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Use S_FALSE and MaxInt

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This commit is contained in:
DRON-666 2024-04-29 01:25:25 +03:00
parent 90b168eb6c
commit 7ee889bb0d
1 changed files with 6 additions and 4 deletions
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10
internal/fs/vss_windows.go
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@ -5,6 +5,7 @@ package fs
import (
"fmt"
"math"
"path/filepath"
"runtime"
"strings"
@ -24,6 +25,7 @@ type HRESULT uint
//nolint:golint
const (
S_OK HRESULT = 0x00000000
S_FALSE HRESULT = 0x00000001
E_ACCESSDENIED HRESULT = 0x80070005
E_OUTOFMEMORY HRESULT = 0x8007000E
E_INVALIDARG HRESULT = 0x80070057
@ -640,7 +642,7 @@ func (vssAsync *IVSSAsync) QueryStatus() (HRESULT, uint32) {
// WaitUntilAsyncFinished waits until either the async call is finished or
// the given timeout is reached.
func (vssAsync *IVSSAsync) WaitUntilAsyncFinished(timeout time.Duration) error {
const maxTimeout = 2147483647 * time.Millisecond
const maxTimeout = math.MaxInt32 * time.Millisecond
if timeout > maxTimeout {
timeout = maxTimeout
}
@ -740,7 +742,7 @@ func (vssEnum *IVssEnumObject) Next(count uint, props unsafe.Pointer) (uint, err
result, _, _ := syscall.Syscall6(vssEnum.getVTable().next, 4,
uintptr(unsafe.Pointer(vssEnum)), uintptr(count), uintptr(props),
uintptr(unsafe.Pointer(&fetched)), 0, 0)
if result == 1 {
if HRESULT(result) == S_FALSE {
return uint(fetched), nil
}
@ -791,8 +793,8 @@ func initializeVssCOMInterface() (*ole.IUnknown, error) {
// ensure COM is initialized before use
if err = ole.CoInitializeEx(0, ole.COINIT_MULTITHREADED); err != nil {
// CoInitializeEx returns 1 if COM is already initialized
if oleErr, ok := err.(*ole.OleError); !ok || oleErr.Code() != 1 {
// CoInitializeEx returns S_FALSE if COM is already initialized
if oleErr, ok := err.(*ole.OleError); !ok || HRESULT(oleErr.Code()) != S_FALSE {
return nil, err
}
}