(w *Writer, thdr *tar.Header, r io.Reader)
| 52 | } |
| 53 | |
| 54 | func copyTarEntry(w *Writer, thdr *tar.Header, r io.Reader) (written int64, err error) { |
| 55 | tp := typeconv(thdr) |
| 56 | if tp == -1 { |
| 57 | return written, errors.New("cannot convert tar file") |
| 58 | } |
| 59 | size := thdr.Size |
| 60 | if tp == cpio.TYPE_SYMLINK { |
| 61 | size = int64(len(thdr.Linkname)) |
| 62 | } |
| 63 | chdr := cpio.Header{ |
| 64 | Mode: thdr.Mode, |
| 65 | Uid: thdr.Uid, |
| 66 | Gid: thdr.Gid, |
| 67 | Mtime: thdr.ModTime.Unix(), |
| 68 | Size: size, |
| 69 | Devmajor: thdr.Devmajor, |
| 70 | Devminor: thdr.Devminor, |
| 71 | Type: tp, |
| 72 | Name: thdr.Name, |
| 73 | } |
| 74 | err = w.WriteHeader(&chdr) |
| 75 | if err != nil { |
| 76 | return |
| 77 | } |
| 78 | var n int64 |
| 79 | switch tp { |
| 80 | case cpio.TYPE_SYMLINK: |
| 81 | var count int |
| 82 | count, err = w.Write([]byte(thdr.Linkname)) |
| 83 | n = int64(count) |
| 84 | case cpio.TYPE_REG: |
| 85 | n, err = io.Copy(w, r) |
| 86 | } |
| 87 | written += n |
| 88 | |
| 89 | return |
| 90 | } |
| 91 | |
| 92 | // CopySplitTar copies a tar stream into an initrd, but splits out kernel, cmdline, and ucode |
| 93 | func CopySplitTar(w *Writer, r *tar.Reader) (kernel []byte, cmdline string, ucode []byte, err error) { |
no test coverage detected