| // +build cgo |
| // run |
| |
| // Copyright 2020 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| package main |
| |
| // #include <stdlib.h> |
| // #include <unistd.h> |
| import "C" |
| |
| import "os" |
| |
| func main() { |
| os.Setenv("FOO", "bar") |
| s := C.GoString(C.getenv(C.CString("FOO"))) |
| if s != "bar" { |
| panic("bad setenv, environment variable only has value \"" + s + "\"") |
| } |
| os.Unsetenv("FOO") |
| s = C.GoString(C.getenv(C.CString("FOO"))) |
| if s != "" { |
| panic("bad unsetenv, environment variable still has value \"" + s + "\"") |
| } |
| } |
