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//===-- HostInfoWindows.cpp -------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "lldb/Host/windows/windows.h"
#include <objbase.h>
#include <mutex> // std::once
#include "lldb/Host/windows/HostInfoWindows.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/Support/ConvertUTF.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/raw_ostream.h"
using namespace lldb_private;
FileSpec HostInfoWindows::m_program_filespec;
void
HostInfoWindows::Initialize()
{
::CoInitializeEx(nullptr, COINIT_MULTITHREADED);
HostInfoBase::Initialize();
}
void
HostInfoWindows::Terminate()
{
HostInfoBase::Terminate();
::CoUninitialize();
}
size_t
HostInfoWindows::GetPageSize()
{
SYSTEM_INFO systemInfo;
GetNativeSystemInfo(&systemInfo);
return systemInfo.dwPageSize;
}
bool
HostInfoWindows::GetOSVersion(uint32_t &major, uint32_t &minor, uint32_t &update)
{
OSVERSIONINFOEX info;
ZeroMemory(&info, sizeof(OSVERSIONINFOEX));
info.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
#pragma warning(push)
#pragma warning(disable : 4996)
// Starting with Microsoft SDK for Windows 8.1, this function is deprecated in favor of the
// new Windows Version Helper APIs. Since we don't specify a minimum SDK version, it's easier
// to simply disable the warning rather than try to support both APIs.
if (GetVersionEx((LPOSVERSIONINFO)&info) == 0)
{
return false;
}
#pragma warning(pop)
major = info.dwMajorVersion;
minor = info.dwMinorVersion;
update = info.wServicePackMajor;
return true;
}
bool
HostInfoWindows::GetOSBuildString(std::string &s)
{
s.clear();
uint32_t major, minor, update;
if (!GetOSVersion(major, minor, update))
return false;
llvm::raw_string_ostream stream(s);
stream << "Windows NT " << major << "." << minor << "." << update;
return true;
}
bool
HostInfoWindows::GetOSKernelDescription(std::string &s)
{
return GetOSBuildString(s);
}
bool
HostInfoWindows::GetHostname(std::string &s)
{
wchar_t buffer[MAX_COMPUTERNAME_LENGTH + 1];
DWORD dwSize = MAX_COMPUTERNAME_LENGTH + 1;
if (!::GetComputerNameW(buffer, &dwSize))
return false;
return llvm::convertWideToUTF8(buffer, s);
}
FileSpec
HostInfoWindows::GetProgramFileSpec()
{
static std::once_flag g_once_flag;
std::call_once(g_once_flag, []() {
std::vector<wchar_t> buffer(PATH_MAX);
::GetModuleFileNameW(NULL, buffer.data(), buffer.size());
std::string path;
llvm::convertWideToUTF8(buffer.data(), path);
m_program_filespec.SetFile(path, false);
});
return m_program_filespec;
}
FileSpec
HostInfoWindows::GetDefaultShell()
{
std::string shell;
GetEnvironmentVar("ComSpec", shell);
return FileSpec(shell, false);
}
bool
HostInfoWindows::ComputePythonDirectory(FileSpec &file_spec)
{
FileSpec lldb_file_spec;
if (!GetLLDBPath(lldb::ePathTypeLLDBShlibDir, lldb_file_spec))
return false;
llvm::SmallString<64> path(lldb_file_spec.GetDirectory().AsCString());
llvm::sys::path::remove_filename(path);
llvm::sys::path::append(path, "lib", "site-packages");
std::replace(path.begin(), path.end(), '\\', '/');
file_spec.GetDirectory().SetString(path.c_str());
return true;
}
bool
HostInfoWindows::GetEnvironmentVar(const std::string &var_name, std::string &var)
{
std::wstring wvar_name;
if (!llvm::ConvertUTF8toWide(var_name, wvar_name))
return false;
if (const wchar_t *wvar = _wgetenv(wvar_name.c_str()))
return llvm::convertWideToUTF8(wvar, var);
return false;
}
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