Date: Mon, 13 Sep 2004 20:31:10 -0700 (PDT) From: Doug White <dwhite@gumbysoft.com> To: Jun Kuriyama <kuriyama@imgsrc.co.jp> Cc: arch@FreeBSD.org Subject: Re: stderr is seekable? (lseek(2)) Message-ID: <20040913203044.X34536@carver.gumbysoft.com> In-Reply-To: <7macvto7wn.wl@black.imgsrc.co.jp> References: <7macvto7wn.wl@black.imgsrc.co.jp>
next in thread | previous in thread | raw e-mail | index | archive | help
On Tue, 14 Sep 2004, Jun Kuriyama wrote:
>
> When I tested this program, it finished successfully. But on Linux,
> lseek(2) returns -1 and errno is ESPIPE.
>
> I expected to be returned ESPIPE as Linux did. Is our behavior
> correct, or there is something wrong?
You might poke -standards about this, someone there probably has a copy
of POSIX and can see waht the required behavior is.
I'm inclined to call this a "bonus feature" on our part :)
>
> -----
> #include <sys/types.h>
> #include <unistd.h>
> #include <stdio.h>
> #include <errno.h>
>
> int
> main(int argc, char **argv)
> {
> off_t r = lseek(2, 1, SEEK_CUR);
> printf("r=%d\n", r);
> if (r == -1) {
> printf("errno=%d, %s\n", errno, strerror(errno));
> }
> return 0;
> }
> -----
>
>
>
--
Doug White | FreeBSD: The Power to Serve
dwhite@gumbysoft.com | www.FreeBSD.org
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20040913203044.X34536>