On Wed, Nov 30, 2011 at 01:09, Stefan Fritsch <s...@sfritsch.de> wrote:
> On Wednesday 30 November 2011, Guenter Knauf wrote:
>> Am 30.11.2011 01:51, schrieb William A. Rowe Jr.:
>> > On 11/29/2011 5:30 PM, Stefan Fritsch wrote:
>> >> Currently my scripts produces:
>> >>
>> >> http://people.apache.org/~sf/error-msg-numbers.diff
>> >> http://people.apache.org/~sf/error-msg-numbers.list
>> >>
>> >> This is level info and up, but that is easily changed.
>> >
>> > Everything from debug level up should be coded. Suggestion,
>> > should we allocate numeric ranges per-file, core vs add-on
>> > module, so that there is room for expansion?
>
> I am not sure that this is necessary. The error log lines already
> contain the module name or "core".
>
> Actually I currently have two scripts, one that tries to identify
> where to add a number and adds AHxxxx, and another one that takes each
> AHxxxx and replaces it with the next free number. So programmers would
> only need to add AHxxxx and run the second script over the source
> file.
>
> The only disadvantage may be that in a list sorted by log number,
> messages by the same module would not appear next to each other. On
> the other hand, it should be easy to extend the script to also create
> a list sorted by module or source file name if that is useful.
>
>> another suggestion - perhaps add a 3rd char:
>> AHCxxxx -> core
>> AHMxxxx -> module
>> then we would have for both core and modules the whole range of
>> 9999 error codes ...
>
> Sometimes we move code from the core to a module or vice versa. If the
> code is mostly unchanged, I would want to keep the error message
> number in this case. So best not encode that in the number, IMHO.
>
> If we ever hit the 9999 codes, we could either switch to hex or add
> another digit. Or would it be better to use 5 digits right away?
>
>
> Another thought: Would having the AH0815 numbers verbatim in the
> source actually hurt search engine users because they get hits on
> svn.apache.org, github, and whatever. Maybe a macro that hides the
> actual form would be better?
>
> #define APLOGNO(n)  "AH" #n
>
> should do the trick. The source would then contain
>
> ap_log_error(..., APLOGNO(0815) "foo went wrong", ...);
>
> which would not produce a hit for AH0815.
>
> Thoughts?

Any reason *not* to use 5 digits?

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