18 #include "llvm/ADT/SmallString.h"
19 #include "llvm/Support/ConvertUTF.h"
20 #include "llvm/Support/FileSystem.h"
21 #include "llvm/Support/ManagedStatic.h"
22 #include "llvm/Support/Path.h"
23 #include "llvm/Support/Threading.h"
24 #include "llvm/Support/raw_ostream.h"
31 llvm::Optional<std::string> DoGetUserName(id_t uid)
override {
34 llvm::Optional<std::string> DoGetGroupName(id_t gid)
override {
43 ::CoInitializeEx(
nullptr, COINIT_MULTITHREADED);
53 SYSTEM_INFO systemInfo;
54 GetNativeSystemInfo(&systemInfo);
55 return systemInfo.dwPageSize;
61 ZeroMemory(&info,
sizeof(OSVERSIONINFOEX));
62 info.dwOSVersionInfoSize =
sizeof(OSVERSIONINFOEX);
64 #pragma warning(disable : 4996)
69 if (GetVersionEx((LPOSVERSIONINFO)&info) == 0)
70 return llvm::VersionTuple();
73 return llvm::VersionTuple(info.dwMajorVersion, info.dwMinorVersion,
74 info.wServicePackMajor);
82 return "Windows NT " + version.getAsString();
90 wchar_t buffer[MAX_COMPUTERNAME_LENGTH + 1];
91 DWORD dwSize = MAX_COMPUTERNAME_LENGTH + 1;
92 if (!::GetComputerNameW(buffer, &dwSize))
97 return llvm::convertWideToUTF8(buffer, s);
101 static llvm::once_flag g_once_flag;
102 llvm::call_once(g_once_flag, []() {
103 std::vector<wchar_t> buffer(
PATH_MAX);
104 ::GetModuleFileNameW(NULL, buffer.data(), buffer.size());
106 llvm::convertWideToUTF8(buffer.data(), path);
120 return FileSpec(
"C:\\Windows\\system32\\cmd.exe");
125 std::wstring wvar_name;
126 if (!llvm::ConvertUTF8toWide(var_name, wvar_name))
129 if (
const wchar_t *wvar = _wgetenv(wvar_name.c_str()))
130 return llvm::convertWideToUTF8(wvar, var);