[Asterisk-code-review] config: Allow filters when appending to a category (asterisk[13])

[George Joseph]

Hello Kevin Harwell, Richard Mudgett, Anonymous Coward #1000019, Joshua Colp,

I'd like you to reexamine a change.  Please visit

    https://gerrit.asterisk.org/2487

to look at the new patch set (#2).

Change subject: config:  Allow filters when appending to a category
......................................................................

config:  Allow filters when appending to a category

In sorcery based config files where there are multiple categories with the same
name, you can't use the (+) operator to reliably append to a category because
config.c stops looking when it finds the first one with the same name.

Example:

[1000]
type = endpoint

[1000]
type = aor

[1000](+)
authenticate_qualify = yes

This config will fail because config.c appends authenticate_qualify to the
first category it finds, the endpoint, and that's not valid for endpoint.

Solution:

The capability to find a category that contains a certain variable already
exists so the only real change was to parse anything after the '+' that's not a
comma, as a filter string.

[1000]
type = endpoint

[1000]
type = aor

[1000](+type=aor)
authenticate_qualify = yes

This now works as expected.

Although the following example doesn't make any sense for pjsip, you can even
specify multiple filters:

[1000](+type=aor&qualify_frequency=10)

ASTERISK-25868 #close
Reported-by: Nick Repin

Change-Id: I10773da4c79db36fbf1993961992af63d3441580
---
M include/asterisk/config.h
M include/asterisk/strings.h
M main/config.c
3 files changed, 63 insertions(+), 10 deletions(-)


  git pull ssh://gerrit.asterisk.org:29418/asterisk refs/changes/87/2487/2
-- 
To view, visit https://gerrit.asterisk.org/2487
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Gerrit-MessageType: newpatchset
Gerrit-Change-Id: I10773da4c79db36fbf1993961992af63d3441580
Gerrit-PatchSet: 2
Gerrit-Project: asterisk
Gerrit-Branch: 13
Gerrit-Owner: George Joseph <george.joseph at fairview5.com>
Gerrit-Reviewer: Anonymous Coward #1000019
Gerrit-Reviewer: Joshua Colp <jcolp at digium.com>
Gerrit-Reviewer: Kevin Harwell <kharwell at digium.com>
Gerrit-Reviewer: Richard Mudgett <rmudgett at digium.com>