refactor

config.h

@@ -0,0 +1,23 @@
+#pragma once
+#include "status_codes.h"
+#include <stdbool.h>
+
+#define DEFAULT_IN "1.in"
+#define DEFAULT_OUT "1.in"
+#define DEFAULT_DIR "tmp"
+#define DEFAULT_NN 100000
+#define DEFAULT_N 101
+#define DEFAULT_B 10
+
+typedef struct
+{
+    const char* input_file;
+    const char* output_file;
+    const char* directory;
+    bool generate_data;
+    int N; // number of records in a file
+    int b; // blocking factor
+    int n; // number of buffers
+} Configuration;
+
+int process_args(int argc, char** argv, Configuration* opts);