From 565d1689e9f2c1f6b657f14b07fa9b95e50a5a56 Mon Sep 17 00:00:00 2001
From: Ai Hoshino <ambiguous404@gmail.com>
Date: Sun, 9 Jul 2023 22:20:52 +0800
Subject: fix metadata bits of uuid (`randomUUID()`) (#3583)

* fix uuid version
Close: https://github.com/oven-sh/bun/issues/3575

* add unittest

* small fix

* avoid unnecessary copying
---
 src/bun.js/uuid.zig | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'src/bun.js/uuid.zig')

diff --git a/src/bun.js/uuid.zig b/src/bun.js/uuid.zig
index e8bdff661..e38ed567f 100644
--- a/src/bun.js/uuid.zig
+++ b/src/bun.js/uuid.zig
@@ -18,6 +18,16 @@ pub fn init() UUID {
     uuid.bytes[6] = (uuid.bytes[6] & 0x0f) | 0x40;
     // Variant 1
     uuid.bytes[8] = (uuid.bytes[8] & 0x3f) | 0x80;
+
+    return uuid;
+}
+
+pub fn initWith(bytes: *const [16]u8) UUID {
+    var uuid = UUID{ .bytes = bytes.* };
+
+    uuid.bytes[6] = (uuid.bytes[6] & 0x0f) | 0x40;
+    uuid.bytes[8] = (uuid.bytes[8] & 0x3f) | 0x80;
+
     return uuid;
 }
 
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