From 897453fb39dfd35b1ebd7e13266c462575270c0d Mon Sep 17 00:00:00 2001
From: Bruno Raoult <braoult@gmail.com>
Date: Sun, 23 Jan 2022 20:38:58 +0100
Subject: [PATCH] day 20: working version for part 1

---
 2021/day20/aoc-c.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/2021/day20/aoc-c.c b/2021/day20/aoc-c.c
index a2c5415..bb2f526 100644
--- a/2021/day20/aoc-c.c
+++ b/2021/day20/aoc-c.c
@@ -12,6 +12,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 #include <unistd.h>
 #include <errno.h>
 
@@ -129,6 +130,16 @@ static int read_data(int steps)
         universe[0][i] = calloc(universe_size, sizeof(char));
         universe[1][i] = calloc(universe_size, sizeof(char));
     }
+    /* they got me on this one ;-)
+     */
+    if (*algo) {
+        log(1, "init second array\n");
+        for (i = 0; i < universe_size; ++i)
+            memset(universe[1][i], 1, universe_size);
+        current=1;
+        print_data(-1);
+        current=0;
+    }
     do {
         for (int i = 0; i < buflen; ++i) {
             universe[0][cur + left][i + left] = buf[i] == '#';