76 lines
1.5 KiB
Go
76 lines
1.5 KiB
Go
package cpio
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import (
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"os"
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"path"
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"time"
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)
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// headerFileInfo implements os.FileInfo.
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type headerFileInfo struct {
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h *Header
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}
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// Name returns the base name of the file.
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func (fi headerFileInfo) Name() string {
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if fi.IsDir() {
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return path.Base(path.Clean(fi.h.Name))
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}
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return path.Base(fi.h.Name)
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}
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func (fi headerFileInfo) Size() int64 { return fi.h.Size }
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func (fi headerFileInfo) IsDir() bool { return fi.Mode().IsDir() }
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func (fi headerFileInfo) ModTime() time.Time { return fi.h.ModTime }
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func (fi headerFileInfo) Sys() interface{} { return fi.h }
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func (fi headerFileInfo) Mode() (mode os.FileMode) {
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// Set file permission bits.
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mode = os.FileMode(fi.h.Mode).Perm()
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// Set setuid, setgid and sticky bits.
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if fi.h.Mode&ModeSetuid != 0 {
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// setuid
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mode |= os.ModeSetuid
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}
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if fi.h.Mode&ModeSetgid != 0 {
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// setgid
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mode |= os.ModeSetgid
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}
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if fi.h.Mode&ModeSticky != 0 {
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// sticky
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mode |= os.ModeSticky
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}
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// Set file mode bits.
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// clear perm, setuid, setgid and sticky bits.
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m := os.FileMode(fi.h.Mode) & 0170000
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if m == ModeDir {
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// directory
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mode |= os.ModeDir
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}
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if m == ModeNamedPipe {
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// named pipe (FIFO)
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mode |= os.ModeNamedPipe
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}
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if m == ModeSymlink {
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// symbolic link
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mode |= os.ModeSymlink
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}
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if m == ModeDevice {
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// device file
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mode |= os.ModeDevice
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}
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if m == ModeCharDevice {
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// Unix character device
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mode |= os.ModeDevice
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mode |= os.ModeCharDevice
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}
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if m == ModeSocket {
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// Unix domain socket
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mode |= os.ModeSocket
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}
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return mode
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}
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