golang.zx2c4.com/wireguard/windows@v0.5.4-0.20230123132234-dcc0eb72a04b/updater/winhttp/zsyscall_windows.go (about)

     1  // Code generated by 'go generate'; DO NOT EDIT.
     2  
     3  package winhttp
     4  
     5  import (
     6  	"syscall"
     7  	"unsafe"
     8  
     9  	"golang.org/x/sys/windows"
    10  )
    11  
    12  var _ unsafe.Pointer
    13  
    14  // Do the interface allocations only once for common
    15  // Errno values.
    16  const (
    17  	errnoERROR_IO_PENDING = 997
    18  )
    19  
    20  var (
    21  	errERROR_IO_PENDING error = syscall.Errno(errnoERROR_IO_PENDING)
    22  	errERROR_EINVAL     error = syscall.EINVAL
    23  )
    24  
    25  // errnoErr returns common boxed Errno values, to prevent
    26  // allocations at runtime.
    27  func errnoErr(e syscall.Errno) error {
    28  	switch e {
    29  	case 0:
    30  		return errERROR_EINVAL
    31  	case errnoERROR_IO_PENDING:
    32  		return errERROR_IO_PENDING
    33  	}
    34  	// TODO: add more here, after collecting data on the common
    35  	// error values see on Windows. (perhaps when running
    36  	// all.bat?)
    37  	return e
    38  }
    39  
    40  var (
    41  	modwinhttp = windows.NewLazySystemDLL("winhttp.dll")
    42  
    43  	procWinHttpCloseHandle        = modwinhttp.NewProc("WinHttpCloseHandle")
    44  	procWinHttpConnect            = modwinhttp.NewProc("WinHttpConnect")
    45  	procWinHttpCrackUrl           = modwinhttp.NewProc("WinHttpCrackUrl")
    46  	procWinHttpOpen               = modwinhttp.NewProc("WinHttpOpen")
    47  	procWinHttpOpenRequest        = modwinhttp.NewProc("WinHttpOpenRequest")
    48  	procWinHttpQueryDataAvailable = modwinhttp.NewProc("WinHttpQueryDataAvailable")
    49  	procWinHttpQueryHeaders       = modwinhttp.NewProc("WinHttpQueryHeaders")
    50  	procWinHttpReadData           = modwinhttp.NewProc("WinHttpReadData")
    51  	procWinHttpReceiveResponse    = modwinhttp.NewProc("WinHttpReceiveResponse")
    52  	procWinHttpSendRequest        = modwinhttp.NewProc("WinHttpSendRequest")
    53  	procWinHttpSetOption          = modwinhttp.NewProc("WinHttpSetOption")
    54  	procWinHttpSetStatusCallback  = modwinhttp.NewProc("WinHttpSetStatusCallback")
    55  )
    56  
    57  func winHttpCloseHandle(handle _HINTERNET) (err error) {
    58  	r1, _, e1 := syscall.Syscall(procWinHttpCloseHandle.Addr(), 1, uintptr(handle), 0, 0)
    59  	if r1 == 0 {
    60  		err = errnoErr(e1)
    61  	}
    62  	return
    63  }
    64  
    65  func winHttpConnect(sessionHandle _HINTERNET, serverName *uint16, serverPort uint16, reserved uint32) (handle _HINTERNET, err error) {
    66  	r0, _, e1 := syscall.Syscall6(procWinHttpConnect.Addr(), 4, uintptr(sessionHandle), uintptr(unsafe.Pointer(serverName)), uintptr(serverPort), uintptr(reserved), 0, 0)
    67  	handle = _HINTERNET(r0)
    68  	if handle == 0 {
    69  		err = errnoErr(e1)
    70  	}
    71  	return
    72  }
    73  
    74  func winHttpCrackUrl(url *uint16, urlSize uint32, flags uint32, components *_URL_COMPONENTS) (err error) {
    75  	r1, _, e1 := syscall.Syscall6(procWinHttpCrackUrl.Addr(), 4, uintptr(unsafe.Pointer(url)), uintptr(urlSize), uintptr(flags), uintptr(unsafe.Pointer(components)), 0, 0)
    76  	if r1 == 0 {
    77  		err = errnoErr(e1)
    78  	}
    79  	return
    80  }
    81  
    82  func winHttpOpen(userAgent *uint16, accessType uint32, proxy *uint16, proxyBypass *uint16, flags uint32) (sessionHandle _HINTERNET, err error) {
    83  	r0, _, e1 := syscall.Syscall6(procWinHttpOpen.Addr(), 5, uintptr(unsafe.Pointer(userAgent)), uintptr(accessType), uintptr(unsafe.Pointer(proxy)), uintptr(unsafe.Pointer(proxyBypass)), uintptr(flags), 0)
    84  	sessionHandle = _HINTERNET(r0)
