static ff::String GetClrVersion(ICLRMetaHost *metaHost, ff::StringRef versionOrAssembly)
{
ff::String version;
assertRetVal(versionOrAssembly.size(), version);
if (!_wcsicmp(ff::GetPathExtension(versionOrAssembly).c_str(), L"dll"))
{
ff::String assembly = ff::GetExecutablePath();
ff::StripPathTail(assembly);
ff::AppendPathTail(assembly, versionOrAssembly);
if (ff::FileExists(assembly))
{
wchar_t versionBuf[32];
DWORD count = _countof(versionBuf);
assertRetVal(SUCCEEDED(metaHost->GetVersionFromFile(assembly.c_str(), versionBuf, &count)), version);
version = versionBuf;
}
else
{
assertSz(false, ff::String::format_new(L"Managed DLL doesn't exist: %s", assembly.c_str()).c_str());
}
}
else if (versionOrAssembly[0] == 'v')
{
version = versionOrAssembly;
}
else
{
assertRetVal(false, version);
}
return version;
}
FILETIME ff::GetFileAccessedTime(StringRef path)
{
WIN32_FIND_DATA data;
if (FileExists(path, &data))
{
return data.ftLastAccessTime;
}
assertSz(false, L"File doesn't exist");
FILETIME dtm = { 0, 0 };
return dtm;
}
void ff::AtProgramShutdown(std::function<void()> func)
{
assertRet(s_processGlobals != nullptr);
if (s_processGlobals->IsShuttingDown())
{
assertSz(false, L"Why register a program shutdown function during shutdown?");
func();
}
else
{
s_processGlobals->AtShutdown(func);
}
}
ff::String ff::CreateTempFile(StringRef base, StringRef extension)
{
LockMutex crit(GCS_FILE_UTIL);
// STATIC_DATA (pod)
static UINT nUnique = 0;
const int maxTries = 1000;
String szFinal;
static StaticString defaultBase(L"TempFile");
static StaticString defaultExt(L"tmp");
String szBase = base.size() ? szBase : defaultBase;
String szExtension = extension.size() ? szExtension : defaultExt;
for (int nTry = 0; nTry < maxTries; nTry++, nUnique++)
{
wchar_t szUnique[20];
_snwprintf_s(szUnique, _countof(szUnique), _TRUNCATE, L"%u", nUnique);
ff::String szTry = GetTempDirectory();
AppendPathTail(szTry, szBase);
szTry += szUnique;
szTry += L".";
szTry += szExtension;
if (!FileExists(szTry))
{
szFinal = szTry;
break;
}
}
if (szFinal.size())
{
nUnique++;
// Create the file to reserve it
File file;
if (!file.OpenWrite(szFinal))
{
szFinal.empty();
}
}
assertSz(szFinal.size(), L"Can't create a file in the temp folder");
return szFinal;
}