| // +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 + "\"") | |
| } | |
| } |