diff options
Diffstat (limited to 'vendor/golang.org/x/sys/windows/registry/registry_test.go')
| -rw-r--r-- | vendor/golang.org/x/sys/windows/registry/registry_test.go | 756 |
1 files changed, 0 insertions, 756 deletions
diff --git a/vendor/golang.org/x/sys/windows/registry/registry_test.go b/vendor/golang.org/x/sys/windows/registry/registry_test.go deleted file mode 100644 index 9c1b782..0000000 --- a/vendor/golang.org/x/sys/windows/registry/registry_test.go +++ /dev/null @@ -1,756 +0,0 @@ -// Copyright 2015 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. - -// +build windows - -package registry_test - -import ( - "bytes" - "crypto/rand" - "os" - "syscall" - "testing" - "time" - "unsafe" - - "golang.org/x/sys/windows/registry" -) - -func randKeyName(prefix string) string { - const numbers = "0123456789" - buf := make([]byte, 10) - rand.Read(buf) - for i, b := range buf { - buf[i] = numbers[b%byte(len(numbers))] - } - return prefix + string(buf) -} - -func TestReadSubKeyNames(t *testing.T) { - k, err := registry.OpenKey(registry.CLASSES_ROOT, "TypeLib", registry.ENUMERATE_SUB_KEYS|registry.QUERY_VALUE) - if err != nil { - t.Fatal(err) - } - defer k.Close() - - names, err := k.ReadSubKeyNames(-1) - if err != nil { - t.Fatal(err) - } - var foundStdOle bool - for _, name := range names { - // Every PC has "stdole 2.0 OLE Automation" library installed. - if name == "{00020430-0000-0000-C000-000000000046}" { - foundStdOle = true - } - } - if !foundStdOle { - t.Fatal("could not find stdole 2.0 OLE Automation") - } -} - -func TestCreateOpenDeleteKey(t *testing.T) { - k, err := registry.OpenKey(registry.CURRENT_USER, "Software", registry.QUERY_VALUE) - if err != nil { - t.Fatal(err) - } - defer k.Close() - - testKName := randKeyName("TestCreateOpenDeleteKey_") - - testK, exist, err := registry.CreateKey(k, testKName, registry.CREATE_SUB_KEY) - if err != nil { - t.Fatal(err) - } - defer testK.Close() - - if exist { - t.Fatalf("key %q already exists", testKName) - } - - testKAgain, exist, err := registry.CreateKey(k, testKName, registry.CREATE_SUB_KEY) - if err != nil { - t.Fatal(err) - } - defer testKAgain.Close() - - if !exist { - t.Fatalf("key %q should already exist", testKName) - } - - testKOpened, err := registry.OpenKey(k, testKName, registry.ENUMERATE_SUB_KEYS) - if err != nil { - t.Fatal(err) - } - defer testKOpened.Close() - - err = registry.DeleteKey(k, testKName) - if err != nil { - t.Fatal(err) - } - - testKOpenedAgain, err := registry.OpenKey(k, testKName, registry.ENUMERATE_SUB_KEYS) - if err == nil { - defer testKOpenedAgain.Close() - t.Fatalf("key %q should already been deleted", testKName) - } - if err != registry.ErrNotExist { - t.Fatalf(`unexpected error ("not exist" expected): %v`, err) - } -} - -func equalStringSlice(a, b []string) bool { - if len(a) != len(b) { - return false - } - if a == nil { - return true - } - for i := range a { - if a[i] != b[i] { - return false - } - } - return true -} - -type ValueTest struct { - Type uint32 - Name string - Value interface{} - WillFail bool -} - -var ValueTests = []ValueTest{ - {Type: registry.SZ, Name: "String1", Value: ""}, - {Type: registry.SZ, Name: "String2", Value: "\000", WillFail: true}, - {Type: registry.SZ, Name: "String3", Value: "Hello World"}, - {Type: registry.SZ, Name: "String4", Value: "Hello World\000", WillFail: true}, - {Type: registry.EXPAND_SZ, Name: "ExpString1", Value: ""}, - {Type: registry.EXPAND_SZ, Name: "ExpString2", Value: "\000", WillFail: true}, - {Type: registry.EXPAND_SZ, Name: "ExpString3", Value: "Hello World"}, - {Type: registry.EXPAND_SZ, Name: "ExpString4", Value: "Hello\000World", WillFail: true}, - {Type: registry.EXPAND_SZ, Name: "ExpString5", Value: "%PATH%"}, - {Type: registry.EXPAND_SZ, Name: "ExpString6", Value: "%NO_SUCH_VARIABLE%"}, - {Type: registry.EXPAND_SZ, Name: "ExpString7", Value: "%PATH%;."