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| -rw-r--r-- | include/llvm/Support/EndianStream.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/include/llvm/Support/EndianStream.h b/include/llvm/Support/EndianStream.h new file mode 100644 index 0000000000..89c66d3b84 --- /dev/null +++ b/include/llvm/Support/EndianStream.h @@ -0,0 +1,39 @@ +//===- EndianStream.h - Stream ops with endian specific data ----*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file defines utilities for operating on streams that have endian +// specific data. +// +//===----------------------------------------------------------------------===// + +#ifndef _LLVM_SUPPORT_ENDIAN_STREAM_H_ +#define _LLVM_SUPPORT_ENDIAN_STREAM_H_ + +#include <llvm/Support/Endian.h> +#include <llvm/Support/raw_ostream.h> + +namespace llvm { +namespace support { + +namespace endian { +/// Adapter to write values to a stream in a particular byte order. +template <endianness endian> struct Writer { + raw_ostream &OS; + Writer(raw_ostream &OS) : OS(OS) {} + template <typename value_type> void write(value_type Val) { + Val = byte_swap<value_type, endian>(Val); + OS.write((const char *)&Val, sizeof(value_type)); + } +}; +} // end namespace endian + +} // end namespace support +} // end namespace llvm + +#endif // _LLVM_SUPPORT_ENDIAN_STREAM_H_ |