golang.org/x/sys@v0.20.1-0.20240517151509-673e0f94c16d/windows/registry/zsyscall_windows.go (about)

     1  // Code generated by 'go generate'; DO NOT EDIT.
     2  
     3  package registry
     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  	modadvapi32 = windows.NewLazySystemDLL("advapi32.dll")
    42  	modkernel32 = windows.NewLazySystemDLL("kernel32.dll")
    43  
    44  	procRegConnectRegistryW       = modadvapi32.NewProc("RegConnectRegistryW")
    45  	procRegCreateKeyExW           = modadvapi32.NewProc("RegCreateKeyExW")
    46  	procRegDeleteKeyW             = modadvapi32.NewProc("RegDeleteKeyW")
    47  	procRegDeleteValueW           = modadvapi32.NewProc("RegDeleteValueW")
    48  	procRegEnumValueW             = modadvapi32.NewProc("RegEnumValueW")
    49  	procRegLoadMUIStringW         = modadvapi32.NewProc("RegLoadMUIStringW")
    50  	procRegSetValueExW            = modadvapi32.NewProc("RegSetValueExW")
    51  	procExpandEnvironmentStringsW = modkernel32.NewProc("ExpandEnvironmentStringsW")
    52  )
    53  
    54  func regConnectRegistry(machinename *uint16, key syscall.Handle, result *syscall.Handle) (regerrno error) {
    55  	r0, _, _ := syscall.Syscall(procRegConnectRegistryW.Addr(), 3, uintptr(unsafe.Pointer(machinename)), uintptr(key), uintptr(unsafe.Pointer(result)))
    56  	if r0 != 0 {
    57  		regerrno = syscall.Errno(r0)
    58  	}
    59  	return
    60  }
    61  
    62  func regCreateKeyEx(key syscall.Handle, subkey *uint16, reserved uint32, class *uint16, options uint32, desired uint32, sa *syscall.SecurityAttributes, result *syscall.Handle, disposition *uint32) (regerrno error) {
    63  	r0, _, _ := syscall.Syscall9(procRegCreateKeyExW.Addr(), 9, uintptr(key), uintptr(unsafe.Pointer(subkey)), uintptr(reserved), uintptr(unsafe.Pointer(class)), uintptr(options), uintptr(desired), uintptr(unsafe.Pointer(sa)), uintptr(unsafe.Pointer(result)), uintptr(unsafe.Pointer(disposition)))
    64  	if r0 != 0 {
    65  		regerrno = syscall.Errno(r0)
    66  	}
    67  	return
    68  }
    69  
    70  func regDeleteKey(key syscall.Handle, subkey *uint16) (regerrno error) {
    71  	r0, _, _ := syscall.Syscall(procRegDeleteKeyW.Addr(), 2, uintptr(key), uintptr(unsafe.Pointer(subkey)), 0)
    72  	if r0 != 0 {
    73  		regerrno = syscall.Errno(r0)
    74  	}
    75  	return
    76  }
    77  
    78  func regDeleteValue(key syscall.Handle, name *uint16) (regerrno error) {
    79  	r0, _, _ := syscall.Syscall(procRegDeleteValueW.Addr(), 2, uintptr(key), uintptr(unsafe.Pointer(name)), 0)
    80  	if r0 != 0 {
    81  		regerrno = syscall.Errno(r0)
    82  	}
    83  	return
    84  }
    85  
    86  func regEnumValue(key syscall.Handle, index uint32, name *uint16, nameLen *uint32, reserved *uint32, valtype *uint32, buf *byte, buflen *uint32) (regerrno error) {
    87  	r0, _, _ := syscall.Syscall9(procRegEnumValueW.Addr(), 8, uintptr(key), uintptr(index), uintptr(unsafe.Pointer(name)), uintptr(unsafe.Pointer(nameLen)), uintptr(unsafe.Pointer(reserved)), uintptr(unsafe.Pointer(valtype)), uintptr(unsafe.Pointer(buf)), uintptr(unsafe.Pointer(buflen)), 0)
    88  	if r0 != 0 {
    89  		regerrno = syscall.Errno(r0)
    90  	}
    91  	return
    92  }
    93  
    94  func regLoadMUIString(key syscall.Handle, name *uint16, buf *uint16, buflen uint32, buflenCopied *uint32, flags uint32, dir *uint16) (regerrno error) {
    95  	r0, _, _ := syscall.Syscall9(procRegLoadMUIStringW.Addr(), 7, uintptr(key), uintptr(unsafe.Pointer(name)), uintptr(unsafe.Pointer(buf)), uintptr(buflen), uintptr(unsafe.Pointer(buflenCopied)), uintptr(flags), uintptr(unsafe.Pointer(dir)), 0, 0)
    96  	if r0 != 0 {
    97  		regerrno = syscall.Errno(r0)
    98  	}
    99  	return
   100  }
   101  
   102  func regSetValueEx(key syscall.Handle, valueName *uint16, reserved uint32, vtype uint32, buf *byte, bufsize uint32) (regerrno error) {
   103  	r0, _, _ := syscall.Syscall6(procRegSetValueExW.Addr(), 6, uintptr(key), uintptr(unsafe.Pointer(valueName)), uintptr(reserved), uintptr(vtype), uintptr(unsafe.Pointer(buf)), uintptr(bufsize))
   104  	if r0 != 0 {
   105  		regerrno = syscall.Errno(r0)
   106  	}
   107  	return
   108  }
   109  
   110  func expandEnvironmentStrings(src *uint16, dst *uint16, size uint32) (n uint32, err error) {
   111  	r0, _, e1 := syscall.Syscall(procExpandEnvironmentStringsW.Addr(), 3, uintptr(unsafe.Pointer(src)), uintptr(unsafe.Pointer(dst)), uintptr(size))
   112  	n = uint32(r0)
   113  	if n == 0 {
   114  		err = errnoErr(e1)
   115  	}
   116  	return
   117  }