started working on logging

final/log.h

@@ -0,0 +1,12 @@
+#include "dynstr.h"
+
+/**
+ * Writes the string to a file, appending a newline character
+ * This function automatically appends a newline character to the end of the string
+ * 
+ * @param string the string to write
+ * @return 0 on success, -1 on error
+ * @note This function frees the string passed to it!
+ */
+int write_log(String_t* string, int lines);
+