CVS log for epic4/include/array.h

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

* Fixed a leak in /window channel.
* Fixed a couple of leaks in /server -d.
* Added $finditems() but it isn't finished yet, so it's #ifed out.

* /exec leak fix for -line, -part, etc.
* /for var from x to y step z will work for negative z now, but for bug
  compatibility, you must use a negative step to actually make this work.
* Local variable tweaks.
* Fixed $word() to not discard words after a "".
* /userip now uses the internal queue, if the server supports it via the
  USERIP 005.  Otherwise, it will send the command directly to the server.
  The problem with this is that to avoid the internal cache returning the
  users address, you must use -direct.  This needs to be fixed.
* Karll Array overhaul.  Removed certain performance traps for very large
  arrays, which have very large numbers of like items, and made it such
  that arrays can be in an unsorted internaly until the time that they
  need to be sorted, when a quicksort is called on them.
   * Added two new functions to deal with this:  $usetitem() and
     $delitems().  These work like their similarly named counterparts, but
     leave the array unsorted, and generally perform better.
   * Any function which uses indexes or performs a binary search on an
     array will cause the array to be sorted.
   * For the most part, extended functions to allow for additional
     item/index args.  $getitem(array $getmatches(array *cat*)) will
     return the contents of all items that have the character sequence
     "cat" in them.  $getitem(array2 $getmatches(array1 *cat*)) will
     act much like $copattern().

* Miscelaneous 3cat updates.
* History expansion copies the history buffer verbatim now.
  * Bugfix:  /!0 would not retrieve the first command entered.
  * Bugfix:  Negative numbers not found would be display the
    incorrect number in the error message.  eg:  /!-4444
* Alterations to remove_trailing_spaces interface.
* $igetrmatches() was defined, but inaccessible.

Two patches applied, aka, the string and perl patches.

The perl patch adds perl support via three perl functions.

The string patch:
  * Rewrites new_realloc to more closely resemble new_realloc in its
    interface, and in that it calls realloc directly.
  * Adds an argument to the 3cat functions that permits it to seek
    directly to the end of the string.  Designed to improve performance.
  * Alters a few things to use the above.
  * Tunes a few other string functions in ircaux.c.
  * Rewrites $uniq() for performance reasons.
  * Removes the part of $jot() that preallocates the string.  I feel a
    little guilty about this somehow though it seems to have absolutely
    no effect on performance anymore.

Initial import into CVS

Initial revision