diff options
Diffstat (limited to 'libgo/go/os/file_posix.go')
| -rw-r--r-- | libgo/go/os/file_posix.go | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/libgo/go/os/file_posix.go b/libgo/go/os/file_posix.go index 8231ef4..86ac1ca 100644 --- a/libgo/go/os/file_posix.go +++ b/libgo/go/os/file_posix.go @@ -81,18 +81,34 @@ func Rename(oldname, newname string) error { return nil } +// syscallMode returns the syscall-specific mode bits from Go's portable mode bits. +func syscallMode(i FileMode) (o uint32) { + o |= uint32(i.Perm()) + if i&ModeSetuid != 0 { + o |= syscall.S_ISUID + } + if i&ModeSetgid != 0 { + o |= syscall.S_ISGID + } + if i&ModeSticky != 0 { + o |= syscall.S_ISVTX + } + // No mapping for Go's ModeTemporary (plan9 only). + return +} + // Chmod changes the mode of the named file to mode. // If the file is a symbolic link, it changes the mode of the link's target. -func Chmod(name string, mode uint32) error { - if e := syscall.Chmod(name, mode); e != nil { +func Chmod(name string, mode FileMode) error { + if e := syscall.Chmod(name, syscallMode(mode)); e != nil { return &PathError{"chmod", name, e} } return nil } // Chmod changes the mode of the file to mode. -func (f *File) Chmod(mode uint32) error { - if e := syscall.Fchmod(f.fd, mode); e != nil { +func (f *File) Chmod(mode FileMode) error { + if e := syscall.Fchmod(f.fd, syscallMode(mode)); e != nil { return &PathError{"chmod", f.name, e} } return nil |