Function SetEnv

util/system/env.cpp:64–79

}

void SetEnv(const TString& key, const TString& value) {
    bool isOk = false;
    int errorCode = 0;
#ifdef _win_
    isOk = SetEnvironmentVariable(key.data(), value.data());
    if (!isOk) {
        errorCode = GetLastError();
    }
#else
    isOk = (0 == setenv(key.data(), value.data(), true /*replace*/));
    if (!isOk) {
        errorCode = errno;
    }
#endif
    Y_ENSURE_EX(isOk, TSystemError() << "failed to SetEnv with error-code " << errorCode);
}

void UnsetEnv(const TString& key) {
    bool notFound = false;