
This does not yet include support for the //go:embed directive added in this release. * Makefile.am (check-runtime): Don't create check-runtime-dir. (mostlyclean-local): Don't remove check-runtime-dir. (check-go-tool, check-vet): Copy in go.mod and modules.txt. (check-cgo-test, check-carchive-test): Add go.mod file. * Makefile.in: Regenerate. Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/280172
69 lines
1.7 KiB
Go
69 lines
1.7 KiB
Go
// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build aix darwin,!ios dragonfly freebsd hurd linux,!android netbsd openbsd solaris
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// Parse "zoneinfo" time zone file.
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// This is a fairly standard file format used on OS X, Linux, BSD, Sun, and others.
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// See tzfile(5), https://en.wikipedia.org/wiki/Zoneinfo,
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// and ftp://munnari.oz.au/pub/oldtz/
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package time
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import (
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"runtime"
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"syscall"
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)
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// Many systems use /usr/share/zoneinfo, Solaris 2 has
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// /usr/share/lib/zoneinfo, IRIX 6 has /usr/lib/locale/TZ.
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var zoneSources = []string{
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"/usr/share/zoneinfo/",
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"/usr/share/lib/zoneinfo/",
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"/usr/lib/locale/TZ/",
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runtime.GOROOT() + "/lib/time/zoneinfo.zip",
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}
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func initLocal() {
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// consult $TZ to find the time zone to use.
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// no $TZ means use the system default /etc/localtime.
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// $TZ="" means use UTC.
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// $TZ="foo" or $TZ=":foo" if foo is an absolute path, then the file pointed
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// by foo will be used to initialize timezone; otherwise, file
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// /usr/share/zoneinfo/foo will be used.
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tz, ok := syscall.Getenv("TZ")
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switch {
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case !ok:
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z, err := loadLocation("localtime", []string{"/etc"})
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if err == nil {
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localLoc = *z
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localLoc.name = "Local"
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return
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}
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case tz != "":
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if tz[0] == ':' {
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tz = tz[1:]
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}
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if tz != "" && tz[0] == '/' {
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if z, err := loadLocation(tz, []string{""}); err == nil {
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localLoc = *z
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if tz == "/etc/localtime" {
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localLoc.name = "Local"
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} else {
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localLoc.name = tz
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}
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return
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}
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} else if tz != "" && tz != "UTC" {
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if z, err := loadLocation(tz, zoneSources); err == nil {
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localLoc = *z
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return
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}
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}
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}
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// Fall back to UTC.
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localLoc.name = "UTC"
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}
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