}, - {Type: registry.BINARY, Name: "Binary1", Value: []byte{}}, - {Type: registry.BINARY, Name: "Binary2", Value: []byte{1, 2, 3}}, - {Type: registry.BINARY, Name: "Binary3", Value: []byte{3, 2, 1, 0, 1, 2, 3}}, - {Type: registry.DWORD, Name: "Dword1", Value: uint64(0)}, - {Type: registry.DWORD, Name: "Dword2", Value: uint64(1)}, - {Type: registry.DWORD, Name: "Dword3", Value: uint64(0xff)}, - {Type: registry.DWORD, Name: "Dword4", Value: uint64(0xffff)}, - {Type: registry.QWORD, Name: "Qword1", Value: uint64(0)}, - {Type: registry.QWORD, Name: "Qword2", Value: uint64(1)}, - {Type: registry.QWORD, Name: "Qword3", Value: uint64(0xff)}, - {Type: registry.QWORD, Name: "Qword4", Value: uint64(0xffff)}, - {Type: registry.QWORD, Name: "Qword5", Value: uint64(0xffffff)}, - {Type: registry.QWORD, Name: "Qword6", Value: uint64(0xffffffff)}, - {Type: registry.MULTI_SZ, Name: "MultiString1", Value: []string{"a", "b", "c"}}, - {Type: registry.MULTI_SZ, Name: "MultiString2", Value: []string{"abc", "", "cba"}}, - {Type: registry.MULTI_SZ, Name: "MultiString3", Value: []string{""}}, - {Type: registry.MULTI_SZ, Name: "MultiString4", Value: []string{"abcdef"}}, - {Type: registry.MULTI_SZ, Name: "MultiString5", Value: []string{"\000"}, WillFail: true}, - {Type: registry.MULTI_SZ, Name: "MultiString6", Value: []string{"a\000b"}, WillFail: true}, - {Type: registry.MULTI_SZ, Name: "MultiString7", Value: []string{"ab", "\000", "cd"}, WillFail: true}, - {Type: registry.MULTI_SZ, Name: "MultiString8", Value: []string{"\000", "cd"}, WillFail: true}, - {Type: registry.MULTI_SZ, Name: "MultiString9", Value: []string{"ab", "\000"}, WillFail: true}, -} - -func setValues(t *testing.T, k registry.Key) { - for _, test := range ValueTests { - var err error - switch test.Type { - case registry.SZ: - err = k.SetStringValue(test.Name, test.Value.(string)) - case registry.EXPAND_SZ: - err = k.SetExpandStringValue(test.Name, test.Value.(string)) - case registry.MULTI_SZ: - err = k.SetStringsValue(test.Name, test.Value.([]string)) - case registry.BINARY: - err = k.SetBinaryValue(test.Name, test.Value.([]byte)) - case registry.DWORD: - err = k.SetDWordValue(test.Name, uint32(test.Value.(uint64))) - case registry.QWORD: - err = k.SetQWordValue(test.Name, test.Value.(uint64)) - default: - t.Fatalf("unsupported type %d for %s value", test.Type, test.Name) - } - if test.WillFail { - if err == nil { - t.Fatalf("setting %s value %q should fail, but succeeded", test.Name, test.Value) - } - } else { - if err != nil { - t.Fatal(err) - } - } - } -} - -func enumerateValues(t *testing.T, k registry.Key) { - names, err := k.ReadValueNames(-1) - if err != nil { - t.Error(err) - return - } - haveNames := make(map[string]bool) - for _, n := range names { - haveNames[n] = false - } - for _, test := range ValueTests { - wantFound := !test.WillFail - _, haveFound := haveNames[test.Name] - if wantFound && !haveFound { - t.Errorf("value %s is not found while enumerating", test.Name) - } - if haveFound && !wantFound { - t.Errorf("value %s is found while enumerating, but expected to fail", test.Name) - } - if haveFound { - delete(haveNames, test.Name) - } - } - for n, v := range haveNames { - t.Errorf("value %s (%v) is found while enumerating, but has not been cretaed", n, v) - } -} - -func testErrNotExist(t *testing.T, name string, err error) { - if err == nil { - t.Errorf("%s value should not exist", name) - return - } - if err != registry.ErrNotExist { - t.Errorf("reading %s value should return 'not