expinf.c

一个用来实现偏微分方程中网格的计算库

/*
 * Copyright (c) 2005 Sandia Corporation. Under the terms of Contract
 * DE-AC04-94AL85000 with Sandia Corporation, the U.S. Governement
 * 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 Sandia Corporation 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.
 * 
 */
/*****************************************************************************
*
* expinf - ex_put_info
*
* entry conditions - 
*   input parameters:
*       int     exoid                   exodus file id
*       char*   info[]                  ptr array of info records
*
* exit conditions - 
*
* revision history - 
*
*  $Id: expinf.c 2928 2008-07-11 17:45:07Z friedmud $
*
*****************************************************************************/

#include "exodusII.h"
#include "exodusII_int.h"
#include <string.h>

/*!
 * writes information records to the database
 *  \param  exoid                   exodus file id
 *  \param  num_info                count of info records to be written.
 *  \param  info[]                  ptr array of info records
 */

int ex_put_info (int   exoid, 
                 int   num_info,
                 char *info[])
{
  int status;
  int i, lindim, num_info_dim, dims[2], varid;
  size_t start[2], count[2];
  char errmsg[MAX_ERR_LENGTH];

  exerrval = 0; /* clear error code */

  /* only do this if there are records */
  if (num_info > 0) {

    /*   inquire previously defined dimensions  */
    if ((status = nc_inq_dimid(exoid, DIM_LIN, &lindim)) != NC_NOERR) {
      exerrval = status;
      sprintf(errmsg,
              "Error: failed to get line string length in file id %d", exoid);
      ex_err("ex_put_info",errmsg,exerrval);
      return (EX_FATAL);
    }

    /* put file into define mode  */
    if ((status = nc_redef (exoid)) != NC_NOERR) {
      exerrval = status;
      sprintf(errmsg,
              "Error: failed put file id %d into define mode", exoid);
      ex_err("ex_put_info",errmsg,exerrval);
      return (EX_FATAL);
    }

    /* define dimensions */
    if ((status = nc_def_dim(exoid, DIM_NUM_INFO, num_info, &num_info_dim)) != NC_NOERR) {
      if (status == NC_ENAMEINUSE) {     /* duplicate entry? */
	exerrval = status;
	sprintf(errmsg,
		"Error: info records already exist in file id %d", 
		exoid);
	ex_err("ex_put_info",errmsg,exerrval);
      } else {
	exerrval = status;
	sprintf(errmsg,
		"Error: failed to define number of info records in file id %d",
		exoid);
	ex_err("ex_put_info",errmsg,exerrval);
      }

      goto error_ret;         /* exit define mode and return */
    }

    /* define variable  */
    dims[0] = num_info_dim;
    dims[1] = lindim;

    if ((status = nc_def_var(exoid, VAR_INFO, NC_CHAR, 2, dims, &varid)) != NC_NOERR) {
      exerrval = status;
      sprintf(errmsg,
	      "Error: failed to define info record in file id %d",
	      exoid);
      ex_err("ex_put_info",errmsg,exerrval);
      goto error_ret;         /* exit define mode and return */
    }

    /*   leave define mode  */
    if ((status = nc_enddef (exoid)) != NC_NOERR) {
      exerrval = status;
      sprintf(errmsg,
	      "Error: failed to complete info record definition in file id %d",
	      exoid);
      ex_err("ex_put_info",errmsg,exerrval);
      return (EX_FATAL);
    }


    /* write out information records */
    for (i=0; i<num_info; i++) {
      start[0] = i;
      start[1] = 0;

      count[0] = 1;
      count[1] = strlen(info[i]) + 1;

      if ((status = nc_put_vara_text(exoid, varid, start, count, info[i])) != NC_NOERR) {
	exerrval = status;
	sprintf(errmsg,
		"Error: failed to store info record in file id %d",
		exoid);
	ex_err("ex_put_info",errmsg,exerrval);
	return (EX_FATAL);
      }
    }
  }

  return (EX_NOERR);

  /* Fatal error: exit definition mode and return */
 error_ret:
  if (nc_enddef (exoid) != NC_NOERR) {     /* exit define mode */
    sprintf(errmsg,
	    "Error: failed to complete definition for file id %d",
	    exoid);
    ex_err("ex_put_info",errmsg,exerrval);
  }
  return (EX_FATAL);
}