Re: [PATCH]kernel.h Fix #warning message web address.
From: Randy Dunlap
Date: Wed Jun 30 2010 - 17:23:10 EST
On Wed, 30 Jun 2010 14:20:42 -0700 Justin P. Mattock wrote:
> > Hehe, ugly. How about making it a single string? GCC preprocessor
> > documentation suggests the same anyway ...
> > Neither `#error' nor `#warning' macro-expands its argument.
> > Internal whitespace sequences are each replaced with a single space.
> > The line must consist of complete tokens. It is wisest to make the
> > argument of these directives be a single string constant; this avoids
> > problems with apostrophes and the like.
Doesn't that mean just put double quotation marks around the entire message string??
> o.k. jiri, here is what I came up with, after re-reading and looking at
> other in the kernel(below).
> From 45f24db45faa06aad01cfc62ff4b475380e5cb11 Mon Sep 17 00:00:00 2001
> From: Justin P. Mattock <justinmattock@xxxxxxxxx>
> Date: Wed, 30 Jun 2010 14:06:18 -0700
> Subject: [PATCH]kernel.h Fix #warning message according to the GCC
> preprocessor docs.
> received this #warning from a simple printk program and noticed the web
> address is not showing up:
> gcc printk.c -o printk
> In file included from printk.c:3:
> include/linux/kernel.h:733:2: warning: #warning Attempt to use kernel
> headers from user space, see http:
> after the changes the warning should just say:
> #warning Attempt to use kernel headers from user space!
> Signed-off-by: Justin P. Mattock <justinmattock@xxxxxxxxx>
> include/linux/kernel.h | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
> diff --git a/include/linux/kernel.h b/include/linux/kernel.h
> index 8317ec4..b542961 100644
> --- a/include/linux/kernel.h
> +++ b/include/linux/kernel.h
> @@ -730,7 +730,7 @@ extern int do_sysinfo(struct sysinfo *info);
> #ifndef __EXPORTED_HEADERS__
> #ifndef __KERNEL__
> -#warning Attempt to use kernel headers from user space, see
> +#warning Attempt to use kernel headers from user space!
> #endif /* __KERNEL__ */
> #endif /* __EXPORTED_HEADERS__ */
> now I'm wondering if there should be a lead to the documentation with
> this web address(seems grep is not finding anything that I might be able
> to use).or just leave as is, and let people connect-the-dots!!
> let me know..
> Justin P. Mattock
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majordomo@xxxxxxxxxxxxxxx
> More majordomo info at http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at http://www.tux.org/lkml/
*** Remember to use Documentation/SubmitChecklist when testing your code ***
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/