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Printing Line number with WDK
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Mark Scott  
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 More options Apr 6 2010, 6:48 am
Newsgroups: microsoft.public.development.device.drivers
From: Mark Scott <mrk...@gmail.com>
Date: Tue, 6 Apr 2010 03:48:10 -0700 (PDT)
Local: Tues, Apr 6 2010 6:48 am
Subject: Printing Line number with WDK
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I am trying to print the line numbers using __LINE__ in DbgPrint,
however it does not seem to be working.
I am using WDK 7600.16385.1 for x86 Windows7 build.

The statement
DbgPrint(( __LINE__ "\n" ));
results in compilation error
error C2143: syntax error : missing ')' before 'string'
warning C4047: 'function' : 'PCSTR' differs in levels of indirection
from 'int'
warning C4024: 'DbgPrint' : different types for formal and actual
parameter 1

while the statement
DbgPrint(( "%d \n", __LINE__ ));
gives the following compilation warnings (errors):
warning C4047: 'function' : 'PCSTR' differs in levels of indirection
from 'int'
warning C4047: 'function' : 'PCSTR' differs in levels of indirection
from 'int'
warning C4024: 'DbgPrint' : different types for formal and actual
parameter 1
warning C4024: 'DbgPrint' : different types for formal and actual
parameter 1

Can any one point me if there is any problem in my code (DbgPrint
statements).
I have not faced this problem with earlier versions of WDK/DDK on
Vista

Thanks,
Mark


 
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Kalle Olavi Niemitalo  
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 More options Apr 6 2010, 6:21 pm
Newsgroups: microsoft.public.development.device.drivers
From: Kalle Olavi Niemitalo <k...@iki.fi>
Date: Wed, 07 Apr 2010 01:21:08 +0300
Local: Tues, Apr 6 2010 6:21 pm
Subject: Re: Printing Line number with WDK
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Mark Scott <mrk...@gmail.com> writes:
> DbgPrint(( "%d \n", __LINE__ ));

Either use fewer parentheses or switch to KdPrint.

 
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alberto  
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 More options Apr 7 2010, 2:23 pm
Newsgroups: microsoft.public.development.device.drivers
From: alberto <amore...@ieee.org>
Date: Wed, 7 Apr 2010 11:23:05 -0700 (PDT)
Local: Wed, Apr 7 2010 2:23 pm
Subject: Re: Printing Line number with WDK
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In my driver I use __LINE__ as a parameter to  RtlStringCchPrintfA and
it works fine. But I don't use any extra parenthesis, and I let my
format string issue the \n.

Hope this helps,

Alberto.

On Apr 6, 6:48 am, Mark Scott <mrk...@gmail.com> wrote:


 
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Tim Roberts  
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 More options Apr 8 2010, 1:27 am
Newsgroups: microsoft.public.development.device.drivers
From: Tim Roberts <t...@probo.com>
Date: Wed, 07 Apr 2010 22:27:35 -0700
Local: Thurs, Apr 8 2010 1:27 am
Subject: Re: Printing Line number with WDK
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You have two problems.  First, DbgPrint is a real function, and thus only
takes one set of parens.  KdPrint is a macro, and requires two sets.

Second, just as the error message says, __LINE__ is an integer, not a
string.  You can't pass it where a string is expected.

>I have not faced this problem with earlier versions of WDK/DDK on
>Vista

You probably used KdPrint instead of DbgPrint.
--
Tim Roberts, t...@probo.com
Providenza & Boekelheide, Inc.

 
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