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| author |   Simon Rozman <simon@rozman.si> | 2019-02-04 08:23:55 +0100 |
|---|---|---|
| committer |   Jason A. Donenfeld <Jason@zx2c4.com> | 2019-02-05 12:59:42 +0100 |
| commit | 9635a0b3a69272aac998fad700344fac392d2adf (patch) | |
| tree | d6ff68dea9ac416df4de0bae05ce936d94cdcea6 /setupapi/zsetupapi_windows.go | |
| parent | Stop checking for valid handle in DevInfo.Close() (diff) | |
| download | wireguard-go-9635a0b3a69272aac998fad700344fac392d2adf.tar.xz wireguard-go-9635a0b3a69272aac998fad700344fac392d2adf.zip | |
Add support for setupapi.SetupDiClassNameFromGuid()
Signed-off-by: Simon Rozman <simon@rozman.si>
Diffstat (limited to '')
| -rw-r--r-- | setupapi/zsetupapi_windows.go | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/setupapi/zsetupapi_windows.go b/setupapi/zsetupapi_windows.go index a8c61ad..082bde4 100644 --- a/setupapi/zsetupapi_windows.go +++ b/setupapi/zsetupapi_windows.go @@ -39,6 +39,7 @@ func errnoErr(e syscall.Errno) error { var ( modsetupapi = windows.NewLazySystemDLL("setupapi.dll") + procSetupDiClassNameFromGuidW = modsetupapi.NewProc("SetupDiClassNameFromGuidW") procSetupDiGetClassDevsExW = modsetupapi.NewProc("SetupDiGetClassDevsExW") procSetupDiDestroyDeviceInfoList = modsetupapi.NewProc("SetupDiDestroyDeviceInfoList") procSetupDiGetDeviceInfoListDetailW = modsetupapi.NewProc("SetupDiGetDeviceInfoListDetailW") @@ -51,6 +52,18 @@ var ( procSetupDiCallClassInstaller = modsetupapi.NewProc("SetupDiCallClassInstaller") ) +func setupDiClassNameFromGuid(ClassGUID *windows.GUID, ClassName *uint16, ClassNameSize uint32, RequiredSize *uint32) (err error) { + r1, _, e1 := syscall.Syscall6(procSetupDiClassNameFromGuidW.Addr(), 4, uintptr(unsafe.Pointer(ClassGUID)), uintptr(unsafe.Pointer(ClassName)), uintptr(ClassNameSize), uintptr(unsafe.Pointer(RequiredSize)), 0, 0) + if r1 == 0 { + if e1 != 0 { + err = errnoErr(e1) + } else { + err = syscall.EINVAL + } + } + return +} + func setupDiGetClassDevsEx(ClassGUID *windows.GUID, Enumerator *uint16, hwndParent uintptr, Flags DIGCF, DeviceInfoSet DevInfo, MachineName *uint16, reserved uintptr) (handle DevInfo, err error) { r0, _, e1 := syscall.Syscall9(procSetupDiGetClassDevsExW.Addr(), 7, uintptr(unsafe.Pointer(ClassGUID)), uintptr(unsafe.Pointer(Enumerator)), uintptr(hwndParent), uintptr(Flags), uintptr(DeviceInfoSet), uintptr(unsafe.Pointer(MachineName)), uintptr(reserved), 0, 0) handle = DevInfo(r0) |