1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
|
local util = require('extregs.util')
local M = {}
function M.get_provider(_)
return util.readonly(function()
local bytes = vim.uv.random(16)
assert(bytes and #bytes == 16, 'unable to obtain random bytes')
local b = { bytes:byte(1, 16) }
b[7] = (b[7] % 16) + 64
b[9] = (b[9] % 64) + 128
local h = {}
for i = 1, 16 do h[i] = string.format('%%02x', b[i]) end
return table.concat(h, '', 1, 4) .. '-' .. table.concat(h, '', 5, 6) .. '-' ..
table.concat(h, '', 7, 8) .. '-' .. table.concat(h, '', 9, 10) .. '-' .. table.concat(h, '', 11, 16)
end)
end
return M
|
