struct System::Group

• System::Group
• Struct
• Value
• Object

Defined in:

system/group.cr

Constant Summary

GID_MAX = 4294967295_u32

NGROUPS_MAX = LibC::NGROUPS_MAX

Constructors

• .get(gid : Int) : Group

  Returns the group specified by the group ID.

• .get(groupname : String) : Group

  Returns the group specified by the groupname.

• .get?(gid : Int) : Group?

  Returns the group specified by the group ID.

• .get?(groupname : String) : Group?

  Returns the group specified by the group name.

Class Method Summary

• .gid(groupname : String) : UInt32

  Returns the group ID for the given group name.

• .gid?(groupname : String) : UInt32?

  Returns the group ID for the given group name.

• .name(gid : Int) : String

  Returns the group name for the given group ID.

• .name?(gid : Int) : String?

  Returns the group name for the given group ID.

Instance Method Summary

• #==(other : self)
• #each_member(&block : User -> Nil) : Nil

  Yields members as Users.

• #each_member_name(&block : String -> Nil) : Nil

  Yields member names as Strings.

• #gid : UInt32

  Returns the group ID.

• #hash(hasher)

  See Object#hash(hasher)

• #member_names : Array(String)

  Returns an Array of the member names as Strings.

• #members : Array(User)

  Returns an Array of the members as Users.

• #name : String

  Returns the group name as a String.

• #to_s(io : IO)

  Appends the group name to the given IO.

• #to_s : String

  Returns a String representation of the group, it's group name.

Constructor Detail

Class Method Detail

Instance Method Detail