MEDfieldnComponentByName.c
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/* This file is part of MED.
*
* COPYRIGHT (C) 1999 - 2021 EDF R&D, CEA/DEN
* MED 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 3 of the License, or
* (at your option) any later version.
*
* MED is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with MED. If not, see <http://www.gnu.org/licenses/>.
*/
#include <med.h>
#include <med_config.h>
#include <string.h>
#include <stdlib.h>
#include <med_outils.h>
med_int
MEDfieldnComponentByName(const med_idt fid, const char * const fieldname)
{
med_err _ret =-1;
med_idt _datagroup=0;
char _datagroupname[MED_NAME_SIZE+1]="";
char _path [MED_FIELD_GRP_SIZE+MED_NAME_SIZE+1]=MED_FIELD_GRP;
med_int _n;
/*
* On inhibe le gestionnaire d'erreur HDF
*/
_MEDmodeErreurVerrouiller();
strcat(_path,fieldname);
/*
* On recupere le nombre de composants
*/
if ((_datagroup = _MEDdatagroupOuvrir(fid,_path)) < 0) {
MED_ERR_(_ret,MED_ERR_OPEN,MED_ERR_DATAGROUP,_path);
goto ERROR;
}
if ( _MEDattrEntierLire(_datagroup,MED_NOM_NCO,&_n) < 0) {
MED_ERR_(_ret,MED_ERR_READ,MED_ERR_ATTRIBUTE,MED_NOM_NCO);
SSCRUTE(_path);goto ERROR;
}
if (_MEDdatagroupFermer(_datagroup) < 0) {
MED_ERR_(_ret,MED_ERR_CLOSE,MED_ERR_DATAGROUP,_path);
goto ERROR;
}
_ret = (med_int) _n;
ERROR:
return _ret;
}
MED_FIELD_GRP_SIZE
#define MED_FIELD_GRP_SIZE
Definition: med_outils.h:170
_MEDdatagroupFermer
MEDC_EXPORT med_err _MEDdatagroupFermer(med_idt id)
med_idt
hid_t med_idt
Definition: med.h:331
MED_ERR_
#define MED_ERR_(rt, r1, r2, r3)
Definition: med_utils.h:160
MED_ERR_ATTRIBUTE
#define MED_ERR_ATTRIBUTE
Definition: med_err.h:100
med_err
herr_t med_err
Definition: med.h:332
MED_ERR_CLOSE
#define MED_ERR_CLOSE
Definition: med_err.h:30
MED_NOM_NCO
#define MED_NOM_NCO
Definition: med_outils.h:48
MED_ERR_OPEN
#define MED_ERR_OPEN
Definition: med_err.h:37
med_int
int med_int
Definition: med.h:342
med.h
MED_ERR_READ
#define MED_ERR_READ
Definition: med_err.h:28
SSCRUTE
#define SSCRUTE(chaine)
Definition: med_utils.h:323
MED_ERR_DATAGROUP
#define MED_ERR_DATAGROUP
Definition: med_err.h:99
MED_NAME_SIZE
#define MED_NAME_SIZE
Definition: med.h:81
med_outils.h
med_config.h
_MEDattrEntierLire
#define _MEDattrEntierLire(x, y, z)
Definition: med_hdfi.h:68
MED_FIELD_GRP
#define MED_FIELD_GRP
Definition: med_outils.h:169
MEDfieldnComponentByName
med_int MEDfieldnComponentByName(const med_idt fid, const char *const fieldname)
Cette fonction lit le nombre de composantes d'un champ (accès direct à partir du nom du champ).
Definition: MEDfieldnComponentByName.c:34
_MEDdatagroupOuvrir
MEDC_EXPORT med_idt _MEDdatagroupOuvrir(med_idt pid, const char *const nom)
_MEDmodeErreurVerrouiller
MEDC_EXPORT void _MEDmodeErreurVerrouiller(void)