#pragma once #include <util/generic/string.h> /** * Search the environment list provided by the host environment for associated variable. * * @param key String identifying the name of the environmental variable to look for * @param def String that returns if environmental variable not found by key * * @return String that is associated with the matched environment variable or empty string if * such variable is missing. * * @note Use it only in pair with `SetEnv` as there may be inconsistency in their behaviour * otherwise. * @note Calls to `GetEnv` and `SetEnv` from different threads must be synchronized. * @see SetEnv */ TString GetEnv(const TString& key, const TString& def = TString()); /** * Add or change environment variable provided by the host environment. * * @key String identifying the name of the environment variable to set or change * @value Value to assign * @note Use it only in pair with `GetEnv` as there may be inconsistency in their behaviour * otherwise. * @note Calls to `GetEnv` and `SetEnv` from different threads must be synchronized. * @see GetEnv */ void SetEnv(const TString& key, const TString& value);