some more

2 files changed, 32 insertions, 0 deletions

diff --git a/Advent-of-Code-2021/AOC-16/build.sh b/Advent-of-Code-2021/AOC-16/build.sh
new file mode 100755
index 0000000..6be9241
--- /dev/null
+++ b/Advent-of-Code-2021/AOC-16/build.sh
@@ -0,0 +1,7 @@
+#!/bin/sh
+
+set -xe
+
+gcc -o main -Wall -Wextra main.c
+
+./main
diff --git a/Advent-of-Code-2021/AOC-16/main.c b/Advent-of-Code-2021/AOC-16/main.c
new file mode 100644
index 0000000..baa6501
--- /dev/null
+++ b/Advent-of-Code-2021/AOC-16/main.c
@@ -0,0 +1,25 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+#if 1
+    #define FILE_PATH "example.txt"
+#else
+    #define FILE_PATH "input.txt"
+#endif
+
+void parse()
+{
+    FILE *fp = fopen(FILE_PATH, "r");
+    if(!fp) {
+        fprintf(stderr, "ERROR: Could not open file: %s\n", FILE_PATH);
+        exit(EXIT_FAILURE);
+    }
+
+    fclose(fp);
+}
+
+int main(void)
+{
+    parse();
+    return 0;
+}