aboutsummaryrefslogtreecommitdiffstats
path: root/vendor/github.com/google/uuid/version7.go
diff options
context:
space:
mode:
authorTaras Madan <tarasmadan@google.com>2024-01-18 17:24:16 +0100
committerTaras Madan <tarasmadan@google.com>2024-01-18 16:35:00 +0000
commit21772ce4342bc8ecbb3e7c8747bba9aec14f3bbb (patch)
tree74b7a3823242a8c79fd1d365aae660fdcd4a19d3 /vendor/github.com/google/uuid/version7.go
parentdf0ec93c2662a5189ec2077aee2bf823e392bf25 (diff)
Revert "mod: do: bump google.golang.org/api from 0.153.0 to 0.156.0"
Diffstat (limited to 'vendor/github.com/google/uuid/version7.go')
-rw-r--r--vendor/github.com/google/uuid/version7.go75
1 files changed, 0 insertions, 75 deletions
diff --git a/vendor/github.com/google/uuid/version7.go b/vendor/github.com/google/uuid/version7.go
deleted file mode 100644
index ba9dd5eb6..000000000
--- a/vendor/github.com/google/uuid/version7.go
+++ /dev/null
@@ -1,75 +0,0 @@
-// Copyright 2023 Google Inc. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package uuid
-
-import (
- "io"
-)
-
-// UUID version 7 features a time-ordered value field derived from the widely
-// implemented and well known Unix Epoch timestamp source,
-// the number of milliseconds seconds since midnight 1 Jan 1970 UTC, leap seconds excluded.
-// As well as improved entropy characteristics over versions 1 or 6.
-//
-// see https://datatracker.ietf.org/doc/html/draft-peabody-dispatch-new-uuid-format-03#name-uuid-version-7
-//
-// Implementations SHOULD utilize UUID version 7 over UUID version 1 and 6 if possible.
-//
-// NewV7 returns a Version 7 UUID based on the current time(Unix Epoch).
-// Uses the randomness pool if it was enabled with EnableRandPool.
-// On error, NewV7 returns Nil and an error
-func NewV7() (UUID, error) {
- uuid, err := NewRandom()
- if err != nil {
- return uuid, err
- }
- makeV7(uuid[:])
- return uuid, nil
-}
-
-// NewV7FromReader returns a Version 7 UUID based on the current time(Unix Epoch).
-// it use NewRandomFromReader fill random bits.
-// On error, NewV7FromReader returns Nil and an error.
-func NewV7FromReader(r io.Reader) (UUID, error) {
- uuid, err := NewRandomFromReader(r)
- if err != nil {
- return uuid, err
- }
-
- makeV7(uuid[:])
- return uuid, nil
-}
-
-// makeV7 fill 48 bits time (uuid[0] - uuid[5]), set version b0111 (uuid[6])
-// uuid[8] already has the right version number (Variant is 10)
-// see function NewV7 and NewV7FromReader
-func makeV7(uuid []byte) {
- /*
- 0 1 2 3
- 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- | unix_ts_ms |
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- | unix_ts_ms | ver | rand_a |
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- |var| rand_b |
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- | rand_b |
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- */
- _ = uuid[15] // bounds check
-
- t := timeNow().UnixMilli()
-
- uuid[0] = byte(t >> 40)
- uuid[1] = byte(t >> 32)
- uuid[2] = byte(t >> 24)
- uuid[3] = byte(t >> 16)
- uuid[4] = byte(t >> 8)
- uuid[5] = byte(t)
-
- uuid[6] = 0x70 | (uuid[6] & 0x0F)
- // uuid[8] has already has right version
-}