From: "Bryan O'Sullivan" <bos@serpentine.com>
To: Timothy Miller <miller@techsource.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Kernel printk format string compression: C syntax problem
Date: 06 Jun 2003 11:01:36 -0700 [thread overview]
Message-ID: <1054922496.29652.12.camel@serpentine.internal.keyresearch.com> (raw)
In-Reply-To: <3EE0CF07.2070908@techsource.com>
On Fri, 2003-06-06 at 10:27, Timothy Miller wrote:
> printk( "EIP\200\3164x:[<\3168lx>] CPU\200%d\n" ,0xffff &
> regs->xcs,regs->eip, (current_thread_info()->cpu));
>
> GCC 3.0.4 makes the following complaint:
>
> arch/i386/kernel/process.c:173: warning: too many arguments for format
>
> What I believe is happening is that where I have the escape code "\316"
> concatenated with the literal "8", the compiler is seeing it as "\3168"
> and doesn't want to take it.
No. Look at the __attribute__ on printk in include/linux/kernel.h. GCC
believes that printk takes a printf-style format string as its first
argument, but you've mangled the string so that the number of format
specifiers doesn't match the number of arguments.
<b
next prev parent reply other threads:[~2003-06-06 17:48 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-06-06 17:27 Timothy Miller
2003-06-06 18:01 ` Bryan O'Sullivan [this message]
2003-06-06 18:50 ` Timothy Miller
[not found] ` <Pine.LNX.4.53.0306061330520.7633@chaos>
2003-06-06 18:49 ` Timothy Miller
2003-06-06 19:16 ` Richard B. Johnson
2003-06-06 19:31 ` Timothy Miller
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