flatten 20260225

tjp/core/endian/Endian.h

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+// TJP COPYRIGHT HEADER
+
+#ifndef __Utilities_Endian_h__
+#define __Utilities_Endian_h__
+
+namespace tjp {
+namespace core {
+namespace endian {
+
+/**
+ * Swaps a buffer that represents one variable
+ */
+void swap (char *, int size);
+
+/**
+ * Swaps the specified buffer if the processor is big endian.
+ */
+inline void toLittleEndian (char *buffer, int size) 
+{
+	#ifdef __BIG_ENDIAN__
+		swap(buffer, size); 
+	#endif
+}
+
+template<typename T>
+inline void toLittleEndian (T &t)
+{
+	#ifdef __BIG_ENDIAN__
+		swap((char*)&t, sizeof(T)); 
+	#endif
+
+	return t;
+}
+
+/**
+ * Swaps the specified buffer if the processor is little endian.
+ */
+inline void toBigEndian (char *buffer, int size) 
+{
+	#ifndef __BIG_ENDIAN__
+		swap(buffer, size); 
+	#endif
+}
+
+template<typename T>
+inline void toBigEndian (T &t)
+{
+	#ifndef __BIG_ENDIAN__
+		swap((char*)&t, sizeof(T)); 
+	#endif
+
+	return t;
+}
+
+/**
+ * Swaps a single variable.
+ */
+template<typename T>
+inline T &swap (T &t)
+{
+	#ifdef __BIG_ENDIAN__
+		swap((char*)&t, sizeof(T)); 
+	#endif
+
+	return t;
+}
+
+} // namespace endian
+} // namespace core
+} // namespace
+
+#endif