Re: dd should be more aggressive about seeking

Jim Meyering <[email protected]>
Newsgroups gmane.comp.gnu.core-utils.bugs,gmane.comp.gnu.fileutils.bugs
Message-ID <[email protected]>
Thanks for the report and suggestion.
The latest version of dd has a much better test, now.

  ftp://alpha.gnu.org/gnu/fetish/coreutils-4.5.3.tar.gz

If you find a problem with the new version, please let us know.

Castor Fu <[email protected]> wrote:
> The following code in version 4.1 of fileutils dd seems overly aggressive.
> It damns all character devices on all operating systems seems harsh.
>
> There should probably be a flag to ignore the buggy_lseek_support function,
> or the testing should be done in a significantly more OS dependent way.
>
> As an example, on NetBSD's in-house dd, they test explicitly for being a pipe
> by doing an lseek, and they also do an MTIOCGET to see if they are a tapedrive.
...
lmpx.com only provides a reader for public news (NNTP) servers. It is not affiliated with the servers or forums shown here and is not responsible for the content of articles, which is written by their respective authors.