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More work on the dnd kitten

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Kovid Goyal
2026-04-27 08:22:17 +05:30
parent 5fd06628be
commit 8c2c32a5a5
3 changed files with 120 additions and 9 deletions
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12
tools/utils/file_at_fd.go
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@@ -315,6 +315,18 @@ func ReadLinkAt(parent *os.File, name string) (ans string, err error) {
return UnsafeBytesToString(buf[:n]), nil
}
func RenameAt(old_parent *os.File, old_name string, new_parent *os.File, new_name string) (err error) {
for {
if err = unix.Renameat(int(old_parent.Fd()), old_name, int(new_parent.Fd()), new_name); err != unix.EINTR {
break
}
}
if err != nil {
err = &os.LinkError{Op: "renameat", Old: filepath.Join(old_parent.Name(), old_name), New: filepath.Join(new_parent.Name(), new_name), Err: err}
}
return
}
func ConvertFileModeToUnix(goMode os.FileMode) uint32 {
// 1. Start with the basic permission bits (0777)
unixMode := uint32(goMode.Perm())