refactor: improve even more

1 files changed, 4 insertions, 8 deletions

diff --git a/src/position_stack.h b/src/position_stack.h
index 83fb98c..674da23 100644
--- a/src/position_stack.h
+++ b/src/position_stack.h
@@ -1,23 +1,19 @@
 #ifndef POSITION_STACK_H
 #define POSITION_STACK_H
 
+#include "position.h"
+
 #define STACK_ERR_OVERFLOW 0xFFF01
 #define STACK_ERR_UNDERFLOW 0xFFF02
 
-typedef struct Position
-{
-	int x;
-	int y;
-} Position;
-
 typedef struct PositionStack
 {
-	int capacity;
+	unsigned int capacity;
 	int top;
 	Position *items;
 } PositionStack;
 
-PositionStack *pos_stack_create(int capacity);
+PositionStack *pos_stack_create(unsigned int capacity);
 
 void pos_stack_destroy(PositionStack *pos_stack);