diff options
author | Jason A. Donenfeld <Jason@zx2c4.com> | 2019-02-25 18:45:32 +0100 |
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committer | Jason A. Donenfeld <Jason@zx2c4.com> | 2019-02-28 08:05:02 +0100 |
commit | 019ce9f2815cd21756be4f11702fcb02b5453fdc (patch) | |
tree | 43070181e30db403dfad69f3e67a566ba589df4e /conf/zsyscall_windows.go | |
parent | Initial scaffolding (diff) | |
download | wireguard-windows-019ce9f2815cd21756be4f11702fcb02b5453fdc.tar.xz wireguard-windows-019ce9f2815cd21756be4f11702fcb02b5453fdc.zip |
conf: introduce configuration management
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Diffstat (limited to 'conf/zsyscall_windows.go')
-rw-r--r-- | conf/zsyscall_windows.go | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/conf/zsyscall_windows.go b/conf/zsyscall_windows.go new file mode 100644 index 00000000..64bec1f4 --- /dev/null +++ b/conf/zsyscall_windows.go @@ -0,0 +1,96 @@ +// Code generated by 'go generate'; DO NOT EDIT. + +package conf + +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 ( + modole32 = windows.NewLazySystemDLL("ole32.dll") + modshell32 = windows.NewLazySystemDLL("shell32.dll") + modkernel32 = windows.NewLazySystemDLL("kernel32.dll") + + procCoTaskMemFree = modole32.NewProc("CoTaskMemFree") + procSHGetKnownFolderPath = modshell32.NewProc("SHGetKnownFolderPath") + procFindFirstChangeNotificationW = modkernel32.NewProc("FindFirstChangeNotificationW") + procFindNextChangeNotification = modkernel32.NewProc("FindNextChangeNotification") +) + +func coTaskMemFree(pointer uintptr) { + syscall.Syscall(procCoTaskMemFree.Addr(), 1, uintptr(pointer), 0, 0) + return +} + +func shGetKnownFolderPath(id *windows.GUID, flags uint32, token windows.Handle, path **uint16) (err error) { + r1, _, e1 := syscall.Syscall6(procSHGetKnownFolderPath.Addr(), 4, uintptr(unsafe.Pointer(id)), uintptr(flags), uintptr(token), uintptr(unsafe.Pointer(path)), 0, 0) + if r1 != 0 { + if e1 != 0 { + err = errnoErr(e1) + } else { + err = syscall.EINVAL + } + } + return +} + +func findFirstChangeNotification(path *uint16, watchSubtree bool, filter uint32) (handle windows.Handle, err error) { + var _p0 uint32 + if watchSubtree { + _p0 = 1 + } else { + _p0 = 0 + } + r0, _, e1 := syscall.Syscall(procFindFirstChangeNotificationW.Addr(), 3, uintptr(unsafe.Pointer(path)), uintptr(_p0), uintptr(filter)) + handle = windows.Handle(r0) + if handle == 0 { + if e1 != 0 { + err = errnoErr(e1) + } else { + err = syscall.EINVAL + } + } + return +} + +func findNextChangeNotification(handle windows.Handle) (err error) { + r1, _, e1 := syscall.Syscall(procFindNextChangeNotification.Addr(), 1, uintptr(handle), 0, 0) + if r1 == 0 { + if e1 != 0 { + err = errnoErr(e1) + } else { + err = syscall.EINVAL + } + } + return +} |