[Bug-cpio] Linux device number bug report

[Wang Chen]

Hello,

I have some questions about device number extension.

In Linux kernel 2.6, device number will be extended from 16-bit to 32-bit. All utilities and libraries should make corresponding extension for this new feature in kernel 2.6.

I find that “cpio-2.5-6” uses structure dev_t and operates the device number as 16-bit.

In file copyout.c: 118

     sprintf (ascii_header,
        "%06ho%06lo%06lo%06lo%06lo%06lo%06lo%06lo%011lo%06lo%011lo",
        file_hdr->c_magic & 0xFFFF, (long) dev & 0xFFFF,
        file_hdr->c_ino & 0xFFFF, file_hdr->c_mode & 0xFFFF,
        file_hdr->c_uid & 0xFFFF, file_hdr->c_gid & 0xFFFF,
        file_hdr->c_nlink & 0xFFFF, (long) rdev & 0xFFFF,
        file_hdr->c_mtime, file_hdr->c_namesize & 0xFFFF,
        file_hdr->c_filesize);

The device number dev and rdev should be 32-bit. But this operation only prints their lower 16-bit and it seems not to correspond to device number extension.

Since I didn’t find any information about this aspect in homepage of this package, I wonder whether the latest version has completed the device number extension? If not, will it be completed in the future? And when?

Looking forward to answering.

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Wang Chen
Dept. of Technology and Development
Nanjing Fujitsu Nanda Software Tech. Co., Ltd.(FNST)
No. 16-5, Guanzhou Rd., Nanjing, P.R.China
PHONE  : +86+25-86630523-636
FUJITSU INTERNAL: 79955-636
FAX  : +86+25-83317685
Mail  : address@hidden
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