llvm-6502/include/llvm/System/Host.h

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//===- llvm/System/Host.h - Host machine characteristics --------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Methods for querying the nature of the host machine.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_SYSTEM_HOST_H
#define LLVM_SYSTEM_HOST_H
#include <string>
namespace llvm {
namespace sys {
inline bool littleEndianHost() {
union {
int i;
char c;
};
i = 1;
return c;
}
inline bool bigEndianHost() {
return !littleEndianHost();
}
/// osName() - Return the name of the host operating system or "" if
/// unknown.
std::string osName();
/// osVersion() - Return the operating system version as a string or
/// "" if unknown.
std::string osVersion();
}
}
#endif