forked from waja/action-debian-package
24 lines
544 B
JavaScript
24 lines
544 B
JavaScript
|
import rng from './rng.js';
|
||
|
import stringify from './stringify.js';
|
||
|
|
||
|
function v4(options, buf, offset) {
|
||
|
options = options || {};
|
||
|
var rnds = options.random || (options.rng || rng)(); // Per 4.4, set bits for version and `clock_seq_hi_and_reserved`
|
||
|
|
||
|
rnds[6] = rnds[6] & 0x0f | 0x40;
|
||
|
rnds[8] = rnds[8] & 0x3f | 0x80; // Copy bytes to buffer, if provided
|
||
|
|
||
|
if (buf) {
|
||
|
offset = offset || 0;
|
||
|
|
||
|
for (var i = 0; i < 16; ++i) {
|
||
|
buf[offset + i] = rnds[i];
|
||
|
}
|
||
|
|
||
|
return buf;
|
||
|
}
|
||
|
|
||
|
return stringify(rnds);
|
||
|
}
|
||
|
|
||
|
export default v4;
|