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review: Passwd (bug fixing + docs)

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This commit is contained in:
Michele Caini 2017-06-11 23:48:26 +02:00
parent ac1bf2392b
commit 36d05df0f5
1 changed files with 55 additions and 5 deletions
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60
src/uvw/util.hpp
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@ -199,14 +199,64 @@ using TimeVal = uv_timeval_t;
using RUsage = uv_rusage_t;
/**
* @brief Utility class.
*
* This class can be used to query the subset of the password file entry for the
* current effective uid (not the real uid).
*
* \sa Utilities::passwd
*/
struct Passwd {
Passwd(std::shared_ptr<uv_passwd_t> pwd): passwd{pwd} {}
std::string username() const noexcept { return passwd->username; }
auto uid() const noexcept { return passwd->uid; }
auto gid() const noexcept { return passwd->gid; }
std::string shell() const noexcept { return passwd->shell; }
std::string homedir() const noexcept { return passwd->homedir; }
/**
* @brief Gets the username.
* @return The username of the current effective uid (not the real uid).
*/
std::string username() const noexcept {
return ((passwd && passwd->username) ? passwd->username : "");
}
/**
* @brief Gets the uid.
* @return The current effective uid (not the real uid).
*/
auto uid() const noexcept {
return (passwd ? passwd->uid : decltype(uv_passwd_t::uid){});
}
/**
* @brief Gets the gid.
* @return The gid of the current effective uid (not the real uid).
*/
auto gid() const noexcept {
return (passwd ? passwd->gid : decltype(uv_passwd_t::gid){});
}
/**
* @brief Gets the shell.
* @return The shell of the current effective uid (not the real uid).
*/
std::string shell() const noexcept {
return ((passwd && passwd->shell) ? passwd->shell : "");
}
/**
* @brief Gets the homedir.
* @return The homedir of the current effective uid (not the real uid).
*/
std::string homedir() const noexcept {
return ((passwd && passwd->homedir) ? passwd->homedir: "");
}
/**
* @brief Checks if the instance contains valid data.
* @return True if data are all valid, false otherwise.
*/
operator bool() const noexcept {
return static_cast<bool>(passwd);
}
private:
std::shared_ptr<uv_passwd_t> passwd;