1 // options.cxx -- class to handle command line options
3 // Written by Curtis Olson, started April 1998.
5 // Copyright (C) 1998 Curtis L. Olson - curt@me.umn.edu
7 // This program is free software; you can redistribute it and/or
8 // modify it under the terms of the GNU General Public License as
9 // published by the Free Software Foundation; either version 2 of the
10 // License, or (at your option) any later version.
12 // This program is distributed in the hope that it will be useful, but
13 // WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 // General Public License for more details.
17 // You should have received a copy of the GNU General Public License
18 // along with this program; if not, write to the Free Software
19 // Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 // (Log is kept at end of this file)
29 #include <math.h> // rint()
31 #include <stdlib.h> // atof(), atoi()
35 #include <Debug/logstream.hxx>
36 #include <FDM/flight.hxx>
37 #include <Include/fg_constants.h>
38 #include <Main/options.hxx>
39 #include <Misc/fgstream.hxx>
41 #include "fg_serial.hxx"
45 atof( const string& str )
47 return ::atof( str.c_str() );
51 atoi( const string& str )
53 return ::atoi( str.c_str() );
56 // Defined the shared options class here
57 fgOPTIONS current_options;
61 fgOPTIONS::fgOPTIONS() :
62 // starting longitude in degrees (west = -)
63 // starting latitude in degrees (south = -)
65 // Default initial position is Globe, AZ (P13)
69 // North of the city of Globe
73 // North of the city of Globe
77 // Near where I used to live in Globe, AZ
81 // 10125 Jewell St. NE
85 // Near KHSP (Hot Springs, VA)
86 // lon(-79.8338964 + 0.01),
87 // lat( 37.9514564 + 0.008),
89 // (SEZ) SEDONA airport
90 // lon(-111.7884614 + 0.01),
91 // lat( 34.8486289 - 0.015),
93 // Jim Brennon's Kingmont Observatory
97 // Huaras, Peru (S09d 31.871' W077d 31.498')
101 // Eclipse Watching w73.5 n10 (approx) 18:00 UT
106 // lon(-90.1953055556),
107 // lat( 45.4511388889),
109 // starting altitude in meters (this will be reset to ground level
110 // if it is lower than the terrain
113 // Initial Orientation
114 heading(270.0), // heading (yaw) angle in degress (Psi)
115 roll(0.0), // roll angle in degrees (Phi)
116 pitch(0.424), // pitch angle in degrees (Theta)
130 // Flight Model options
131 flight_model(FGState::FG_LARCSIM),
134 fog(FG_FOG_NICEST), // nicest
148 units(FG_UNITS_FEET),
155 // set initial values/defaults
156 char* envp = ::getenv( "FG_ROOT" );
158 if ( envp != NULL ) {
159 // fg_root could be anywhere, so default to environmental
160 // variable $FG_ROOT if it is set.
163 // Otherwise, default to a random compiled in location if
164 // $FG_ROOT is not set. This can still be overridden from the
165 // command line or a config file.
168 fg_root = "\\FlightGear";
170 fg_root = "/usr/local/lib/FlightGear";
174 airport_id = ""; // default airport id
176 // initialize port config string list
177 port_options_list.erase ( port_options_list.begin(),
178 port_options_list.end() );
183 fgOPTIONS::parse_time(const string& time_in) {
184 char *time_str, num[256];
185 double hours, minutes, seconds;
190 time_str = (char *)time_in.c_str();
192 // printf("parse_time(): %s\n", time_str);
195 if ( strlen(time_str) ) {
196 if ( time_str[0] == '+' ) {
199 } else if ( time_str[0] == '-' ) {
204 // printf("sign = %d\n", sign);
207 if ( strlen(time_str) ) {
209 while ( (time_str[0] != ':') && (time_str[0] != '\0') ) {
210 num[i] = time_str[0];
214 if ( time_str[0] == ':' ) {
219 // printf("hours = %.2lf\n", hours);
225 if ( strlen(time_str) ) {
227 while ( (time_str[0] != ':') && (time_str[0] != '\0') ) {
