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os: clarify docs for link functions
R=golang-dev, bsiegert, r CC=golang-dev https://golang.org/cl/5643068
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@ -37,7 +37,7 @@ func (e *LinkError) Error() string {
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return e.Op + " " + e.Old + " " + e.New + ": " + e.Err.Error()
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}
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// Link creates a hard link.
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// Link creates newname as a hard link to the oldname file.
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func Link(oldname, newname string) error {
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e := syscall.Link(oldname, newname)
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if e != nil {
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@ -46,7 +46,7 @@ func Link(oldname, newname string) error {
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return nil
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}
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// Symlink creates a symbolic link.
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// Symlink creates newname as a symbolic link to oldname.
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func Symlink(oldname, newname string) error {
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e := syscall.Symlink(oldname, newname)
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if e != nil {
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@ -55,8 +55,7 @@ func Symlink(oldname, newname string) error {
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return nil
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}
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// Readlink reads the contents of a symbolic link: the destination of
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// the link. It returns the contents and an error, if any.
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// Readlink returns the destination of the named symbolic link.
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// If there is an error, it will be of type *PathError.
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func Readlink(name string) (string, error) {
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for len := 128; ; len *= 2 {
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