wireguard-go/tun/wintun/resource/zsyscall_windows.go

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// Code generated by 'go generate'; DO NOT EDIT.
package resource
import (
"syscall"
"unsafe"
"golang.org/x/sys/windows"
)
var _ unsafe.Pointer
// Do the interface allocations only once for common
// Errno values.
const (
errnoERROR_IO_PENDING = 997
)
var (
errERROR_IO_PENDING error = syscall.Errno(errnoERROR_IO_PENDING)
)
// errnoErr returns common boxed Errno values, to prevent
// allocations at runtime.
func errnoErr(e syscall.Errno) error {
switch e {
case 0:
return nil
case errnoERROR_IO_PENDING:
return errERROR_IO_PENDING
}
// TODO: add more here, after collecting data on the common
// error values see on Windows. (perhaps when running
// all.bat?)
return e
}
var (
modkernel32 = windows.NewLazySystemDLL("kernel32.dll")
modversion = windows.NewLazySystemDLL("version.dll")
procFindResourceW = modkernel32.NewProc("FindResourceW")
procSizeofResource = modkernel32.NewProc("SizeofResource")
procLoadResource = modkernel32.NewProc("LoadResource")
procLockResource = modkernel32.NewProc("LockResource")
procVerQueryValueW = modversion.NewProc("VerQueryValueW")
)
func findResource(module windows.Handle, name *uint16, resType *uint16) (resInfo windows.Handle, err error) {
r0, _, e1 := syscall.Syscall(procFindResourceW.Addr(), 3, uintptr(module), uintptr(unsafe.Pointer(name)), uintptr(unsafe.Pointer(resType)))
resInfo = windows.Handle(r0)
if resInfo == 0 {
if e1 != 0 {
err = errnoErr(e1)
} else {
err = syscall.EINVAL
}
}
return
}
func sizeofResource(module windows.Handle, resInfo windows.Handle) (size uint32, err error) {
r0, _, e1 := syscall.Syscall(procSizeofResource.Addr(), 2, uintptr(module), uintptr(resInfo), 0)
size = uint32(r0)
if size == 0 {
if e1 != 0 {
err = errnoErr(e1)
} else {
err = syscall.EINVAL
}
}
return
}
func loadResource(module windows.Handle, resInfo windows.Handle) (resData windows.Handle, err error) {
r0, _, e1 := syscall.Syscall(procLoadResource.Addr(), 2, uintptr(module), uintptr(resInfo), 0)
resData = windows.Handle(r0)
if resData == 0 {
if e1 != 0 {
err = errnoErr(e1)
} else {
err = syscall.EINVAL
}
}
return
}
func lockResource(resData windows.Handle) (addr uintptr, err error) {
r0, _, e1 := syscall.Syscall(procLockResource.Addr(), 1, uintptr(resData), 0, 0)
addr = uintptr(r0)
if addr == 0 {
if e1 != 0 {
err = errnoErr(e1)
} else {
err = syscall.EINVAL
}
}
return
}
func verQueryValue(block *byte, section *uint16, value **byte, size *uint32) (err error) {
r1, _, e1 := syscall.Syscall6(procVerQueryValueW.Addr(), 4, uintptr(unsafe.Pointer(block)), uintptr(unsafe.Pointer(section)), uintptr(unsafe.Pointer(value)), uintptr(unsafe.Pointer(size)), 0, 0)
if r1 == 0 {
if e1 != 0 {
err = errnoErr(e1)
} else {
err = syscall.EINVAL
}
}
return
}