228 num[i] = time_str[0];
232 if ( time_str[0] == ':' ) {
237 // printf("minutes = %.2lf\n", minutes);
239 result += minutes / 60.0;
243 if ( strlen(time_str) ) {
245 while ( (time_str[0] != ':') && (time_str[0] != '\0') ) {
246 num[i] = time_str[0];
252 // printf("seconds = %.2lf\n", seconds);
254 result += seconds / 3600.0;
257 return(sign * result);
261 // parse degree in the form of [+/-]hhh:mm:ss
263 fgOPTIONS::parse_degree( const string& degree_str) {
264 double result = parse_time( degree_str );
266 // printf("Degree = %.4f\n", result);
272 // parse time offset command line option
274 fgOPTIONS::parse_time_offset( const string& time_str) {
277 // printf("time offset = %s\n", time_str);
280 result = (int)rint(parse_time(time_str) * 3600.0);
282 result = (int)(parse_time(time_str) * 3600.0);
285 // printf("parse_time_offset(): %d\n", result);
291 // Parse --tile-diameter=n type option
294 fgOPTIONS::parse_tile_radius( const string& arg ) {
295 int radius = atoi( arg );
297 if ( radius < FG_RADIUS_MIN ) { radius = FG_RADIUS_MIN; }
298 if ( radius > FG_RADIUS_MAX ) { radius = FG_RADIUS_MAX; }
300 // printf("parse_tile_radius(): radius = %d\n", radius);
306 // Parse --flightmode=abcdefg type option
308 fgOPTIONS::parse_flight_model( const string& fm ) {
309 // printf("flight model = %s\n", fm);
311 if ( fm == "slew" ) {
312 return FGState::FG_SLEW;
313 } else if ( (fm == "larcsim") || (fm == "LaRCsim") ) {
314 return FGState::FG_LARCSIM;
315 } else if ( fm == "external" ) {
316 return FGState::FG_EXTERNAL;
318 FG_LOG( FG_GENERAL, FG_ALERT, "Unknown flight model = " << fm );
322 // we'll never get here, but it makes the compiler happy.
327 // Parse --fov=x.xx type option
329 fgOPTIONS::parse_fov( const string& arg ) {
330 double fov = atof(arg);
332 if ( fov < FG_FOV_MIN ) { fov = FG_FOV_MIN; }
333 if ( fov > FG_FOV_MAX ) { fov = FG_FOV_MAX; }
335 // printf("parse_fov(): result = %.4f\n", fov);
341 // Parse serial port option --serial=/dev/ttyS1,nmea,4800,out
343 // Format is "--serial=device,format,baud,direction" where
345 // device = OS device name to be open()'ed
346 // format = {nmea, fgfs}
347 // baud = {300, 1200, 2400, ..., 230400}
348 // direction = {in, out, bi}
351 fgOPTIONS::parse_serial( const string& serial_str ) {
352 string::size_type pos;
354 // cout << "Serial string = " << serial_str << endl;
356 // a flailing attempt to see if the port config string has a
357 // chance at being valid
358 pos = serial_str.find(",");
359 if ( pos == string::npos ) {
360 FG_LOG( FG_GENERAL, FG_ALERT,
361 "Malformed serial port configure string" );
365 port_options_list.push_back( serial_str );
371 // Parse a single option
372 int fgOPTIONS::parse_option( const string& arg ) {
374 if ( (arg == "--help") || (arg == "-h") ) {
375 // help/usage request
376 return(FG_OPTIONS_HELP);
377 } else if ( arg == "--disable-game-mode") {
379 } else if ( arg == "--enable-game-mode" ) {
381 } else if ( arg == "--disable-splash-screen" ) {
382 splash_screen = false;
383 } else if ( arg == "--enable-splash-screen" ) {
384 splash_screen = true;
385 } else if ( arg == "--disable-intro-music" ) {
387 } else if ( arg == "--enable-intro-music" ) {
389 } else if ( arg == "--disable-mouse-pointer" ) {
391 } else if ( arg == "--enable-mouse-pointer" ) {
393 } else if ( arg == "--disable-pause" ) {
395 } else if ( arg == "--enable-pause" ) {
397 } else if ( arg == "--disable-hud" ) {
399 } else if ( arg == "--enable-hud" ) {
401 } else if ( arg == "--disable-panel" ) {
402 panel_status = false;
403 } else if ( arg == "--enable-panel" ) {
405 } else if ( arg == "--disable-sound" ) {
