Allow passing arguments to program, refactor directory structure

1 files changed, 17 insertions, 0 deletions

diff --git a/common/err.h b/common/err.h
new file mode 100644
index 0000000..1dccbf9
--- /dev/null
+++ b/common/err.h
@@ -0,0 +1,17 @@
+#ifndef _ERR_H_
+#define _ERR_H_
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+
+static inline void error(const char *format, ...)
+{
+	va_list args;
+	va_start(args, format);
+	vfprintf(stderr, format, args);
+	va_end(args);
+	exit(1);
+}
+
+#endif