Error out on failure to realloc the stack

1 files changed, 1 insertions, 1 deletions

diff --git a/stack.c b/stack.c
index 8b4c478..d13749e 100644
--- a/stack.c
+++ b/stack.c
@@ -15,7 +15,7 @@ PositionStack ps_new(void) {
 int 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) return -1;
+        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;