On Wed, Sep 20, 2017 at 1:11 PM, Yann Ylavic <ylavic.dev@xxxxxxxxx> wrote:
> On Wed, Sep 20, 2017 at 12:58 PM, Yann Ylavic <ylavic.dev@xxxxxxxxx> wrote:
>> On Wed, Sep 20, 2017 at 11:55 AM, eeadev dev <eeadev@xxxxxxxxx> wrote:
>>> I have to write a set of variable to be read from my C module. Those
>>> variable could be change when the code is in production, similar to what u
>>> would write in a java properties file.
>>>
>>> What is the proper way to do it and which functions to use?
>>>
>>> write the in the httpd.conf (what is the API for getting/setting a var
>>> visible in all the apache web server)
>>
>> You could:
>> Define VAR_NAME "some_value"
>> in "httpd.conf" and then:
>> const char *var_value = ap_resolve_env(some_pool, "VAR_NAME");
>> in your module for example.
>
> Hmm, actually you'd have to use (note the leading $):
> const char *var_value = ap_resolve_env(some_pool, "$VAR_NAME");
> in your module.
OK, sorry for not having looked at ap_resolve_env() more thoroughly first.
What you'd have to use in your module is in fact:
const char *var_value = ap_resolve_env(some_pool, "${VAR_NAME}");
>
> So it may not be appropriate if "VAR_NAME" was instead a C variable
> like var_name (which you'd have to prefix...).
This still stands, even worse (prefix + suffix).
But maybe simple enough if you'll only use string literals...
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