exit_handler.cf

来自「麻省理工学院的人工智能工具箱,很珍贵,希望对大家有用!」· CF 代码 · 共 79 行

#include <stdio.h>
#include "tables.h"
#include "grib.h"

extern int debug;               /* for debug print  */
extern  FILE  *IndexFile;       /* index file */
extern  table2 *parmtab;  	/* structure for parameter ID table */
extern  table3 *lvltab;         /* struct for lvl table */
extern  char  *curr_ptr;        /* pointer to valid GRIB message        */
extern  float *grib_data;       /* array of decoded data values */

void    exit_handler (int exit_code)
{
int  subnum;

    DPRINT ("Entering Exit_Handler...\n ");

/*
*
* A.1  IF (message pointer is defined)
*         FREE up its storage;
*      ENDIF
*/
   if (curr_ptr!=NULL)  free(curr_ptr);

/*
*
* A.2  IF (data array is defined)
*         FREE up its storage;
*      ENDIF
*/
   if (grib_data!=NULL) free(grib_data);
      
/*
*
* A.3  IF (Index file is still open)
*         CLOSE file;
*      ENDIF
*/
   if (IndexFile!=NULL) fclose(IndexFile);


/*
*
* A.4  IF (parameter table is defined) 
*         FOR (each sub-table)
*             IF (sub-parameter table is defined)
*                FREE sub-table storage
*             ENDIF
*         ENDLOOP
*         FREE main table storage
*      ENDIF
*/
  if (parmtab != NULL) {
    for (subnum=250; subnum <= 254; subnum++) 
       if (parmtab[subnum].sub_tab2) free(parmtab[subnum].sub_tab2);
    free (parmtab); 
   }

/*
*
* A.5   IF (Level table is defined) THEN
*          FREE up its storage;
*       ENDIF 
*/
   if (lvltab != NULL) free(lvltab);

/*
*
* A.7   DEBUG printing
*/
   DPRINT ("Exiting program with status= %d\n\n", exit_code);
/*
*
* A.6   EXIT PROGRAM
*/
   exit(exit_code);
}