diff options
Diffstat (limited to 'gcc-4.8.1/libgo/go/os/file_posix.go')
| -rw-r--r-- | gcc-4.8.1/libgo/go/os/file_posix.go | 163 |
1 files changed, 0 insertions, 163 deletions
diff --git a/gcc-4.8.1/libgo/go/os/file_posix.go b/gcc-4.8.1/libgo/go/os/file_posix.go deleted file mode 100644 index b979fed97..000000000 --- a/gcc-4.8.1/libgo/go/os/file_posix.go +++ /dev/null @@ -1,163 +0,0 @@ -// Copyright 2009 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -// +build darwin freebsd linux netbsd openbsd windows - -package os - -import ( - "syscall" - "time" -) - -func sigpipe() // implemented in package runtime - -// Link creates newname as a hard link to the oldname file. -// If there is an error, it will be of type *LinkError. -func Link(oldname, newname string) error { - e := syscall.Link(oldname, newname) - if e != nil { - return &LinkError{"link", oldname, newname, e} - } - return nil -} - -// Symlink creates newname as a symbolic link to oldname. -// If there is an error, it will be of type *LinkError. -func Symlink(oldname, newname string) error { - e := syscall.Symlink(oldname, newname) - if e != nil { - return &LinkError{"symlink", oldname, newname, e} - } - return nil -} - -// Readlink returns the destination of the named symbolic link. -// If there is an error, it will be of type *PathError. -func Readlink(name string) (string, error) { - for len := 128; ; len *= 2 { - b := make([]byte, len) - n, e := syscall.Readlink(name, b) - if e != nil { - return "", &PathError{"readlink", name, e} - } - if n < len { - return string(b[0:n]), nil - } - } - // Silence 6g. - return "", nil -} - -// Rename renames a file. -func Rename(oldname, newname string) error { - e := syscall.Rename(oldname, newname) - if e != nil { - return &LinkError{"rename", oldname, newname, e} - } - 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. -// If there is an error, it will be of type *PathError. -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. -// If there is an error, it will be of type *PathError. -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 -} - -// Chown changes the numeric uid and gid of the named file. -// If the file is a symbolic link, it changes the uid and gid of the link's target. -// If there is an error, it will be of type *PathError. -func Chown(name string, uid, gid int) error { - if e := syscall.Chown(name, uid, gid); e != nil { - return &PathError{"chown", name, e} - } - return nil -} - -// Lchown changes the numeric uid and gid of the named file. -// If the file is a symbolic link, it changes the uid and gid of the link itself. -// If there is an error, it will be of type *PathError. -func Lchown(name string, uid, gid int) error { - if e := syscall.Lchown(name, uid, gid); e != nil { - return &PathError{"lchown", name, e} - } - return nil -} - -// Chown changes the numeric uid and gid of the named file. -// If there is an error, it will be of type *PathError. -func (f *File) Chown(uid, gid int) error { - if e := syscall.Fchown(f.fd, uid, gid); e != nil { - return &PathError{"chown", f.name, e} - } - return nil -} - -// Truncate changes the size of the file. -// It does not change the I/O offset. -// If there is an error, it will be of type *PathError. -func (f *File) Truncate(size int64) error { - if e := syscall.Ftruncate(f.fd, size); e != nil { - return &PathError{"truncate", f.name, e} - } - return nil -} - -// Sync commits the current contents of the file to stable storage. -// Typically, this means flushing the file system's in-memory copy -// of recently written data to disk. -func (f *File) Sync() (err error) { - if f == nil { - return syscall.EINVAL - } - if e := syscall.Fsync(f.fd); e != nil { - return NewSyscallError("fsync", e) - } - return nil -} - -// Chtimes changes the access and modification times of the named -// file, similar to the Unix utime() or utimes() functions. -// -// The underlying filesystem may truncate or round the values to a -// less precise time unit. -// If there is an error, it will be of type *PathError. -func Chtimes(name string, atime time.Time, mtime time.Time) error { - var utimes [2]syscall.Timespec - utimes[0] = syscall.NsecToTimespec(atime.UnixNano()) - utimes[1] = syscall.NsecToTimespec(mtime.UnixNano()) - if e := syscall.UtimesNano(name, utimes[0:]); e != nil { - return &PathError{"chtimes", name, e} - } - return nil -} |