,MED_ERR_FILE,filename);
00090           goto ERROR;
00091         }
00092       break;
00093 
00094     case MED_ACC_RDEXT :
00095       if (access(filename,F_OK))
00096         {
00097           if ((_fid = _MEDparFileCreate((char*) filename,accessmode, comm, info)) < 0) {
00098             MED_ERR_(_fid,MED_ERR_CREATE,MED_ERR_FILE,filename);
00099             goto ERROR;
00100           }
00101         } else
00102 
00103         if ((_fid = _MEDparFileOpen((char *) filename, accessmode, comm, info)) < 0) {
00104           MED_ERR_(_fid,MED_ERR_OPEN,MED_ERR_FILE,filename);
00105           goto ERROR;
00106         }
00107       break;
00108 
00109     case MED_ACC_CREAT :
00110       if ((_fid = _MEDparFileCreate((char *) filename,MED_ACC_RDWR, comm, info)) < 0) {
00111         MED_ERR_(_fid,MED_ERR_CREATE,MED_ERR_FILE,filename);
00112         goto ERROR;
00113       }
00114       break;
00115 
00116     default :
00117       MED_ERR_(_fid,MED_ERR_RANGE,MED_ERR_PARAMETER,"");
00118       ISCRUTE_int(accessmode);
00119       goto ERROR;
00120     }
00121 
00122 
00123  ERROR:
00124 
00125   return _fid;
00126 }

Généré le Mon May 16 17:10:23 2011 pour MED fichier par  doxygen 1.6.1