From 5645043c86bf5df846078f2bcacbc881e4021619 Mon Sep 17 00:00:00 2001
From: Curtis McEnroe <june@causal.agency>
Date: Tue, 26 Mar 2019 18:21:48 -0400
Subject: Make Stack capacity configurable

Allows games to use multiple decks.
---
 stack.h | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/stack.h b/stack.h
index b7b018f..61c6fc2 100644
--- a/stack.h
+++ b/stack.h
@@ -23,6 +23,10 @@
 
 #include "cards.h"
 
+#ifndef STACK_CAP
+#define STACK_CAP 52
+#endif
+
 typedef Sint8 Card;
 
 static int cardSuit(Card card) {
@@ -48,7 +52,7 @@ static int cardRank(Card card) {
 
 struct Stack {
 	Uint8 len;
-	Card cards[52];
+	Card cards[STACK_CAP];
 };
 
 static inline void stackClear(struct Stack *stack) {
@@ -56,7 +60,7 @@ static inline void stackClear(struct Stack *stack) {
 }
 
 static inline void stackPush(struct Stack *stack, Card card) {
-	assert(stack->len < 52);
+	assert(stack->len < STACK_CAP);
 	stack->cards[stack->len++] = card;
 }
 
-- 
cgit 1.4.1