text: /*
   * Copyright (c) 2005-2017 National Technology & Engineering Solutions
   * of Sandia, LLC (NTESS).  Under the terms of Contract DE-NA0003525 with
   * NTESS, the U.S. Government retains certain rights in this software.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are
   * met:
   *
   *     * Redistributions of source code must retain the above copyright
   *       notice, this list of conditions and the following disclaimer.
   *
   *     * Redistributions in binary form must reproduce the above
   *       copyright notice, this list of conditions and the following
   *       disclaimer in the documentation and/or other materials provided
   *       with the distribution.
   *
   *     * Neither the name of NTESS nor the names of its
   *       contributors may be used to endorse or promote products derived
   *       from this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
   * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   *
   */
  /*****************************************************************************
   *
   * exgnam - ex_get_name
   *
   * entry conditions -
   *   input parameters:
   *       int     exoid          exodus file id
   *       const char *type       entity type - M, E, S
   *       int     entity_id      id of entity name to read
   *
   * exit conditions -
   *       char*   name           ptr to name
   *
   * revision history -
   *
   *
   *****************************************************************************/
  
  #include "exodusII.h"     // for ex_inquire_int, etc
  #include "exodusII_int.h" // for EX_FATAL, etc
  #include "vtk_netcdf.h"       // for NC_NOERR, nc_inq_varid
  #include <stdio.h>
  
  /*
   * reads the specified entity name from the database
   */
  
  int ex_get_name(int exoid, ex_entity_type obj_type, ex_entity_id entity_id, char *name)
  {
    int   status;
    int   varid, ent_ndx;
    char  errmsg[MAX_ERR_LENGTH];
    char *vobj = NULL;
  
    EX_FUNC_ENTER();
    ex_check_valid_file_id(exoid, __func__);
  
    switch (obj_type) {
    case EX_ELEM_BLOCK: vobj = VAR_NAME_EL_BLK; break;
    case EX_EDGE_BLOCK: vobj = VAR_NAME_ED_BLK; break;
    case EX_FACE_BLOCK: vobj = VAR_NAME_FA_BLK; break;
    case EX_NODE_SET: vobj = VAR_NAME_NS; break;
    case EX_SIDE_SET: vobj = VAR_NAME_SS; break;
    case EX_EDGE_SET: vobj = VAR_NAME_ES; break;
    case EX_FACE_SET: vobj = VAR_NAME_FS; break;
    case EX_ELEM_SET: vobj = VAR_NAME_ELS; break;
    case EX_NODE_MAP: vobj = VAR_NAME_NM; break;
    case EX_EDGE_MAP: vobj = VAR_NAME_EDM; break;
    case EX_FACE_MAP: vobj = VAR_NAME_FAM; break;
    case EX_ELEM_MAP: vobj = VAR_NAME_EM; break;
    default:
      /* invalid variable type */
      snprintf(errmsg, MAX_ERR_LENGTH, "ERROR: Invalid type specified in file id %d", exoid);
      ex_err(__func__, errmsg, EX_BADPARAM);
      EX_FUNC_LEAVE(EX_FATAL);
    }
  
    if ((status = nc_inq_varid(exoid, vobj, &varid)) == NC_NOERR) {
      /* If this is a null entity, then 'ent_ndx' will be negative.
       * We don't care in this __func__, so make it positive and continue...
       */
      ent_ndx = ex_id_lkup(exoid, obj_type, entity_id);
      if (ent_ndx < 0) {
        ent_ndx = -ent_ndx;
      }
  
      /* read the name */
      {
        int db_name_size  = ex_inquire_int(exoid, EX_INQ_DB_MAX_ALLOWED_NAME_LENGTH);
        int api_name_size = ex_inquire_int(exoid, EX_INQ_MAX_READ_NAME_LENGTH);
        int name_size     = db_name_size < api_name_size ? db_name_size : api_name_size;
  
        status = ex_get_name_internal(exoid, varid, ent_ndx - 1, name, name_size, obj_type, __func__);
        if (status != NC_NOERR) {
          EX_FUNC_LEAVE(EX_FATAL);
        }
      }
    }
    else {
      /* Name variable does not exist on the database; probably since this is an
       * older version of the database.  Return an empty array...
       */
      name[0] = '\0';
    }
    EX_FUNC_LEAVE(EX_NOERR);
  }
  