diff options
Diffstat (limited to 'vendor/github.com/hpcloud/tail/winfile/winfile.go')
-rw-r--r-- | vendor/github.com/hpcloud/tail/winfile/winfile.go | 92 |
1 files changed, 0 insertions, 92 deletions
diff --git a/vendor/github.com/hpcloud/tail/winfile/winfile.go b/vendor/github.com/hpcloud/tail/winfile/winfile.go deleted file mode 100644 index aa7e7bc5d..000000000 --- a/vendor/github.com/hpcloud/tail/winfile/winfile.go +++ /dev/null @@ -1,92 +0,0 @@ -// +build windows - -package winfile - -import ( - "os" - "syscall" - "unsafe" -) - -// issue also described here -//https://codereview.appspot.com/8203043/ - -// https://github.com/jnwhiteh/golang/blob/master/src/pkg/syscall/syscall_windows.go#L218 -func Open(path string, mode int, perm uint32) (fd syscall.Handle, err error) { - if len(path) == 0 { - return syscall.InvalidHandle, syscall.ERROR_FILE_NOT_FOUND - } - pathp, err := syscall.UTF16PtrFromString(path) - if err != nil { - return syscall.InvalidHandle, err - } - var access uint32 - switch mode & (syscall.O_RDONLY | syscall.O_WRONLY | syscall.O_RDWR) { - case syscall.O_RDONLY: - access = syscall.GENERIC_READ - case syscall.O_WRONLY: - access = syscall.GENERIC_WRITE - case syscall.O_RDWR: - access = syscall.GENERIC_READ | syscall.GENERIC_WRITE - } - if mode&syscall.O_CREAT != 0 { - access |= syscall.GENERIC_WRITE - } - if mode&syscall.O_APPEND != 0 { - access &^= syscall.GENERIC_WRITE - access |= syscall.FILE_APPEND_DATA - } - sharemode := uint32(syscall.FILE_SHARE_READ | syscall.FILE_SHARE_WRITE | syscall.FILE_SHARE_DELETE) - var sa *syscall.SecurityAttributes - if mode&syscall.O_CLOEXEC == 0 { - sa = makeInheritSa() - } - var createmode uint32 - switch { - case mode&(syscall.O_CREAT|syscall.O_EXCL) == (syscall.O_CREAT | syscall.O_EXCL): - createmode = syscall.CREATE_NEW - case mode&(syscall.O_CREAT|syscall.O_TRUNC) == (syscall.O_CREAT | syscall.O_TRUNC): - createmode = syscall.CREATE_ALWAYS - case mode&syscall.O_CREAT == syscall.O_CREAT: - createmode = syscall.OPEN_ALWAYS - case mode&syscall.O_TRUNC == syscall.O_TRUNC: - createmode = syscall.TRUNCATE_EXISTING - default: - createmode = syscall.OPEN_EXISTING - } - h, e := syscall.CreateFile(pathp, access, sharemode, sa, createmode, syscall.FILE_ATTRIBUTE_NORMAL, 0) - return h, e -} - -// https://github.com/jnwhiteh/golang/blob/master/src/pkg/syscall/syscall_windows.go#L211 -func makeInheritSa() *syscall.SecurityAttributes { - var sa syscall.SecurityAttributes - sa.Length = uint32(unsafe.Sizeof(sa)) - sa.InheritHandle = 1 - return &sa -} - -// https://github.com/jnwhiteh/golang/blob/master/src/pkg/os/file_windows.go#L133 -func OpenFile(name string, flag int, perm os.FileMode) (file *os.File, err error) { - r, e := Open(name, flag|syscall.O_CLOEXEC, syscallMode(perm)) - if e != nil { - return nil, e - } - return os.NewFile(uintptr(r), name), nil -} - -// https://github.com/jnwhiteh/golang/blob/master/src/pkg/os/file_posix.go#L61 -func syscallMode(i os.FileMode) (o uint32) { - o |= uint32(i.Perm()) - if i&os.ModeSetuid != 0 { - o |= syscall.S_ISUID - } - if i&os.ModeSetgid != 0 { - o |= syscall.S_ISGID - } - if i&os.ModeSticky != 0 { - o |= syscall.S_ISVTX - } - // No mapping for Go's ModeTemporary (plan9 only). - return -} |