diff --git a/log.c b/log.c
new file mode 100644
index 0000000..38e9ec3
--- /dev/null
+++ b/log.c
@@ -0,0 +1,22 @@
+#include <stdio.h>
+#include "log.h"
+static FILE* file = 0;
+static char* name;
+
+void startLog(char* filename)
+{
+	name = filename;
+	file = fopen(filename, "w");
+}
+
+void logLine(char* string)
+{
+	if (!file) return;
+	fputs(string, file);
+	fputs("\n", file);
+}
+
+void endLog()
+{
+	fclose(file);
+}
diff --git a/log.h b/log.h
new file mode 100644
index 0000000..1ad1339
--- /dev/null
+++ b/log.h
@@ -0,0 +1,10 @@
+#ifndef LOG_H
+#define LOG_H
+
+void startLog(char* filename);
+
+void logLine(char* string);
+
+void endLog();
+
+#endif