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From: Sape Mullender <sape@plan9.bell-labs.com>
To: 9fans@9fans.net
Cc: 9fans@9fans.net
Subject: Re: [9fans] writing to ctl using fprint and write
Date: Thu, 29 Jul 2010 14:12:06 +0200	[thread overview]
Message-ID: <5acaebb4de367f34d9d5c152e0e80c16@plan9.bell-labs.com> (raw)
In-Reply-To: <0522651bfa90c83ddb192a77ddaccb78@swcp.com>

> I'm working on some regression testing for my GSoC project and am trying
> to understand why
>
>  ctl = open(path("ctl"),ORDWR|OAPPEND);
>  ts = "chatty9p 1"; // or some other message
>
>  n = fprint(ctl, ts);
>
> succeeds, while
>
>  n = write(ctl,ts,sizeof(ts));
>
> fails.
>
> Can someone explain?

Obviously, ts is a char* and, therefore, its size is 4.
You want strlen(ts) instead of sizeof(ts).

	Sape



      parent reply	other threads:[~2010-07-29 12:12 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-07-29 12:02 EBo
2010-07-29 12:06 ` erik quanstrom
2010-07-29 13:21   ` EBo
2010-07-29 15:04     ` erik quanstrom
2010-07-29 15:11       ` David Leimbach
2010-07-29 23:42         ` Federico G. Benavento
2010-07-29 15:18       ` Brian L. Stuart
2010-07-29 15:27       ` EBo
2010-07-29 12:07 ` Skip Tavakkolian
2010-07-29 12:12 ` Sape Mullender [this message]

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