From 96a65936723c948fe1c585fac37fdeb407c8196f Mon Sep 17 00:00:00 2001
From: "Alexander \"Arav\" Andreev" <me@arav.su>
Date: Mon, 4 Dec 2023 18:49:03 +0400
Subject: [PATCH] Let's introduce a special stackpointer_t type to represent a
 type of a stack pointer. Also set STACK_SZ to UINT8_MAX + 1.

---
 day4/p2.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/day4/p2.c b/day4/p2.c
index dffbab8..9756d00 100644
--- a/day4/p2.c
+++ b/day4/p2.c
@@ -6,7 +6,8 @@
 #include <stdbool.h>
 
 
-#define STACK_SZ 256
+#define STACK_SZ UINT8_MAX+1
+typedef uint8_t stackpointer_t;
 
 int32_t parse_number(char *end);
 
@@ -30,7 +31,7 @@ int main(int argc, char **argv) {
     char *colon_pos = NULL, *pipe_pos = NULL;
 
     uint64_t stack[STACK_SZ] = {0};
-    uint8_t stack_pos = 0;
+    stackpointer_t stack_pos = 0;
 
     while (getline(&line, &line_length, input) != -1) {
         colon_pos = strchr(line, ':');