Date: Wed, 14 Oct 1998 11:28:10 -0600 (MDT) From: Darren Whittaker <djw@sage1.sagecorp.com> To: Mike Smith <mike@smith.net.au> Cc: freebsd-current@FreeBSD.ORG, john.young@openmarket.com Subject: Re: problem in 3.0 Message-ID: <Pine.SOL.3.93.981014112532.9696A-100000@sage1.sagecorp.com> In-Reply-To: <199810141620.JAA01488@dingo.cdrom.com>
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The code appeared to work until I set buf[0] = '\0'; at the start of the
loop, then only one message was displayed. Since err displays to std error
and I have to run this program from a browers I did not see any error
messages.
-Darren
------------------
Darren Whittaker
Senior Software Engineer
Small Enterprise Group
Open Market, Inc.
On Wed, 14 Oct 1998, Mike Smith wrote:
> > The fact of the matter is that date only returned output once, why did it
> > not return output 10 times?
>
> No idea. I can't make it fail in that fashion here, on a range of
> -current systems from mid-September through yesterday's snapshot.
>
> Does the following:
>
> #include <stdio.h>
> #include <err.h>
>
> void main(void)
> {
> int i, j;
> char buf[256];
> FILE *p;
>
> for (i = 0; i < 100; i++) {
> if ((p = popen("/bin/date", "r")) == NULL)
> err(1, "popen");
> fgets(buf, sizeof(buf) - 1, p);
> printf(buf);
> if ((pclose(p)) == -1)
> err(1, "pclose");
> }
> }
>
> do the "right" or the "wrong" thing?
>
> > -Darren
>
> --
> \\ Sometimes you're ahead, \\ Mike Smith
> \\ sometimes you're behind. \\ mike@smith.net.au
> \\ The race is long, and in the \\ msmith@freebsd.org
> \\ end it's only with yourself. \\ msmith@cdrom.com
>
>
>
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