Fix return type for ps_push()

1 files changed, 1 insertions, 2 deletions

diff --git a/stack.c b/stack.c
index d13749e..d1e9b24 100644
--- a/stack.c
+++ b/stack.c
@@ -12,14 +12,13 @@ PositionStack ps_new(void) {
     return ps;
 }
 
-int ps_push(PositionStack *ps, Position pos) {
+void ps_push(PositionStack *ps, Position pos) {
     if (ps->top >= ps->capacity) {
         ps->capacity *= STACK_SIZE_COEFFICIENT;
         if ((ps->arr = realloc(ps->arr, sizeof(Position) * ps->capacity)) == NULL) error("Failed to realloc ps->arr\n");
     }
     ps->arr[ps->top] = pos;
     ps->top += 1;
-    return 0;
 }
 
 Position ps_pop(PositionStack *ps) {