On January 12, 2002 09:04 am, H. Peter Anvin wrote:
[...]
> PAD(n) means padding with null bytes to an n-byte boundary
> [QUESTION: is the padding relative to the start of the
> previous header, or is it an absolute address? Is it at all
> legal to have a header start on a non-multiple of 4?]
I'll vote for the always/absolute rule.
[...]
> The structure of the cpio_header is as follows (all 8-byte entries
> contain 32-bit hexadecimal ASCII numbers):
I thought there's a binary version of the cpio header. What is the
point of the ascii encoding?
[...]
> The c_mode field matches the contents of st_mode returned by stat(2)
> on Linux, and encodes the file type and file permissions.
>
> The c_filesize should be zero for any non-regular file.
>
> If the filename is "TRAILER!!!" this is actually an end-of-file
> marker; the c_filesize for an end-of-file marker must be zero.
It sure looks ugly, but I suppose the c_filesize=zero is the real
end-of-file marker. Did I mention it sure looks ugly?
-- Daniel - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/