[multiple] rename status_counter -> plugin_stats

[multiple] limit scope of socket config options

warn if socket config options used only at startup are used outside
global scope or $SERVER["socket"] with '==' condition

[core] prefix (=^), suffix (=$) config conditions (fixes #3153)

x-ref:
"lighttpd.conf conditionals using prefix and suffix matching"
https://redmine.lighttpd.net/issues/3153

[core] isolate plugins_*() funcs to main server

(future: might rename plugin.c -> plugins.c since the functions
contained within are all plugins_*())

[core] allocate pcre output vector on demand

allocate pcre output vector on demand for saved config captures
(similar to what is done in lighttpd for pcre2 support)

[core] pcre2 support (--with-pcre2)

x-ref:
"lighttpd: depends on obsolete pcre3 library"
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1000063

[core] use stack w/ pcre_exec unless save captures

use stack w/ pcre_exec unless saving captures from config conditions

reduce memory allocations per request where lighttpd.conf does not
contain ur

[core] use stack w/ pcre_exec unless save captures

use stack w/ pcre_exec unless saving captures from config conditions

reduce memory allocations per request where lighttpd.conf does not
contain url.redirect or url.rewrite rules where replacements reference
a match of the enclosing lighttpd.conf condition (e.g. %0, %1, %2 ...)

move cond_cache_t 'patterncount' to cond_match_t 'captures'
While cond_match_t is no longer sized power-2, it is generally expected
to be used much less frequently than before (which was all the time),
since it is now used only with url.redirect or url.rewrite with
references %0, %1, %2, ...

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[core] save config regex captures only if used

save config regex captures separately only if used by url.redirect
or url.rewrite replacement directives within the condition
(or for conditions contai

[core] save config regex captures only if used

save config regex captures separately only if used by url.redirect
or url.rewrite replacement directives within the condition
(or for conditions containing directives from any other module
which calls config_capture() for its directives during init)

keep pointer to match data (cond_match_t *) in r->cond_match[]
rather than cond_match_t to reduce data copying in h2_init_stream().
h2_init_stream() copies the results for already-evaluated conditions
to avoid re-evaluating connection-level conditions for each and every
stream. When conditions are reset, then the pointer in r->cond_match[]
is updated when the condition is re-evaluated. (This all assumes that
HTTP/2 connection-level conditions are not unset or re-evaluated once
HTTP/2 streams begin.)

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[multiple] check feature flags funcs; code reuse

config_feature_bool()
config_feature_int()

[multiple] de-dup file and piped loggers (fixes #3101)

de-dup file and piped loggers for error logs and access logs

x-ref:
"RFE: de-dup file and piped loggers"
https://redmine.lighttpd.net/issu

[multiple] de-dup file and piped loggers (fixes #3101)

de-dup file and piped loggers for error logs and access logs

x-ref:
"RFE: de-dup file and piped loggers"
https://redmine.lighttpd.net/issues/3101

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[core] request_config_reset()

move configfile.c:config_reset_config()
to reqpool.c:request_config_reset()

[multiple] add attrs from gcc -Wsuggest-attribute=

[core] tighten struct data_config and related code

tighten struct data_config and config_cond_info
create config key at startup and reuse for debug/trace
separate routine for configparser_parse_cond

[core] tighten struct data_config and related code

tighten struct data_config and config_cond_info
create config key at startup and reuse for debug/trace
separate routine for configparser_parse_condition()
separate routine for configparser_parse_else_condition()

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[core] const data_unset *array_get_element_klen()

return (const data_unset *) from array_get_element_klen();
use array_get_data_unset() for non-const (note: marked attribute cold)

[core] config_plugin_value_to_int32()

[core] server.feature-flags extensible config

server.feature-flags = ("server.xxxx" => "enable")

[multiple] split con, request (very large change)

NB: r->tmp_buf == srv->tmp_buf (pointer is copied for quicker access)

NB: request read and write chunkqueues currently point to connection
chun

[multiple] split con, request (very large change)

NB: r->tmp_buf == srv->tmp_buf (pointer is copied for quicker access)

NB: request read and write chunkqueues currently point to connection
chunkqueues; per-request and per-connection chunkqueues are
not distinct from one another
con->read_queue == r->read_queue
con->write_queue == r->write_queue

NB: in the future, a separate connection config may be needed for
connection-level module hooks. Similarly, might need to have
per-request chunkqueues separate from per-connection chunkqueues.
Should probably also have a request_reset() which is distinct from
connection_reset().

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[core] support multiple error logs

e.g. different server.errorlog for different virtual hosts

Also, support different server.breakagelog to have separate script
error logs, applicable to mod_cgi an

[core] support multiple error logs

e.g. different server.errorlog for different virtual hosts

Also, support different server.breakagelog to have separate script
error logs, applicable to mod_cgi and mod_ssi exec.

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[core] (minor) config_plugin_keys_t data packing

[multiple] generic config array type checking

[multiple] connection hooks no longer get (srv *)

(explicit (server *) not passed; available in con->srv)

[multiple] prefer (connection *) to (srv *)

convert all log_error_write() to log_error() and pass (log_error_st *)

use con->errh in preference to srv->errh (even though currently same)

avoid passi

[multiple] prefer (connection *) to (srv *)

convert all log_error_write() to log_error() and pass (log_error_st *)

use con->errh in preference to srv->errh (even though currently same)

avoid passing (server *) when previously used only for logging (errh)

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[core] split cond cache from cond matches

[core] isolate use of data_config, configfile.h