mirror of
https://git.zx2c4.com/wireguard-go
synced 2024-11-15 09:15:14 +01:00
65e03a9182
Signed-off-by: Simon Rozman <simon@rozman.si> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
113 lines
2.8 KiB
Go
113 lines
2.8 KiB
Go
// Code generated by 'go generate'; DO NOT EDIT.
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package resource
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import (
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"syscall"
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"unsafe"
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"golang.org/x/sys/windows"
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)
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var _ unsafe.Pointer
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// Do the interface allocations only once for common
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// Errno values.
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const (
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errnoERROR_IO_PENDING = 997
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)
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var (
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errERROR_IO_PENDING error = syscall.Errno(errnoERROR_IO_PENDING)
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)
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// errnoErr returns common boxed Errno values, to prevent
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// allocations at runtime.
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func errnoErr(e syscall.Errno) error {
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switch e {
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case 0:
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return nil
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case errnoERROR_IO_PENDING:
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return errERROR_IO_PENDING
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}
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// TODO: add more here, after collecting data on the common
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// error values see on Windows. (perhaps when running
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// all.bat?)
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return e
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}
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var (
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modkernel32 = windows.NewLazySystemDLL("kernel32.dll")
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modversion = windows.NewLazySystemDLL("version.dll")
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procFindResourceW = modkernel32.NewProc("FindResourceW")
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procSizeofResource = modkernel32.NewProc("SizeofResource")
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procLoadResource = modkernel32.NewProc("LoadResource")
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procLockResource = modkernel32.NewProc("LockResource")
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procVerQueryValueW = modversion.NewProc("VerQueryValueW")
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)
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func findResource(module windows.Handle, name *uint16, resType *uint16) (resInfo windows.Handle, err error) {
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r0, _, e1 := syscall.Syscall(procFindResourceW.Addr(), 3, uintptr(module), uintptr(unsafe.Pointer(name)), uintptr(unsafe.Pointer(resType)))
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resInfo = windows.Handle(r0)
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if resInfo == 0 {
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if e1 != 0 {
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err = errnoErr(e1)
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} else {
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err = syscall.EINVAL
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}
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}
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return
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}
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func sizeofResource(module windows.Handle, resInfo windows.Handle) (size uint32, err error) {
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r0, _, e1 := syscall.Syscall(procSizeofResource.Addr(), 2, uintptr(module), uintptr(resInfo), 0)
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size = uint32(r0)
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if size == 0 {
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if e1 != 0 {
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err = errnoErr(e1)
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} else {
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err = syscall.EINVAL
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}
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}
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return
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}
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func loadResource(module windows.Handle, resInfo windows.Handle) (resData windows.Handle, err error) {
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r0, _, e1 := syscall.Syscall(procLoadResource.Addr(), 2, uintptr(module), uintptr(resInfo), 0)
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resData = windows.Handle(r0)
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if resData == 0 {
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if e1 != 0 {
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err = errnoErr(e1)
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} else {
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err = syscall.EINVAL
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}
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}
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return
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}
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func lockResource(resData windows.Handle) (addr uintptr, err error) {
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r0, _, e1 := syscall.Syscall(procLockResource.Addr(), 1, uintptr(resData), 0, 0)
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addr = uintptr(r0)
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if addr == 0 {
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if e1 != 0 {
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err = errnoErr(e1)
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} else {
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err = syscall.EINVAL
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}
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}
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return
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}
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func verQueryValue(block *byte, section *uint16, value **byte, size *uint32) (err error) {
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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)
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if r1 == 0 {
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if e1 != 0 {
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err = errnoErr(e1)
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} else {
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err = syscall.EINVAL
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}
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}
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return
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}
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