40 lines
702 B
Go
40 lines
702 B
Go
//go:build linux
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// License: GPLv3 Copyright: 2023, Kovid Goyal, <kovid at kovidgoyal.net>
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package utils
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import (
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"fmt"
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"os"
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"strconv"
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"golang.org/x/sys/unix"
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)
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var _ = fmt.Print
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func CreateAnonymousTemp(dir string) (*os.File, error) {
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if dir == "" {
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dir = os.TempDir()
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}
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fd, err := unix.Open(dir, unix.O_RDWR|unix.O_TMPFILE|unix.O_CLOEXEC, 0600)
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if err == nil {
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path := "/proc/self/fd/" + strconv.FormatUint(uint64(fd), 10)
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return os.NewFile(uintptr(fd), path), nil
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}
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if err == unix.ENOENT {
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return nil, err
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}
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f, err := os.CreateTemp(dir, "")
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if err != nil {
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return nil, err
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}
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err = os.Remove(f.Name())
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if err != nil {
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f.Close()
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return nil, err
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}
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return f, err
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}
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