Method addEnvironmentVar

src/OpenColorIO/Config.cpp:2166–2189

}

void Config::addEnvironmentVar(const char * name, const char * defaultValue)
{
    if (!name || !*name)
    {
        return;
    }

    // Note: Only a null default value removes the entry.

    if (defaultValue)
    {
        getImpl()->m_env[std::string(name)] = std::string(defaultValue);
        getImpl()->m_context->setStringVar(name, defaultValue);
    }
    else
    {
        StringMap::const_iterator iter = getImpl()->m_env.find(std::string(name));
        if(iter != getImpl()->m_env.end()) getImpl()->m_env.erase(iter);
        getImpl()->m_context->setStringVar(name, nullptr);
    }

    AutoMutex lock(getImpl()->m_cacheidMutex);
    getImpl()->resetCacheIDs();
}

int Config::getNumEnvironmentVars() const
{