diff options
Diffstat (limited to 'uuid.lua')
| -rw-r--r-- | uuid.lua | 24 |
1 files changed, 0 insertions, 24 deletions
diff --git a/uuid.lua b/uuid.lua deleted file mode 100644 index ac4df1e..0000000 --- a/uuid.lua +++ /dev/null @@ -1,24 +0,0 @@ --- A simple UUID function based on RFC 4122: http://www.ietf.org/rfc/rfc4122.txt -local unpack = unpack or table.unpack -local function uuid() - local r = math.random - -- Set all the other bits to randomly (or pseudo-randomly) chosen values. - local bytes = { - r(2^(4*8)), --time-low - r(2^(2*8)), --time-mid - r(2^(2*8-4)), --time-high-and-version - r(2^(1*8-2)), --clock-seq-and-reserved - r(2^(1*8)), --clock-seq-low - r(2^(3*8)), r(2^(3*8)), --node - } - -- Set the four most significant bits (bits 12 through 15) of the - -- time_hi_and_version field to the 4-bit version number from - -- Section 4.1.3. - bytes[3] = bytes[3] + 0x4000 - -- Set the two most significant bits (bits 6 and 7) of the - -- clock_seq_hi_and_reserved to zero and one, respectively. - bytes[4] = bytes[4] + 0xC0 - return ("%08x-%04x-%04x-%02x%02x-%6x%6x"):format(unpack(bytes)) -end - -return uuid |