feat: Populate repo

lib/utils.c

@@ -0,0 +1,20 @@
+/* utils.c */
+/** @brief Hash `str` to `hash` for use in a switch case
+ *
+ * A string needs to be hashed for it to be used
+ * inside of a switch statement. We want to use a switch
+ * statement instead of an if-else chain for it's
+ * simplicity and lower amount of low-level operations.
+ *
+ * @param str The string to hash
+ *
+ * @returns hash The hashed version of `str`
+ */
+unsigned long hash(const char *str) {
+  unsigned long hash = 5381;
+  unsigned long int c;
+
+  while ((c = *str++))
+    hash = ((hash << 5) + hash) + c;
+  return hash;
+}