CVS log for epic4/script/tabkey.ce

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* Numerous updates/changes/fixes to DCC, functions, scripts, /EXEC, the
  new math parser, as per UPDATES and KNOWNBUGS.

One potential incompatibility is in the change to $open(). (as per UPDATES)

* DCC chat fixes as per KNOWNBUGS.
* $stat() fixed for tildes.
* Misc tabkey.ce cleanups.

* $fsize(), $fexist() and $stat() now take an empty first argument as an
  indication that the rest of the line is the full filename.
* tabkey.ce can now complete for commands that have commands as arguments
  such as /eval and /repeat.

Yikes.  Merged to become consistent with HEAD.  Sorry for all the commits,
I'll be quiet again soon. :)
-wd

* tabkey.ce altered to make input line modification smoother.
* This patch fixes a bug for when you tab in the middle of the line.

* CTCP-over-DCC fix.  There are some things that confuse me about the inner
  workings here, so I'm not sure if this fix was done properly, but I did
  a few tests including a DCC send over a SED encrypted DCC and everything
  seems to tick over well.
* Unix socket configure tests as per KNOWNBUGS.
* /set flood_ignore defaulted to off.
* Tuned commandqueues.
* The 324 hook is now called for joins as well.
* %{1}D status setting as per UPDATES.
* DCC hold mode as per UPDATES.

* Made a mistake in that $timerctl() patch a while back..  This should
  fix it.
* Changed tabkey.ce to use the new extractw feature in $wordtoindex().

* "Word Philosophy" alterations, /alias leak, flood checking, $glob(),
  tabkey.ce, regression tests, autoget, /fe, /fec, safe_new_next_arg, as
  per KNOWNBUGS.
* $findws(), functions (script), ${i}finditems(), $dccctl(), as per
  UPDATES.

* New aliases for script/functions as per UPDATES.
* A tentative solution for the $glob() problem as per KNOWNBUGS.
* A leak fix for /list as per KNOWNBUGS.
* $timerctl() tuning as per UPDATES.

* Altered the default FLOATING_POINT_PRECISION from 6 to 16 which fixes a
  math bug.
* Melded a count argument into next_args and new_next args to cause a
  specific number of words to be returned.
* Rewrote the /alias xxx (args) form of /alias to avoid using extractw and
  to use *next_args_count instead.
* Tuned the call.xtrace alias in debug.irc.
* Extended $is_on() in guh to allow and return multiple arguments.
* Added $is_off() as a compliment to $is_on().
* Made a minor philosophical change to the way flood detection works:  A
  message is not counted as a flood if it is the first message in a flood.
  The most important impact of this is that rate calculations are more
  accurate.

Documented /exec features.

Note:  The -line* switches for the %proc mode are new and haven't been
       commited yet.

* Added functions $asciiq() $chrq() $exec() $timerctl() $tcl() $winline()
  and $floodinfo().
* Altered the two argument version of $read() to ctcp quote the strings it
  returns.
* Added sets FLOOD_RATE_PER and FLOOD_MASKUSER.
* Altered the "accept" mode of the dcc_raw and dcc_connect hooks to refer
  to the local port instead of the remote port.
* Added a "-closein %proc" switch to /exec.
* Altered the arg list mode of /alias to use extractw instead of next_arg.
* Added the documented "words" argument to the above.
* Tuned autoget, mudirc, tabkey.ce and commandqueues.
* Altered /pretend to not chop the string.
* Set about rewriting the flood detection and then decided that it's better
  off being a script.
* Moved the function macros to their own file (functions.h) and replaced
  all the copies that are strewn throughout the source with an #include.
  The exception is array.c which broke when I tried it.
* Moved the ctcp enquoting/dequoting functions to ircaux.c.
* Added some command/function ordering checks to funcs/regress, and a check
  for all the functions that are undocumented.
* Rewrote function chanmodetype() so that it doesn't have all those flakey
  buffering things.  Hopefully it's readable now.  The significant change
  is that if a mode character appears twice in CHANMODES, the first one is
  returned instead of the last.
* Added EPIC::call() in the perl routines and an equivalent under tcl.
  this is designed to call a $function() directly, but it isn't really that
  fast, so I might rip them out again.
* The /wait internals used to store a few other settings, which were taken
  out, so I put them back.
* Fixed a few problems with normalize_filename() around the place.
* Fixed a bug with /timer in which it would never show the timers after a
  callback.

Added support for completions with spaces in them.

* Merged in another /fe fix I was brewing.
* Altered new_next_arg to not truncate the arguments list if the argument
  taken happened to be empty.  This fixes bugs with /fe and $shift() where
  the list has "" arguments.
* Gave malloc_strcat and m_strcat_ues a clue variable and used it within
  the variable expansion routines so that expanding works in liner time.
   * I am a little bothered by this.  The _correct_ thing to do is to put
     the clue variables into the malloc data for the strings themselves
     like perl does.
* Moved the base structure for 1cmd in command queues from last.qcmd. to
  1cmd.
* Added command completion to tabkey.ce.

* Applied a patch from NSX which fixes a problem with the last commit that
  prevents the inital server connection working.

Other things also commited:
* Fix for ODD_SERVER_STUFF so that it will never have a blank server field.
* fixed $chr() to not have input size limits, however it still cores on
  random data.  I'll fix this later.
* Fix for get_time() in the case of HAVE_GETTIMEOFDAY being undefined.  I
  forget who this was from.
* Minor method addition to tabkey.ce.

* Applied patch from Stephanie M Rogerson to fix compile errors with
  --without-ssl flag.
* Updated tabkey.ce script (work in progress).

* New STATUS_HALFOP setting which acts much the same way as STATUS_CHANOP.
* New function $getcommands() which acts much the same way as $getsets().
  The internals for these two functions probably need to be rolled together.
* Cleanups and minor updates to tabkey.ce.

Yay, a new tabkey script..!  This one is modelled in part on irssi and in
part on my tcsh preferences.  It features:

* It will complete as much as possible before complaining about ambiguity.
* Context sensitivity.  Completing while typing a /help command will cause
  it to search through the help files.
* Extensibility.  Particularly wrt commands.  It is flexible enough that
  it can be added to and altered to suit user preferences.