CVS log for epic5/source/tcl.c

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* Roll in a bunch of changes from larne to make epic5 more vms-friendly
* Rename if.h -> ifcmd.h  (larne) -- Make sure you rerun configure!
* Run make depend to pick up name change of if.h
* Check for <sys/param.h> in configure (larne)
* Extern funcs are case insensitive in strict c90, fix (larne)
* Rename options -> options.h since vms requires a dot in filename (larne)
* Change "readonly" -> "rdonly" since "readonly" is a symbol in vms. (larne)
* Pull in "compat.h" for gailib.c and glob.c (larne)
* Set stdout to be explciitly line buffered at startup (larne)
* Returning a value from void functino forbidden by strict c90. fix (larne)
* Fix some compiler warnings that were lying around.
* There are more changes forthcoming, these were the easy ones.

___ WARNING ___ This stuff is all wildly un(der)tested.
I will get to that soon!  But I'm too excited about this to sit on it.

* Add AESSHA256 support (AES256 using the SHA256 digest of your passkey)
* Rename "EXTCRYPT" to "PROGCRYPT"
* Migrate SED support from crypt.c to crypto.c
* Integrate SED and extprog support into the mainline [de]cipher_message()
* Refactor [de]cipher_message() to be less lame.
* Support "anycrypt" support (AESSHA, AES, BLOWFISH, CAST5, SED, PROG)
* Include sha256 implementation from Karll.  Thanks Karll!
* Unify the ctcp handling of all crypto ctcps
* Add $sha256() function to test sha support (digest)
* Make funcs in crypto.c static and just expose [de]crypt_msg().
* This finishes the divide between crypt.c (front end) and crypto.c (back end)
* Fix a gazillion compiler warnings and sort out const/unsigned char issues.

Make a header file for external lang support to cut down on the number of
'extern' decls we have inside functions.  Clean up warnings and stuff.

* Rework configure mojo for perl, ruby, tcl to autogrok compile stuff.
* Run make depend again.
* Update the DCC "last time" value regularly.

* Ruby support. yay!
* Add a /tcl command, just for laughs.  Same as perl.

* Nix some func decls in windows.h that don't exist any more
* Add message_setall(), lets you save to_window on the message_from stack.
* Replace users of message_to() with message_setall().
* Replace direct users of to_window with message_setall(). yay!
* /XECHO got rewritten as part of this.  See UPDATES
* Fix various compiler warnings.

* Begin massive refactorization of alias.c, redefining "Alias" as "Symbol"
* Refactor parse_line() with a bunch of front end call_* functions.
* And a general parse_line() front end, "runcmds()".
* Roll builtin expandos in with the user variables
* Roll variables and commands together into one name space. HUZZAH!
* Nix the caches for the global name space, for now.
* I definitely broke /stack alias|assign here.  I'll fix it later.
* Inline expandos are now officially strings instead of a single char.
* Fix bug with $unshift() that popped up.
* Move after_expando() to ircaux.c.  I think it belongs there more.

* Nix auto-append-of-$* feature (args_flag to expand_alias/parse_inline)
* Fix provided scripts to add $* when necessary.
* Fix up Makefile, configure, et al, to use epic5/ directories.

Overhaul of malloced string handling functions:
* Convert m_[s]c3cat[_s]() to malloc_strcat_wordlist_c()
* Nix m_e3cat(), m_s3cat(), m_s3cat_s(), m_3cat()
* Nix m_ec3cat(), m_sc3cat(), m_sc3cat_s(), m_c3cat().
* Convert m_dupchar() to malloc_dupchar().
* Convert m_strndup() to malloc_strndup().
* Make malloc_strcpy/malloc_strcat/malloc_strcat2/malloc_strcat_wordlist macros
* Convert m_2dup() to malloc_strdup2().
* Convert m_3cat() to malloc_strcat2[_c]().
* Convert m_3dup() to malloc_strdup3().
* Convert m_ec3cat() to malloc_strcat2_c()
* Use strlcat_c() in $repeat() instead of strlcpy(). whee!
* Sanity check first arg to $regcomp(), to avoid crashes.
* Don't pass NULL to bsearch(), even if 'nmem' is 0 [$remws()]
* Nix the original malloc_strcpy (supplanted by malloc_strcpy_c)
* Comment out all the deprecated functions

Convert m_strdup() to malloc_strdup().

Okay.  User input is now handled specially, and parse_command() will not
accept incomplete command names anymore.
-wd

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

Minor formatting cleanup.

Added tcl.c which I forgot to do before, sorry.  :-)