exist' error, but got: %s", name, err) - return - } -} - -func testErrUnexpectedType(t *testing.T, test ValueTest, gottype uint32, err error) { - if err == nil { - t.Errorf("GetXValue(%q) should not succeed", test.Name) - return - } - if err != registry.ErrUnexpectedType { - t.Errorf("reading %s value should return 'unexpected key value type' error, but got: %s", test.Name, err) - return - } - if gottype != test.Type { - t.Errorf("want %s value type %v, got %v", test.Name, test.Type, gottype) - return - } -} - -func testGetStringValue(t *testing.T, k registry.Key, test ValueTest) { - got, gottype, err := k.GetStringValue(test.Name) - if err != nil { - t.Errorf("GetStringValue(%s) failed: %v", test.Name, err) - return - } - if got != test.Value { - t.Errorf("want %s value %q, got %q", test.Name, test.Value, got) - return - } - if gottype != test.Type { - t.Errorf("want %s value type %v, got %v", test.Name, test.Type, gottype) - return - } - if gottype == registry.EXPAND_SZ { - _, err = registry.ExpandString(got) - if err != nil { - t.Errorf("ExpandString(%s) failed: %v", got, err) - return - } - } -} - -func testGetIntegerValue(t *testing.T, k registry.Key, test ValueTest) { - got, gottype, err := k.GetIntegerValue(test.Name) - if err != nil { - t.Errorf("GetIntegerValue(%s) failed: %v", test.Name, err) - return - } - if got != test.Value.(uint64) { - t.Errorf("want %s value %v, got %v", test.Name, test.Value, got) - return - } - if gottype != test.Type { - t.Errorf("want %s value type %v, got %v", test.Name, test.Type, gottype) - return - } -} - -func testGetBinaryValue(t *testing.T, k registry.Key, test ValueTest) { - got, gottype, err := k.GetBinaryValue(test.Name) - if err != nil { - t.Errorf("GetBinaryValue(%s) failed: %v", test.Name, err) - return - } - if !bytes.Equal(got, test.Value.([]byte)) { - t.Errorf("want %s value %v, got %v", test.Name, test.Value, got) - return - } - if gottype != test.Type { - t.Errorf("want %s value type %v, got %v", test.Name, test.Type, gottype) - return - } -} - -func testGetStringsValue(t *testing.T, k registry.Key, test ValueTest) { - got, gottype, err := k.GetStringsValue(test.Name) - if err != nil { - t.Errorf("GetStringsValue(%s) failed: %v", test.Name, err) - return - } - if !equalStringSlice(got, test.Value.([]string)) { - t.Errorf("want %s value %#v, got %#v", test.Name, test.Value, got) - return - } - if gottype != test.Type { - t.Errorf("want %s value type %v, got %v", test.Name, test.Type, gottype) - return - } -} - -func testGetValue(t *testing.T, k registry.Key, test ValueTest, size int) { - if size <= 0 { - return - } - // read data with no buffer - gotsize, gottype, err := k.GetValue(test.Name, nil) - if err != nil { - t.Errorf("GetValue(%s, [%d]byte) failed: %v", test.Name, size, err) - return - } - if gotsize != size { - t.Errorf("want %s value size of %d, got %v", test.Name, size, gotsize) - return - } - if gottype != test.Type { - t.Errorf("want %s value type %v, got %v", test.Name, test.Type, gottype) - return - } - // read data with short buffer - gotsize, gottype, err = k.GetValue(test.Name, make([]byte, size-1)) - if err == nil { - t.Errorf("GetValue(%s, [%d]byte) should fail, but suceeded", test.Name, size-1) - return - } - if err != registry.ErrShortBuffer { - t.Errorf("reading %s value should return 'short buffer' error, but got: %s", test.Name, err) - return - } - if gotsize != size { - t.Errorf("want %s value size of %d, got %v", test.Name, size, gotsize) - return - } - if gottype != test.Type { - t.Errorf("want %s value type %v, got %v", test.Name, test.Type, gottype) - return - } - // read full data - gotsize, gottype, err = k.GetValue(test.Name, make([]byte, size)) - if