/* Gamelon(tm) File I/O Library Sample Code C Language */
/* (C)1994 Menai Corporation(tm) Released for public use */
/* Example 6a. How to specify annotations during a */
/* simple alteration. */
/* In order to specify annotations to an object */
/* during a simple alteration, the annotations must */
/* be specified between time the alteration is */
/* initiated and the time the data is written into */
/* an object. (Assume an empty file.) */
#include <stdlib.h>
#include "gfcursor.h"
int main(void) {
char newchar = 'u';
int valid;
CURSOR *c = new_CURSOR(NULL,
"newfile",
AM_SHARED,
NULL,
0);
eCursorQueryValid(c, &valid);
if (!valid)
exit(1);
eCursorMoveIn(c);
eCursorMovePreFirst(c);
eAltAppend(c);
eObjSetComment(c, "Response to question #1");
eObjSetClass(c, 144);
eObjWriteChar(c, newchar);
delete_CURSOR(c);
return 0;
}
/* Ending file layout: */
/* { } */
/* ['u':CO("Response to question #1"):CL("144")] */
/* The above code associated the comment and class */
/* number with the object containing the character */
/* value 'u'. Each type of annotation can only be */
/* specified once within a single alteration. Once an */
/* annotation has been specified in an alteration, any */
/* subsequent attempts to set that alteration will be */
/* ignored unless the programmer calls a special */
/* function which abandons all the pending annotations */
/* specified up to that point within the current single */
/* alteration. Alternately, the programmer can commit */
/* the pending annotations and set them again in */
/* another alteration (overwriting the original */
/* annotations), or commit the pending annotations and */
/* call another function to purge them from the object. */
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