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* lib/securerandom.rb: new method SecureRandom#uuid

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@21868 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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technorama 2009-01-29 03:20:26 +00:00
parent 68db4a3464
commit 7dd1a098a6
2 changed files with 14 additions and 0 deletions
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ChangeLog
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@ -1,3 +1,7 @@
Thu Jan 29 12:18:54 2009 Technorama Ltd. <oss-ruby@technorama.net>
* lib/securerandom.rb: new method SecureRandom#uuid
Thu Jan 29 11:22:19 2009 NAKAMURA Usaku <usa@ruby-lang.org>
* ext/socket/raddrinfo.c (inspect_sockaddr): if defined AF_INET6,

10
lib/securerandom.rb
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@ -167,6 +167,16 @@ module SecureRandom
end
end
# SecureRandom.uuid generates a v4 random UUID.
def self.uuid
str = self.random_bytes(16)
str[6] = (str[6] & 0x0f) | 0x40
str[8] = (str[8] & 0x3f) | 0x80
ary = str.unpack("NnnnnN")
"%08x-%04x-%04x-%04x-%04x%08x" % ary
end
# Following code is based on David Garamond's GUID library for Ruby.
def self.lastWin32ErrorMessage # :nodoc:
get_last_error = Win32API.new("kernel32", "GetLastError", '', 'L')