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From: Kaz Kylheku <kaz@kylheku.com>
Newsgroups: comp.os.linux.development.apps
Subject: Re: logging
Date: Tue, 10 Jan 2012 00:13:09 +0000 (UTC)
Organization: A noiseless patient Spider
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On 2012-01-09, Bill M <wpmccormick@just_about_everywhere.com> wrote:
> So I'm up and running with rsyslog. Thanks for the help.
>
> Is there some easy way (MACRO or other such device) to capture file 
> name/line number?

ISO C provides __FILE__ and __LINE__, as well as __DATE__ and __TIME__.

GNU C also has __FUNCTION__ which appears in ISO C99 in the form of __func__.

http://gcc.gnu.org/onlinedocs/cpp/Standard-Predefined-Macros.html