    85  	if sessionHandle == 0 {
    86  		err = errnoErr(e1)
    87  	}
    88  	return
    89  }
    90  
    91  func winHttpOpenRequest(connectHandle _HINTERNET, verb *uint16, objectName *uint16, version *uint16, referrer *uint16, acceptTypes **uint16, flags uint32) (requestHandle _HINTERNET, err error) {
    92  	r0, _, e1 := syscall.Syscall9(procWinHttpOpenRequest.Addr(), 7, uintptr(connectHandle), uintptr(unsafe.Pointer(verb)), uintptr(unsafe.Pointer(objectName)), uintptr(unsafe.Pointer(version)), uintptr(unsafe.Pointer(referrer)), uintptr(unsafe.Pointer(acceptTypes)), uintptr(flags), 0, 0)
    93  	requestHandle = _HINTERNET(r0)
    94  	if requestHandle == 0 {
    95  		err = errnoErr(e1)
    96  	}
    97  	return
    98  }
    99  
   100  func winHttpQueryDataAvailable(requestHandle _HINTERNET, bytesAvailable *uint32) (err error) {
   101  	r1, _, e1 := syscall.Syscall(procWinHttpQueryDataAvailable.Addr(), 2, uintptr(requestHandle), uintptr(unsafe.Pointer(bytesAvailable)), 0)
   102  	if r1 == 0 {
   103  		err = errnoErr(e1)
   104  	}
   105  	return
   106  }
   107  
   108  func winHttpQueryHeaders(requestHandle _HINTERNET, infoLevel uint32, name *uint16, buffer unsafe.Pointer, bufferLen *uint32, index *uint32) (err error) {
   109  	r1, _, e1 := syscall.Syscall6(procWinHttpQueryHeaders.Addr(), 6, uintptr(requestHandle), uintptr(infoLevel), uintptr(unsafe.Pointer(name)), uintptr(buffer), uintptr(unsafe.Pointer(bufferLen)), uintptr(unsafe.Pointer(index)))
   110  	if r1 == 0 {
   111  		err = errnoErr(e1)
   112  	}
   113  	return
   114  }
   115  
   116  func winHttpReadData(requestHandle _HINTERNET, buffer *byte, bufferSize uint32, bytesRead *uint32) (err error) {
   117  	r1, _, e1 := syscall.Syscall6(procWinHttpReadData.Addr(), 4, uintptr(requestHandle), uintptr(unsafe.Pointer(buffer)), uintptr(bufferSize), uintptr(unsafe.Pointer(bytesRead)), 0, 0)
   118  	if r1 == 0 {
   119  		err = errnoErr(e1)
   120  	}
   121  	return
   122  }
   123  
   124  func winHttpReceiveResponse(requestHandle _HINTERNET, reserved uintptr) (err error) {
   125  	r1, _, e1 := syscall.Syscall(procWinHttpReceiveResponse.Addr(), 2, uintptr(requestHandle), uintptr(reserved), 0)
   126  	if r1 == 0 {
   127  		err = errnoErr(e1)
   128  	}
   129  	return
   130  }
   131  
   132  func winHttpSendRequest(requestHandle _HINTERNET, headers *uint16, headersLength uint32, optional *byte, optionalLength uint32, totalLength uint32, context uintptr) (err error) {
   133  	r1, _, e1 := syscall.Syscall9(procWinHttpSendRequest.Addr(), 7, uintptr(requestHandle), uintptr(unsafe.Pointer(headers)), uintptr(headersLength), uintptr(unsafe.Pointer(optional)), uintptr(optionalLength), uintptr(totalLength), uintptr(context), 0, 0)
   134  	if r1 == 0 {
   135  		err = errnoErr(e1)
   136  	}
   137  	return
   138  }
   139  
   140  func winHttpSetOption(sessionOrRequestHandle _HINTERNET, option uint32, buffer unsafe.Pointer, bufferLen uint32) (err error) {
   141  	r1, _, e1 := syscall.Syscall6(procWinHttpSetOption.Addr(), 4, uintptr(sessionOrRequestHandle), uintptr(option), uintptr(buffer), uintptr(bufferLen), 0, 0)
   142  	if r1 == 0 {
   143  		err = errnoErr(e1)
   144  	}
   145  	return
   146  }
   147  
   148  func winHttpSetStatusCallback(handle _HINTERNET, callback uintptr, notificationFlags uint32, reserved uintptr) (previousCallback uintptr, err error) {
   149  	r0, _, e1 := syscall.Syscall6(procWinHttpSetStatusCallback.Addr(), 4, uintptr(handle), uintptr(callback), uintptr(notificationFlags), uintptr(reserved), 0, 0)
   150  	previousCallback = uintptr(r0)
   151  	if previousCallback == _WINHTTP_INVALID_STATUS_CALLBACK {
   152  		err = errnoErr(e1)
   153  	}
   154  	return
   155  }