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authorLibravatar Rutger Broekhoff2024-01-02 18:56:31 +0100
committerLibravatar Rutger Broekhoff2024-01-02 18:56:31 +0100
commit8db41da676ac8368ef7c2549d56239a5ff5eedde (patch)
tree09c427fd66de2ec1ebffc8342f5fdbb84b0701b5 /vendor/golang.org/x/sys/unix/timestruct.go
parentd4f75fb6db22e57577867445a022227e70958931 (diff)
downloadgitolfs3-8db41da676ac8368ef7c2549d56239a5ff5eedde.tar.gz
gitolfs3-8db41da676ac8368ef7c2549d56239a5ff5eedde.zip
Delete vendor directory
Diffstat (limited to 'vendor/golang.org/x/sys/unix/timestruct.go')
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diff --git a/vendor/golang.org/x/sys/unix/timestruct.go b/vendor/golang.org/x/sys/unix/timestruct.go
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1// Copyright 2017 The Go Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style
3// license that can be found in the LICENSE file.
4
5//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || zos
6
7package unix
8
9import "time"
10
11// TimespecToNsec returns the time stored in ts as nanoseconds.
12func TimespecToNsec(ts Timespec) int64 { return ts.Nano() }
13
14// NsecToTimespec converts a number of nanoseconds into a Timespec.
15func NsecToTimespec(nsec int64) Timespec {
16 sec := nsec / 1e9
17 nsec = nsec % 1e9
18 if nsec < 0 {
19 nsec += 1e9
20 sec--
21 }
22 return setTimespec(sec, nsec)
23}
24
25// TimeToTimespec converts t into a Timespec.
26// On some 32-bit systems the range of valid Timespec values are smaller
27// than that of time.Time values. So if t is out of the valid range of
28// Timespec, it returns a zero Timespec and ERANGE.
29func TimeToTimespec(t time.Time) (Timespec, error) {
30 sec := t.Unix()
31 nsec := int64(t.Nanosecond())
32 ts := setTimespec(sec, nsec)
33
34 // Currently all targets have either int32 or int64 for Timespec.Sec.
35 // If there were a new target with floating point type for it, we have
36 // to consider the rounding error.
37 if int64(ts.Sec) != sec {
38 return Timespec{}, ERANGE
39 }
40 return ts, nil
41}
42
43// TimevalToNsec returns the time stored in tv as nanoseconds.
44func TimevalToNsec(tv Timeval) int64 { return tv.Nano() }
45
46// NsecToTimeval converts a number of nanoseconds into a Timeval.
47func NsecToTimeval(nsec int64) Timeval {
48 nsec += 999 // round up to microsecond
49 usec := nsec % 1e9 / 1e3
50 sec := nsec / 1e9
51 if usec < 0 {
52 usec += 1e6
53 sec--
54 }
55 return setTimeval(sec, usec)
56}
57
58// Unix returns the time stored in ts as seconds plus nanoseconds.
59func (ts *Timespec) Unix() (sec int64, nsec int64) {
60 return int64(ts.Sec), int64(ts.Nsec)
61}
62
63// Unix returns the time stored in tv as seconds plus nanoseconds.
64func (tv *Timeval) Unix() (sec int64, nsec int64) {
65 return int64(tv.Sec), int64(tv.Usec) * 1000
66}
67
68// Nano returns the time stored in ts as nanoseconds.
69func (ts *Timespec) Nano() int64 {
70 return int64(ts.Sec)*1e9 + int64(ts.Nsec)
71}
72
73// Nano returns the time stored in tv as nanoseconds.
74func (tv *Timeval) Nano() int64 {
75 return int64(tv.Sec)*1e9 + int64(tv.Usec)*1000
76}