2 files changed, 39 insertions, 0 deletions
diff --git a/src/utils/time.c b/src/utils/time.c
new file mode 100644
index 0000000..979a2c8
--- /dev/null
+++ b/src/utils/time.c
@@ -0,0 +1,32 @@
+#include "time.h"
+
+#include <stdio.h>
+
+#ifdef PRINT_STATISTICS
+struct timespec time_diff(struct timespec end, struct timespec start) {
+  struct timespec temp;
+  if ((end.tv_nsec - start.tv_nsec) < 0) {
+    temp.tv_sec = end.tv_sec - start.tv_sec - 1;
+    temp.tv_nsec = 1000000000 + end.tv_nsec - start.tv_nsec;
+  } else {
+    temp.tv_sec = end.tv_sec - start.tv_sec;
+    temp.tv_nsec = end.tv_nsec - start.tv_nsec;
+  }
+  return temp;
+}
+
+struct timespec time_add(struct timespec left, struct timespec right) {
+  struct timespec result;
+  result.tv_nsec = left.tv_nsec + right.tv_nsec;
+  result.tv_sec = (left.tv_sec + right.tv_sec) + result.tv_nsec / 1000000000;
+  result.tv_nsec %= 1000000000;
+  return result;
+}
+
+void time_print(struct timespec time) {
+  printf("%02ld:%02ld.%06ldus", time.tv_sec / 60, time.tv_sec % 60,
+         time.tv_nsec / 1000);
+}
+#endif
+
+
diff --git a/src/utils/time.h b/src/utils/time.h
new file mode 100644
index 0000000..6d5f2f6
--- /dev/null
+++ b/src/utils/time.h
@@ -0,0 +1,7 @@
+#pragma once
+
+#include <time.h>
+
+struct timespec time_diff(struct timespec end, struct timespec start);
+struct timespec time_add(struct timespec left, struct timespec right);
+void time_print(struct timespec time);