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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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* Revision 1.49 2006/02/07 05:36:13 reinelt
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* Layers added to Layout
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* Revision 1.48 2006/01/30 12:53:07 reinelt
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* replaced strncpy with strcpy where possible
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* Revision 1.47 2005/05/08 04:32:43 reinelt
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* CodingStyle added and applied
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* Revision 1.46 2005/05/02 05:15:46 reinelt
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* make busy-flag checking configurable for LCD-Linux driver
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* Revision 1.45 2005/01/18 06:30:21 reinelt
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* added (C) to all copyright statements
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* Revision 1.44 2005/01/17 06:29:24 reinelt
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* added software-controlled backlight support to HD44780
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* Revision 1.43 2004/11/29 04:42:06 reinelt
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* removed the 99999 msec limit on widget update time (thanks to Petri Damsten)
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* Revision 1.42 2004/06/26 12:04:59 reinelt
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* uh-oh... the last CVS log message messed up things a lot...
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* Revision 1.41 2004/06/26 09:27:20 reinelt
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* added '-W' to CFLAGS
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* changed all C++ comments to C ones
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* cleaned up a lot of signed/unsigned mistakes
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* Revision 1.40 2004/06/20 10:09:52 reinelt
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* 'const'ified the whole source
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* Revision 1.39 2004/03/11 06:39:58 reinelt
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* big patch from Martin:
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* - memory leaks fixed
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* - earlier busy-flag checking with HD44780
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* - reuse memory for strings in RESULT and hash
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* - netdev_fast to wavid time-consuming regex
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* Revision 1.38 2004/03/08 16:26:26 reinelt
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* re-introduced \nnn (octal) characters in strings
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* text widgets can have a 'update' speed of 0 which means 'never'
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* (may be used for static content)
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* Revision 1.37 2004/03/06 20:31:16 reinelt
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* Complete rewrite of the evaluator to get rid of the code
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* from mark Morley (because of license issues).
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* The new Evaluator does a pre-compile of expressions, and
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* stores them in trees. Therefore it should be reasonable faster...
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* Revision 1.36 2004/03/03 03:47:04 reinelt
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* big patch from Martin Hejl:
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* - use qprintf() where appropriate
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* - save CPU cycles on gettimeofday()
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* - add quit() functions to free allocated memory
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* - fixed lots of memory leaks
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* Revision 1.35 2004/03/01 04:29:51 reinelt
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* cfg_number() returns -1 on error, 0 if value not found (but default val used),
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* and 1 if value was used from the configuration.
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* HD44780 driver adopted to new cfg_number()
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* Crystalfontz 631 driver nearly finished
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* Revision 1.34 2004/02/18 06:39:20 reinelt
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* T6963 driver for graphic displays finished
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* Revision 1.33 2004/02/01 18:08:50 reinelt
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* removed strtok() from layout processing (took me hours to find this bug)
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* further strtok() removind should be done!
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* Revision 1.32 2004/01/30 20:57:55 reinelt
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* HD44780 patch from Martin Hejl
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* Revision 1.31 2004/01/29 04:40:02 reinelt
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* every .c file includes "config.h" now
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* Revision 1.30 2004/01/22 07:57:45 reinelt
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* several bugs fixed where segfaulting on layout>display
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* Crystalfontz driver optimized, 632 display already works
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* Revision 1.29 2004/01/18 06:54:08 reinelt
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* bug in expr.c fixed (thanks to Xavier)
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* some progress with /proc/stat parsing
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* Revision 1.28 2004/01/16 05:04:53 reinelt
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* started plugin proc_stat which should parse /proc/stat
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* which again is a paint in the a**
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* thinking over implementation methods of delta functions
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* Revision 1.27 2004/01/14 11:33:00 reinelt
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* new plugin 'uname' which does what it's called
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* text widget nearly finished
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* first results displayed on MatrixOrbital
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* Revision 1.26 2004/01/11 18:26:02 reinelt
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* further widget and layout processing
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* Revision 1.25 2004/01/11 09:26:15 reinelt
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* layout starts to exist...
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* Revision 1.24 2004/01/10 20:22:33 reinelt
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* added new function 'cfg_list()' (not finished yet)
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* added layout.c (will replace processor.c someday)
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* added widget_text.c (will be the first and most important widget)
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* modified lcd4linux.c so that old-style configs should work, too
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* Revision 1.23 2004/01/09 04:16:06 reinelt
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* added 'section' argument to cfg_get(), but NULLed it on all calls by now.
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* Revision 1.22 2004/01/08 06:00:28 reinelt
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* allowed '.' in key names
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* allowed empty section keys (not only "section anything {", but "anything {")
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* Revision 1.21 2004/01/08 05:28:12 reinelt
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* Luk Claes added to AUTHORS
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* cfg: section handling ('{}') added
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* Revision 1.20 2004/01/07 10:15:41 reinelt
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* small glitch in evaluator fixed
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* made config table sorted and access with bsearch(),
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* which should be much faster
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* Revision 1.19 2003/12/19 05:35:14 reinelt
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* renamed 'client' to 'plugin'
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* Revision 1.18 2003/10/11 06:01:52 reinelt
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* renamed expression.{c,h} to client.{c,h}
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* added config file client
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* new functions 'AddNumericVariable()' and 'AddStringVariable()'
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* new parameter '-i' for interactive mode
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* Revision 1.17 2003/10/05 17:58:50 reinelt
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* libtool junk; copyright messages cleaned up
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* Revision 1.16 2003/09/09 06:54:43 reinelt
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* new function 'cfg_number()'
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* Revision 1.15 2003/08/24 05:17:58 reinelt
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* liblcd4linux patch from Patrick Schemitz
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* Revision 1.14 2003/08/14 03:47:40 reinelt
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* remove PID file if driver initialisation fails
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* Revision 1.13 2003/02/22 07:53:10 reinelt
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* cfg_get(key,defval)
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* Revision 1.12 2001/03/09 12:14:24 reinelt
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* Revision 1.11 2001/03/08 15:25:38 ltoetsch
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* Revision 1.10 2001/03/07 18:10:21 ltoetsch
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* added e(x)ec commands
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* Revision 1.9 2000/08/10 09:44:09 reinelt
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* new debugging scheme: error(), info(), debug()
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* uses syslog if in daemon mode
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* Revision 1.8 2000/07/31 06:46:35 reinelt
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* eliminated some compiler warnings with glibc
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* Revision 1.7 2000/04/15 11:13:54 reinelt
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* added '-d' (debugging) switch
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* added several debugging messages
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* removed config entry 'Delay' for HD44780 driver
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* delay loop for HD44780 will be calibrated automatically
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* Revision 1.6 2000/04/03 04:46:38 reinelt
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* added '-c key=val' option
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* Revision 1.5 2000/03/28 07:22:15 reinelt
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* version 0.95 released
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* X11 driver up and running
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* Revision 1.4 2000/03/26 20:00:44 reinelt
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* README.Raster added
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* Revision 1.3 2000/03/26 19:03:52 reinelt
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* more Pixmap renaming
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* quoting of '#' in config file
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* Revision 1.2 2000/03/10 17:36:02 reinelt
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* first unstable but running release
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* Revision 1.1 2000/03/10 11:40:47 reinelt
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* *** empty log message ***
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* Revision 1.3 2000/03/07 11:01:34 reinelt
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* Revision 1.2 2000/03/06 06:04:06 reinelt