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Add llvm::sys::{osName,osVersion} for retrieving operating system name
& version as strings. - Win32 code is untested. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56942 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -14,6 +14,8 @@
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#ifndef LLVM_SYSTEM_HOST_H
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#define LLVM_SYSTEM_HOST_H
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#include <string>
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namespace llvm {
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namespace sys {
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@ -30,6 +32,13 @@ namespace sys {
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return !littleEndianHost();
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}
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/// osName() - Return the name of the host operating system or "" if
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/// unknown.
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std::string osName();
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/// osVersion() - Return the operating system version as a string or
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/// "" if unknown.
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std::string osVersion();
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}
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}
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24
lib/System/Host.cpp
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24
lib/System/Host.cpp
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@ -0,0 +1,24 @@
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//===-- Host.cpp - Implement OS Host Concept --------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This header file implements the operating system Host concept.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/System/Host.h"
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#include "llvm/Config/config.h"
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// Include the platform-specific parts of this class.
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#ifdef LLVM_ON_UNIX
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#include "Unix/Host.inc"
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#endif
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#ifdef LLVM_ON_WIN32
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#include "Win32/Host.inc"
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#endif
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42
lib/System/Unix/Host.inc
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42
lib/System/Unix/Host.inc
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@ -0,0 +1,42 @@
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//===- llvm/System/Unix/Host.inc --------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements the UNIX Host support.
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//
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//===----------------------------------------------------------------------===//
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//===----------------------------------------------------------------------===//
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//=== WARNING: Implementation here must contain only generic UNIX code that
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//=== is guaranteed to work on *all* UNIX variants.
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//===----------------------------------------------------------------------===//
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#include <llvm/Config/config.h>
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#include "Unix.h"
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#include <sys/utsname.h>
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#include <string>
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using namespace llvm;
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std::string llvm::sys::osName() {
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struct utsname info;
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if (uname(&info))
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return "";
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return info.sysname;
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}
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std::string llvm::sys::osVersion() {
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struct utsname info;
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if (uname(&info))
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return "";
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return info.release;
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}
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35
lib/System/Win32/Host.inc
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35
lib/System/Win32/Host.inc
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//===- llvm/System/Win32/Host.inc -------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements the Win32 Host support.
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//
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//===----------------------------------------------------------------------===//
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#include "Win32.h"
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#include <cstdio>
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#include <string>
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using namespace llvm;
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std::string sys::osName() {
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return "Windows";
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}
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std::string sys::osVersion() {
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OSVERSIONINFO osvi = { 0 };
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osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
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if (!GetVersionEx(&osvi))
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return "";
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char buf[64];
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sprintf(buf, "%d.%d", osvi.dwMajorVersion, osvi.dwMinorVersion);
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return buf;
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}
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