err != nil { - t.Errorf("GetValue(%s, [%d]byte) failed: %v", test.Name, size, err) - return - } - if gotsize != size { - t.Errorf("want %s value size of %d, got %v", test.Name, size, gotsize) - return - } - if gottype != test.Type { - t.Errorf("want %s value type %v, got %v", test.Name, test.Type, gottype) - return - } - // check GetValue returns ErrNotExist as required - _, _, err = k.GetValue(test.Name+"_not_there", make([]byte, size)) - if err == nil { - t.Errorf("GetValue(%q) should not succeed", test.Name) - return - } - if err != registry.ErrNotExist { - t.Errorf("GetValue(%q) should return 'not exist' error, but got: %s", test.Name, err) - return - } -} - -func testValues(t *testing.T, k registry.Key) { - for _, test := range ValueTests { - switch test.Type { - case registry.SZ, registry.EXPAND_SZ: - if test.WillFail { - _, _, err := k.GetStringValue(test.Name) - testErrNotExist(t, test.Name, err) - } else { - testGetStringValue(t, k, test) - _, gottype, err := k.GetIntegerValue(test.Name) - testErrUnexpectedType(t, test, gottype, err) - // Size of utf16 string in bytes is not perfect, - // but correct for current test values. - // Size also includes terminating 0. - testGetValue(t, k, test, (len(test.Value.(string))+1)*2) - } - _, _, err := k.GetStringValue(test.Name + "_string_not_created") - testErrNotExist(t, test.Name+"_string_not_created", err) - case registry.DWORD, registry.QWORD: - testGetIntegerValue(t, k, test) - _, gottype, err := k.GetBinaryValue(test.Name) - testErrUnexpectedType(t, test, gottype, err) - _, _, err = k.GetIntegerValue(test.Name + "_int_not_created") - testErrNotExist(t, test.Name+"_int_not_created", err) - size := 8 - if test.Type == registry.DWORD { - size = 4 - } - testGetValue(t, k, test, size) - case registry.BINARY: - testGetBinaryValue(t, k, test) - _, gottype, err := k.GetStringsValue(test.Name) - testErrUnexpectedType(t, test, gottype, err) - _, _, err = k.GetBinaryValue(test.Name + "_byte_not_created") - testErrNotExist(t, test.Name+"_byte_not_created", err) - testGetValue(t, k, test, len(test.Value.([]byte))) - case registry.MULTI_SZ: - if test.WillFail { - _, _, err := k.GetStringsValue(test.Name) - testErrNotExist(t, test.Name, err) - } else { - testGetStringsValue(t, k, test) - _, gottype, err := k.GetStringValue(test.Name) - testErrUnexpectedType(t, test, gottype, err) - size := 0 - for _, s := range test.Value.([]string) { - size += len(s) + 1 // nil terminated - } - size += 1 // extra nil at the end - size *= 2 // count bytes, not uint16 - testGetValue(t, k, test, size) - } - _, _, err := k.GetStringsValue(test.Name + "_strings_not_created") - testErrNotExist(t, test.Name+"_strings_not_created", err) - default: - t.Errorf("unsupported type %d for %s value", test.Type, test.Name) - continue - } - } -} - -func testStat(t *testing.T, k registry.Key) { - subk, _, err := registry.CreateKey(k, "subkey", registry.CREATE_SUB_KEY) - if err != nil { - t.Error(err) - return - } - defer subk.Close() - - defer registry.DeleteKey(k, "subkey") - - ki, err := k.Stat() - if err != nil { - t.Error(err) - return - } - if ki.SubKeyCount != 1 { - t.Error("key must have 1 subkey") - } - if ki.MaxSubKeyLen != 6 { - t.Error("key max subkey name length must be 6") - } - if ki.ValueCount != 24 { - t.Errorf("key must have 24 values, but is %d", ki.ValueCount) - } - if ki.MaxValueNameLen != 12 { - t.Errorf("key max value name length must be 10, but is %d", ki.MaxValueNameLen) - } - if ki.MaxValueLen != 38 { - t.Errorf("key max value length must be 38, but is %d", ki.MaxValueLen) - } - if mt, ct := ki.ModTime(), time.Now(); ct.Sub(mt) > 100*time.Millisecond { - t.Errorf("key mod time is not