From c15d24ee80daeb94a24192eb741c115e63b9879c Mon Sep 17 00:00:00 2001
From: tuz358 <orca00358@gmail.com>
Date: Sun, 4 Mar 2018 11:34:01 +0900
Subject: [PATCH] first commit

---
 include/utils.h |  4 ++++
 utils.cpp       | 13 +++++++++++++
 2 files changed, 17 insertions(+)
 create mode 100644 include/utils.h
 create mode 100644 utils.cpp

diff --git a/include/utils.h b/include/utils.h
new file mode 100644
index 0000000..9c7c96c
--- /dev/null
+++ b/include/utils.h
@@ -0,0 +1,4 @@
+#include <stdint.h>
+
+uint32_t swap_endian32(uint32_t data);
+
diff --git a/utils.cpp b/utils.cpp
new file mode 100644
index 0000000..4dadc40
--- /dev/null
+++ b/utils.cpp
@@ -0,0 +1,13 @@
+#include "include/utils.h"
+
+uint32_t swap_endian32(uint32_t data){
+  uint32_t swapped = 0x00;
+
+  swapped |=  data               << 24;
+  swapped |= (data & 0x0000ff00) <<  8;
+  swapped |= (data & 0x00ff0000) <<  8;
+  swapped |=  data               >> 24;
+
+  return swapped;
+}
+