tailscale/net/tshttpproxy/zsyscall_windows.go

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// Code generated by 'go generate'; DO NOT EDIT.
package tshttpproxy
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)
errERROR_EINVAL error = syscall.EINVAL
)
// errnoErr returns common boxed Errno values, to prevent
// allocations at runtime.
func errnoErr(e syscall.Errno) error {
switch e {
case 0:
return errERROR_EINVAL
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")
modwinhttp = windows.NewLazySystemDLL("winhttp.dll")
procGlobalFree = modkernel32.NewProc("GlobalFree")
procWinHttpCloseHandle = modwinhttp.NewProc("WinHttpCloseHandle")
procWinHttpGetProxyForUrl = modwinhttp.NewProc("WinHttpGetProxyForUrl")
procWinHttpOpen = modwinhttp.NewProc("WinHttpOpen")
)
func globalFree(hglobal winHGlobal) (err error) {
r1, _, e1 := syscall.Syscall(procGlobalFree.Addr(), 1, uintptr(hglobal), 0, 0)
if r1 == 0 {
err = errnoErr(e1)
}
return
}
func winHTTPCloseHandle(whi winHTTPInternet) (err error) {
r1, _, e1 := syscall.Syscall(procWinHttpCloseHandle.Addr(), 1, uintptr(whi), 0, 0)
if r1 == 0 {
err = errnoErr(e1)
}
return
}
func winHTTPGetProxyForURL(whi winHTTPInternet, url *uint16, options *winHTTPAutoProxyOptions, proxyInfo *winHTTPProxyInfo) (err error) {
r1, _, e1 := syscall.Syscall6(procWinHttpGetProxyForUrl.Addr(), 4, uintptr(whi), uintptr(unsafe.Pointer(url)), uintptr(unsafe.Pointer(options)), uintptr(unsafe.Pointer(proxyInfo)), 0, 0)
if r1 == 0 {
err = errnoErr(e1)
}
return
}
func winHTTPOpen(agent *uint16, accessType uint32, proxy *uint16, proxyBypass *uint16, flags uint32) (whi winHTTPInternet, err error) {
r0, _, e1 := syscall.Syscall6(procWinHttpOpen.Addr(), 5, uintptr(unsafe.Pointer(agent)), uintptr(accessType), uintptr(unsafe.Pointer(proxy)), uintptr(unsafe.Pointer(proxyBypass)), uintptr(flags), 0)
whi = winHTTPInternet(r0)
if whi == 0 {
err = errnoErr(e1)
}
return
}