Improve performance on very large files

1 files changed, 9 insertions, 9 deletions

diff --git a/point.c b/point.c
index 8ef0c41..82f27d2 100644
--- a/point.c
+++ b/point.c
@@ -14,22 +14,22 @@ uint16_t index_to_offset(struct point *point) {
 	}
 }
 
+bool same_point(struct point *a, struct point *b) {
+	return a->page == b->page && a->index == b->index;
+}
+
 uint8_t element(struct point *point) {
 	if (point->index == point->page->element_count) {
-		return point->page->next->elements[0];
+		if (!point->page->next) {
+			return EOF;
+		} else {
+			return point->page->next->elements[0];
+		}
 	} else {
 		return point->page->elements[index_to_offset(point)];
 	}
 }
 
-bool same_location(struct point *a, struct point *b) {
-	return a->page == b->page && a->index == b->index;
-}
-
-bool at_eof(struct point *point) {
-	return point->index == point->page->element_count && !point->page->next;
-}
-
 void move_point_forward(struct point *point) {
 	if (point->index < point->page->element_count) {
 		point->index++;