// This is really an os package test but here for convenience.
func testSetEnv(t *testing.T) {
const key = "CGO_OS_TEST_KEY"
const val = "CGO_OS_TEST_VALUE"
os.Setenv(key, val)
keyc := C.CString(key)
defer C.free(unsafe.Pointer(keyc))
v := C.getenv(keyc)
if v == (*C.char)(unsafe.Pointer(uintptr(0))) {
t.Fatal("getenv returned NULL")
}
vs := C.GoString(v)
if vs != val {
t.Fatalf("getenv() = %q; want %q", vs, val)
}
}
//export callMain
func callMain(mainPC uintptr) {
for _, name := range []string{"TMPDIR", "PATH", "LD_LIBRARY_PATH"} {
n := C.CString(name)
os.Setenv(name, C.GoString(C.getenv(n)))
C.free(unsafe.Pointer(n))
}
// Set timezone.
//
// Note that Android zoneinfo is stored in /system/usr/share/zoneinfo,
// but it is in some kind of packed TZiff file that we do not support
// yet. As a stopgap, we build a fixed zone using the tm_zone name.
var curtime C.time_t
var curtm C.struct_tm
C.time(&curtime)
C.localtime_r(&curtime, &curtm)
tzOffset := int(curtm.tm_gmtoff)
tz := C.GoString(curtm.tm_zone)
time.Local = time.FixedZone(tz, tzOffset)
go callfn.CallFn(mainPC)
}
// This is really an os package test but here for convenience.
func testSetEnv(t *testing.T) {
if runtime.GOOS == "windows" {
// Go uses SetEnvironmentVariable on windows. Howerver,
// C runtime takes a *copy* at process startup of thei
// OS environment, and stores it in environ/envp.
// It is this copy that getenv/putenv manipulate.
t.Logf("skipping test")
return
}
const key = "CGO_OS_TEST_KEY"
const val = "CGO_OS_TEST_VALUE"
os.Setenv(key, val)
keyc := C.CString(key)
defer C.free(unsafe.Pointer(keyc))
v := C.getenv(keyc)
if uintptr(unsafe.Pointer(v)) == 0 {
t.Fatal("getenv returned NULL")
}
vs := C.GoString(v)
if vs != val {
t.Fatalf("getenv() = %q; want %q", vs, val)
}
}