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net,os: use os.LookupEnv instead of syscall.Getenv

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The os package already has a function for retrieving an environment
variable with a ok boolean, we don't need to use syscall directly.

Change-Id: Ife873e7245261ec765b628e31a0e7a7bc4dff934
GitHub-Last-Rev: bc5f30bf56
GitHub-Pull-Request: golang/go#69700
Reviewed-on: https://go-review.googlesource.com/c/go/+/616342
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
This commit is contained in:
Mateusz Poliwczak 2024-09-28 16:20:58 +00:00 committed by Gopher Robot
parent 869932d700
commit 0fb33863b7
2 changed files with 2 additions and 4 deletions
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3
src/net/conf.go
View File

@ -13,7 +13,6 @@ import (
"os"
"runtime"
"sync"
"syscall"
)
// The net package's name resolution is rather complicated.
@ -138,7 +137,7 @@ func initConfVal() {
// prefer the cgo resolver.
// Note that LOCALDOMAIN can change behavior merely by being
// specified with the empty string.
_, localDomainDefined := syscall.Getenv("LOCALDOMAIN")
_, localDomainDefined := os.LookupEnv("LOCALDOMAIN")
if localDomainDefined || os.Getenv("RES_OPTIONS") != "" || os.Getenv("HOSTALIASES") != "" {
confVal.preferCgo = true
return

3
src/os/exec/lp_windows.go
View File

@ -10,7 +10,6 @@ import (
"os"
"path/filepath"
"strings"
"syscall"
)
// ErrNotFound is the error resulting if a path search failed to find an executable file.
@ -154,7 +153,7 @@ func lookPath(file string, exts []string) (string, error) {
dotf string
dotErr error
)
if _, found := syscall.Getenv("NoDefaultCurrentDirectoryInExePath"); !found {
if _, found := os.LookupEnv("NoDefaultCurrentDirectoryInExePath"); !found {
if f, err := findExecutable(filepath.Join(".", file), exts); err == nil {
if execerrdot.Value() == "0" {
execerrdot.IncNonDefault()