close to current time: mtime=%v current=%v delta=%v", mt, ct, ct.Sub(mt)) - } -} - -func deleteValues(t *testing.T, k registry.Key) { - for _, test := range ValueTests { - if test.WillFail { - continue - } - err := k.DeleteValue(test.Name) - if err != nil { - t.Error(err) - continue - } - } - names, err := k.ReadValueNames(-1) - if err != nil { - t.Error(err) - return - } - if len(names) != 0 { - t.Errorf("some values remain after deletion: %v", names) - } -} - -func TestValues(t *testing.T) { - softwareK, err := registry.OpenKey(registry.CURRENT_USER, "Software", registry.QUERY_VALUE) - if err != nil { - t.Fatal(err) - } - defer softwareK.Close() - - testKName := randKeyName("TestValues_") - - k, exist, err := registry.CreateKey(softwareK, testKName, registry.CREATE_SUB_KEY|registry.QUERY_VALUE|registry.SET_VALUE) - if err != nil { - t.Fatal(err) - } - defer k.Close() - - if exist { - t.Fatalf("key %q already exists", testKName) - } - - defer registry.DeleteKey(softwareK, testKName) - - setValues(t, k) - - enumerateValues(t, k) - - testValues(t, k) - - testStat(t, k) - - deleteValues(t, k) -} - -func walkKey(t *testing.T, k registry.Key, kname string) { - names, err := k.ReadValueNames(-1) - if err != nil { - t.Fatalf("reading value names of %s failed: %v", kname, err) - } - for _, name := range names { - _, valtype, err := k.GetValue(name, nil) - if err != nil { - t.Fatalf("reading value type of %s of %s failed: %v", name, kname, err) - } - switch valtype { - case registry.NONE: - case registry.SZ: - _, _, err := k.GetStringValue(name) - if err != nil { - t.Error(err) - } - case registry.EXPAND_SZ: - s, _, err := k.GetStringValue(name) - if err != nil { - t.Error(err) - } - _, err = registry.ExpandString(s) - if err != nil { - t.Error(err) - } - case registry.DWORD, registry.QWORD: - _, _, err := k.GetIntegerValue(name) - if err != nil { - t.Error(err) - } - case registry.BINARY: - _, _, err := k.GetBinaryValue(name) - if err != nil { - t.Error(err) - } - case registry.MULTI_SZ: - _, _, err := k.GetStringsValue(name) - if err != nil { - t.Error(err) - } - case registry.FULL_RESOURCE_DESCRIPTOR, registry.RESOURCE_LIST, registry.RESOURCE_REQUIREMENTS_LIST: - // TODO: not implemented - default: - t.Fatalf("value type %d of %s of %s failed: %v", valtype, name, kname, err) - } - } - - names, err = k.ReadSubKeyNames(-1) - if err != nil { - t.Fatalf("reading sub-keys of %s failed: %v", kname, err) - } - for _, name := range names { - func() { - subk, err := registry.OpenKey(k, name, registry.ENUMERATE_SUB_KEYS|registry.QUERY_VALUE) - if err != nil { - if err == syscall.ERROR_ACCESS_DENIED { - // ignore error, if we are not allowed to access this key - return - } - t.Fatalf("opening sub-keys %s of %s failed: %v", name, kname, err) - } - defer subk.Close() - - walkKey(t, subk, kname+`\`+name) - }() - } -} - -func TestWalkFullRegistry(t *testing.T) { - if testing.Short() { - t.Skip("skipping long running test in short mode") - } - walkKey(t, registry.CLASSES_ROOT, "CLASSES_ROOT") - walkKey(t, registry.CURRENT_USER, "CURRENT_USER") - walkKey(t, registry.LOCAL_MACHINE, "LOCAL_MACHINE") - walkKey(t, registry.USERS, "USERS") - walkKey(t, registry.CURRENT_CONFIG, "CURRENT_CONFIG") -} - -func TestExpandString(t *testing.T) { - got, err := registry.ExpandString("%PATH%") - if err != nil { - t.Fatal(err) - } - want := os.Getenv("PATH") - if got != want { - t.Errorf("want %q string expanded, got %q", want, got) - } -} - -func TestInvalidValues(t *testing.T) { - softwareK, err := registry.OpenKey(registry.CURRENT_USER, "Software", registry.QUERY_VALUE) - if err != nil { - t.Fatal(err) - } - defer softwareK.Close() - - testKName := randKeyName("TestInvalidValues_") - - k, exist, err := registry.CreateKey(softwareK, testKName, registry.CREATE_SUB_KEY|registry.QUERY_VALUE|registry.SET_VALUE) - if err != nil { - t.Fatal(err) - } - defer k.Close() - - if exist { - t.Fatalf("key %q already exists", testKName) - } - - defer registry.DeleteKey(softwareK, testKName) - - var tests = []struct { - Type uint32 - Name string - Data []byte - }{ - {registry.DWORD, "Dword1", nil}, - {registry.DWORD, "Dword2", []byte{1, 2, 3}}, - {registry.QWORD, "Qword1", nil}, - {registry.QWORD, "Qword2", []byte{1, 2, 3}}, - {registry.QWORD, "Qword3", []byte{1, 2, 3, 4, 5, 6, 7}}, - {registry.MULTI_SZ, "MultiString1", nil}, - {registry.MULTI_SZ, "MultiString2", []byte{0}}, - {registry.MULTI_SZ, "MultiString3", []byte{'a', 'b', 0}}, - {registry.MULTI_SZ, "MultiString4", []byte{'a', 0, 0, 'b', 0}}, - {registry.MULTI_SZ, "MultiString5", []byte{'a', 0, 0}}, - } - - for _, test := range tests { - err := k.SetValue(test.Name, test.Type, test.Data) - if err != nil { - t.Fatalf("SetValue for %q failed: %v", test.Name, err) - } - } - - for _, test := range tests { - switch test.Type { - case registry.DWORD, registry.QWORD: - value, valType, err := k.GetIntegerValue(test.Name) - if err == nil { - t.Errorf("GetIntegerValue(%q) succeeded. Returns type=%d value=%v", test.Name, valType, value) - } - case registry.MULTI_SZ: - value, valType, err := k.GetStringsValue(test.Name) - if err == nil { - if len(value) != 0 { - t.Errorf("GetStringsValue(%q) succeeded. Returns type=%d value=%v", test.Name, valType, value) - } - } - default: - t.Errorf("unsupported type %d for %s value", test.Type, test.Name) - } - } -} - -func TestGetMUIStringValue(t *testing.T) { - if err := registry.LoadRegLoadMUIString(); err != nil { - t.Skip("regLoadMUIString not supported; skipping") - } - if err := procGetDynamicTimeZoneInformation.Find(); err != nil { - t.Skipf("%s not supported; skipping", procGetDynamicTimeZoneInformation.Name) - } - var dtzi DynamicTimezoneinformation - if _, err := GetDynamicTimeZoneInformation(&dtzi); err != nil { - t.Fatal(err) - } - tzKeyName := syscall.UTF16ToString(dtzi.TimeZoneKeyName[:]) - timezoneK, err := registry.OpenKey(registry.LOCAL_MACHINE, - `SOFTWARE\Microsoft\Windows NT\CurrentVersion\Time Zones\`+tzKeyName, registry.READ) - if err != nil { - t.Fatal(err) - } - defer timezoneK.Close() - - type testType struct { - name string - want string - } - var tests = []testType{ - {"MUI_Std", syscall.UTF16ToString(dtzi.StandardName[:])}, - } - if dtzi.DynamicDaylightTimeDisabled == 0 { - tests = append(tests, testType{"MUI_Dlt", syscall.UTF16ToString(dtzi.DaylightName[:])}) - } - - for _, test := range tests { - got, err := timezoneK.GetMUIStringValue(test.name) - if err != nil { - t.Error("GetMUIStringValue:", err) - } - - if got != test.want { - t.Errorf("GetMUIStringValue: %s: Got %q, want %q", test.name, got, test.want) - } - } -} - -type DynamicTimezoneinformation struct { - Bias int32 - StandardName [32]uint16 - StandardDate syscall.Systemtime - StandardBias int32 - DaylightName [32]uint16 - DaylightDate syscall.Systemtime - DaylightBias int32 - TimeZoneKeyName [128]uint16 - DynamicDaylightTimeDisabled uint8 -} - -var ( - kernel32DLL = syscall.NewLazyDLL("kernel32") - - procGetDynamicTimeZoneInformation = kernel32DLL.NewProc("GetDynamicTimeZoneInformation") -) - -func GetDynamicTimeZoneInformation(dtzi *DynamicTimezoneinformation) (rc uint32, err error) { - r0, _, e1 := syscall.Syscall(procGetDynamicTimeZoneInformation.Addr(), 1, uintptr(unsafe.Pointer(dtzi)), 0, 0) - rc = uint32(r0) - if rc == 0xffffffff { - if e1 != 0 { - err = error(e1) - } else { - err = syscall.EINVAL - } - } - return -} |