Function dupEvents

src/interfaces/libpq/fe-exec.c:415–449

* Copy an array of PGEvents (with no extra space for more). * Does not duplicate the event instance data, sets this to NULL. * Also, the resultInitialized flags are all cleared. * The total space allocated is added to *memSize. */

 * The total space allocated is added to *memSize.
 */
static PGEvent *
dupEvents(PGEvent *events, int count, size_t *memSize)
{
	PGEvent    *newEvents;
	size_t		msize;
	int			i;

	if (!events || count <= 0)
		return NULL;

	msize = count * sizeof(PGEvent);
	newEvents = (PGEvent *) malloc(msize);
	if (!newEvents)
		return NULL;

	for (i = 0; i < count; i++)
	{
		newEvents[i].proc = events[i].proc;
		newEvents[i].passThrough = events[i].passThrough;
		newEvents[i].data = NULL;
		newEvents[i].resultInitialized = false;
		newEvents[i].name = strdup(events[i].name);
		if (!newEvents[i].name)
		{
			while (--i >= 0)
				free(newEvents[i].name);
			free(newEvents);
			return NULL;
		}
		msize += strlen(events[i].name) + 1;
	}

	*memSize += msize;
	return newEvents;
}


/*