1//===- EndianStream.h - Stream ops with endian specific data ----*- C++ -*-===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9// 10// This file defines utilities for operating on streams that have endian 11// specific data. 12// 13//===----------------------------------------------------------------------===// 14 15#ifndef _LLVM_SUPPORT_ENDIAN_STREAM_H_ 16#define _LLVM_SUPPORT_ENDIAN_STREAM_H_ 17 18#include <llvm/Support/Endian.h> 19#include <llvm/Support/raw_ostream.h> 20 21namespace llvm { 22namespace support { 23 24namespace endian { 25/// Adapter to write values to a stream in a particular byte order. 26template <endianness endian> struct Writer { 27 raw_ostream &OS; 28 Writer(raw_ostream &OS) : OS(OS) {} 29 template <typename value_type> void write(value_type Val) { 30 Val = byte_swap<value_type, endian>(Val); 31 OS.write((const char *)&Val, sizeof(value_type)); 32 } 33}; 34} // end namespace endian 35 36} // end namespace support 37} // end namespace llvm 38 39#endif // _LLVM_SUPPORT_ENDIAN_STREAM_H_ 40