/* Gamelon(tm) File I/O Library Sample Code  C Language   */

/* (C)1994 Menai Corporation(tm)  Released for public use */

 

/* Example 4b. How to replace an existing object with an */

/* aggregate object.                                     */

 

/* This operation is very similar to the example 4a.     */

/* The programmer need only add a block of objects       */

/* during the alteration instead of adding only a single */

/* object.                                               */

 

/* Beginning file layout:     */

/*    {                 }     */

/*     [2]['b'][3.14159]      */

 

#include <stdlib.h>

#include "gfcursor.h"

 

int main(void) {

    char stringval[20] = "Carpe Diem.";

    long l = 5700304;

    int valid;

    CURSOR *c = new_CURSOR(NULL,

      "newfile",

      AM_SHARED,

      NULL,

      0);

    eCursorQueryValid(c, &valid);

    if (!valid)

      exit(1);

    eCursorMoveIn(c);

    eCursorMoveNext(c, OT_OBJ);

    eAltReplace(c);

    eAltStartAggregating(c); /* Start Aggregating */

    eObjWriteString(c, stringval);

    eObjWriteLong(c, l);

    eAltCommit(c);           /* End Aggregating   */

    delete_CURSOR(c);

    return 0;

}

/* Ending file layout:                          */

/*   {                                      }   */

/*    [2]{                        }[3.14159]    */

/*        ["Carpe Diem."][5700304]              */

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