Extract bit operations to buffer_util.h

Move util functions to a reusable separate header.
2018-11-11 00:48:25 +01:00
parent b1d2c2c640
commit cb3cf801c8
2 changed files with 29 additions and 22 deletions
--- a/app/src/buffer_util.h
+++ b/app/src/buffer_util.h
@@ -0,0 +1,18 @@
+#ifndef BUFFER_UTIL_H
+#define BUFFER_UTIL_H
+
+#include <SDL2/SDL_stdinc.h>
+
+static inline void buffer_write16be(Uint8 *buf, Uint16 value) {
+    buf[0] = value >> 8;
+    buf[1] = value;
+}
+
+static inline void buffer_write32be(Uint8 *buf, Uint32 value) {
+    buf[0] = value >> 24;
+    buf[1] = value >> 16;
+    buf[2] = value >> 8;
+    buf[3] = value;
+}
+
+#endif