/*
*  This software was developed by the Thermal Modeling and Analysis
*  Project(TMAP) of the National Oceanographic and Atmospheric
*  Administration's (NOAA) Pacific Marine Environmental Lab(PMEL),
*  hereafter referred to as NOAA/PMEL/TMAP.
*
*  Access and use of this software shall impose the following
*  obligations and understandings on the user. The user is granted the
*  right, without any fee or cost, to use, copy, modify, alter, enhance
*  and distribute this software, and any derivative works thereof, and
*  its supporting documentation for any purpose whatsoever, provided
*  that this entire notice appears in all copies of the software,
*  derivative works and supporting documentation.  Further, the user
*  agrees to credit NOAA/PMEL/TMAP in any publications that result from
*  the use of this software or in any product that includes this
*  software. The names TMAP, NOAA and/or PMEL, however, may not be used
*  in any advertising or publicity to endorse or promote any products
*  or commercial entity unless specific written permission is obtained
*  from NOAA/PMEL/TMAP. The user also understands that NOAA/PMEL/TMAP
*  is not obligated to provide the user with any support, consulting,
*  training or assistance of any kind with regard to the use, operation
*  and performance of this software nor to provide the user with any
*  updates, revisions, new versions or "bug fixes".
*
*  THIS SOFTWARE IS PROVIDED BY NOAA/PMEL/TMAP "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 NOAA/PMEL/TMAP BE LIABLE FOR ANY SPECIAL,
*  INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
*  RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
*  CONTRACT, NEGLIGENCE OR OTHER TORTUOUS ACTION, ARISING OUT OF OR IN
*  CONNECTION WITH THE ACCESS, USE OR PERFORMANCE OF THIS SOFTWARE. 
*

NOTE: Needs error checking to see that the realloc actually worked.

/* reallo_ppl_memory.c

   Enlarge the memory allocated to the PLOT+ buffer.
   Ferret v5.52 *acm* 6/5/04 fix typo in print statement 
*/

/* *kob* 10/03 v553 - gcc v3.x needs wchar.h included */
#ifdef MAC_SSIZE
typedef long ssize_t;
#endif

#include <wchar.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include "pplmem.h"

/* The global pointer to PLOT+ memory is declared as extern here
   (Defined in fermain_c.c)
*/
  extern float *ppl_memory; 
  

void reallo_ppl_memory(int *this_size)
{
  
/* local variable declaration */
  int current_size;

/* allocate or reallocate PLOT+ memory buffer */

  FORTRAN(get_ppl_memory_size)(&current_size);

/* free the currently allocated memory */
  if (current_size != 0)
      free ( (void *) ppl_memory );
/* allocate new ammount of memory */
  ppl_memory = (float *) malloc(sizeof(float) * *this_size );

/* Check that the memory was allocated OK*/

  if ( ppl_memory == (float *)0 ) {
    printf("Unable to allocate the requested %d words of PLOT memory.\n",*this_size);
    exit(0);
   }
/* save the size of what was allocated */
  FORTRAN(save_ppl_memory_size) (this_size);

  return;
}
