/*
 * Copyright (c) 1994 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.
 * 
 */
/*****************************************************************************
*
* exginf - ex_get_info
*
* author - Sandia National Laboratories
*          Larry A. Schoof - Original
*          James A. Schutt - 8 byte float and standard C definitions
*          Vic Yarberry    - Added headers and error logging
*
*          
* environment - UNIX
*
* entry conditions - 
*   input parameters:
*       int     exoid                   exodus file id
*
* exit conditions - 
*       char*   info[]                  ptr array of info records
*
* revision history - 
*
*  Id
*
*****************************************************************************/

#include "exodusII.h"
#include "exodusII_int.h"

/*
 * reads information records from the database
 */

int ex_get_info (int    exoid,
                 char **info)
{
   int i, j, dimid, varid;
   long num_info, start[2];
   char *ptr;
   char  errmsg[MAX_ERR_LENGTH];

   exerrval = 0; /* clear error code */

/* inquire previously defined dimensions and variables  */

   if ((dimid = ncdimid (exoid, DIM_NUM_INFO)) == -1)
   {
     exerrval = ncerr;
     sprintf(errmsg,
            "Warning: failed to locate number of info records in file id %d",
             exoid);
     ex_err("ex_get_info",errmsg,exerrval);
     return (EX_WARN);
   }

   if (ncdiminq (exoid, dimid, (char *) 0, &num_info) == -1)
   {
     exerrval = ncerr;
     sprintf(errmsg,
            "Error: failed to get number of info records in file id %d",
             exoid);
     ex_err("ex_get_info",errmsg,exerrval);
     return (EX_FATAL);
   }


/* do this only if there are any information records */

   if (num_info > 0)
   {
     if ((varid = ncvarid (exoid, VAR_INFO)) == -1)
     {
       exerrval = ncerr;
       sprintf(errmsg,
              "Error: failed to locate info record data in file id %d", exoid);
       ex_err("ex_get_info",errmsg,exerrval);
       return (EX_FATAL);
     }


/* read the information records */

      for (i=0; i<num_info; i++)
      {
        start[0] = i;
        start[1] = 0;

        j = 0;
        ptr = info[i];

        if (ncvarget1 (exoid, varid, start, ptr) == -1)
        {
          exerrval = ncerr;
          sprintf(errmsg,
              "Error: failed to get info record data in file id %d", exoid);
          ex_err("ex_get_info",errmsg,exerrval);
          return (EX_FATAL);
        }


        while ((*ptr++ != '\0') && (j < MAX_LINE_LENGTH))
        {
          start[1] = ++j;
          if (ncvarget1 (exoid, varid, start, ptr) == -1)
          {
            exerrval = ncerr;
            sprintf(errmsg,
                "Error: failed to get info record data in file id %d", exoid);
            ex_err("ex_get_info",errmsg,exerrval);
            return (EX_FATAL);
          }

        }
/* delete trailing blanks */
        --ptr;
        while ( --ptr >= info[i] && *ptr == ' ' );
        *(++ptr) = '\0';
      }

   }

   return (EX_NOERR);

}
