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os, syscall: update unreachable link about =C: envs 

Change-Id: I185dec133599f9c69fda7563697bbc33e433fb78
Reviewed-on: https://go-review.googlesource.com/c/go/+/507135
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
This commit is contained in:
Oleksandr Redko 2023-06-29 16:06:19 +03:00 committed by Gopher Robot
parent 5c1a15df41
commit e4ed92a355
2 changed files with 2 additions and 2 deletions
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2
src/os/env_test.go
View File

@ -130,7 +130,7 @@ func TestClearenv(t *testing.T) {
defer func(origEnv []string) {
for _, pair := range origEnv {
// Environment variables on Windows can begin with =
// https://blogs.msdn.com/b/oldnewthing/archive/2010/05/06/10008132.aspx
// https://devblogs.microsoft.com/oldnewthing/20100506-00/?p=14133
i := strings.Index(pair[1:], "=") + 1
if err := Setenv(pair[:i], pair[i+1:]); err != nil {
t.Errorf("Setenv(%q, %q) failed during reset: %v", pair[:i], pair[i+1:], err)

2
src/syscall/env_windows.go
View File

@ -62,7 +62,7 @@ func Clearenv() {
for _, s := range Environ() {
// Environment variables can begin with =
// so start looking for the separator = at j=1.
// https://blogs.msdn.com/b/oldnewthing/archive/2010/05/06/10008132.aspx
// https://devblogs.microsoft.com/oldnewthing/20100506-00/?p=14133
for j := 1; j < len(s); j++ {
if s[j] == '=' {
Unsetenv(s[0:j])