1 files changed, 7 insertions, 7 deletions

diff --git a/screen.c b/screen.c
index c27ab8b..8e1b8bc 100644
--- a/screen.c
+++ b/screen.c
@@ -196,11 +196,11 @@ void erase_screen(){
 		erase_line(i);
 }
 
-void check_bound(){
-	if (x<0) x=0;
-	else if (x>=WIDTH) x = WIDTH-1;
-	if (y<0) y=0;
-	else if (y>=HEIGHT) y = HEIGHT -1;
+void check_bound(int *x, int *y){
+	if (*x<0) *x=0;
+	else if (*x>=WIDTH) *x = WIDTH-1;
+	if (*y<0) *y=0;
+	else if (*y>=HEIGHT) *y = HEIGHT -1;
 }
 
 void reset_styles(){
@@ -242,7 +242,7 @@ void go_to(int where){
 			y = HEIGHT/2;
 			break;
 	}
-	check_bound();
+	check_bound(&x, &y);
 	show_cursor();
 }
 
@@ -279,7 +279,7 @@ void handle_goto(){
 			go_to(MIDDLE);
 			break;
 	}
-	check_bound();
+	check_bound(&x, &y);
 	show_cursor();
 }