407 } else if ( arg == "--enable-sound" ) {
409 } else if ( arg.find( "--airport-id=") != string::npos ) {
410 airport_id = arg.substr( 13 );
411 } else if ( arg.find( "--lon=" ) != string::npos ) {
412 lon = parse_degree( arg.substr(6) );
413 } else if ( arg.find( "--lat=" ) != string::npos ) {
414 lat = parse_degree( arg.substr(6) );
415 } else if ( arg.find( "--altitude=" ) != string::npos ) {
416 if ( units == FG_UNITS_FEET ) {
417 altitude = atof( arg.substr(11) ) * FEET_TO_METER;
419 altitude = atof( arg.substr(11) );
421 } else if ( arg.find( "--heading=" ) != string::npos ) {
422 heading = atof( arg.substr(10) );
423 } else if ( arg.find( "--roll=" ) != string::npos ) {
424 roll = atof( arg.substr(7) );
425 } else if ( arg.find( "--pitch=" ) != string::npos ) {
426 pitch = atof( arg.substr(8) );
427 } else if ( arg.find( "--fg-root=" ) != string::npos ) {
428 fg_root = arg.substr( 10 );
429 } else if ( arg.find( "--flight-model=" ) != string::npos ) {
430 flight_model = parse_flight_model( arg.substr(15) );
431 } else if ( arg == "--fog-disable" ) {
432 fog = FG_FOG_DISABLED;
433 } else if ( arg == "--fog-fastest" ) {
434 fog = FG_FOG_FASTEST;
435 } else if ( arg == "--fog-nicest" ) {
437 } else if ( arg.find( "--fov=" ) != string::npos ) {
438 fov = parse_fov( arg.substr(6) );
439 } else if ( arg == "--disable-fullscreen" ) {
441 } else if ( arg== "--enable-fullscreen") {
443 } else if ( arg == "--shading-flat") {
445 } else if ( arg == "--shading-smooth") {
447 } else if ( arg == "--disable-skyblend") {
449 } else if ( arg== "--enable-skyblend" ) {
451 } else if ( arg == "--disable-textures" ) {
453 } else if ( arg == "--enable-textures" ) {
455 } else if ( arg == "--disable-wireframe" ) {
457 } else if ( arg == "--enable-wireframe" ) {
459 } else if ( arg.find( "--geometry=" ) != string::npos ) {
460 string geometry = arg.substr( 11 );
461 if ( geometry == "640x480" ) {
464 } else if ( geometry == "800x600" ) {
467 } else if ( geometry == "1024x768" ) {
471 FG_LOG( FG_GENERAL, FG_ALERT, "Unknown geometry: " << geometry );
474 } else if ( arg == "--units-feet" ) {
475 units = FG_UNITS_FEET;
476 } else if ( arg == "--units-meters" ) {
477 units = FG_UNITS_METERS;
478 } else if ( arg.find( "--tile-radius=" ) != string::npos ) {
479 tile_radius = parse_tile_radius( arg.substr(14) );
480 tile_diameter = tile_radius * 2 + 1;
481 } else if ( arg.find( "--time-offset=" ) != string::npos ) {
482 time_offset = parse_time_offset( (arg.substr(14)) );
483 } else if ( arg == "--hud-tris" ) {
485 } else if ( arg == "--hud-culled" ) {
487 } else if ( arg.find( "--serial=" ) != string::npos ) {
488 parse_serial( arg.substr(9) );
490 FG_LOG( FG_GENERAL, FG_ALERT, "Unknown option '" << arg << "'" );
491 return FG_OPTIONS_ERROR;
494 return FG_OPTIONS_OK;
498 // Parse the command line options
499 int fgOPTIONS::parse_command_line( int argc, char **argv ) {
503 FG_LOG(FG_GENERAL, FG_INFO, "Processing command line arguments");
506 FG_LOG( FG_GENERAL, FG_DEBUG, "argv[" << i << "] = " << argv[i] );
508 result = parse_option(argv[i]);
509 if ( (result == FG_OPTIONS_HELP) || (result == FG_OPTIONS_ERROR) ) {
516 return(FG_OPTIONS_OK);
520 // Parse config file options
521 int fgOPTIONS::parse_config_file( const string& path ) {
522 fg_gzifstream in( path );
524 return(FG_OPTIONS_ERROR);
526 FG_LOG( FG_GENERAL, FG_INFO, "Processing config file: " << path );
534 if ( parse_option( line ) == FG_OPTIONS_ERROR ) {
535 FG_LOG( FG_GENERAL, FG_ALERT,
536 "Config file parse error: " << path << " '"
543 return FG_OPTIONS_OK;
547 // Print usage message
548 void fgOPTIONS::usage ( void ) {
549 printf("Usage: fg [ options ... ]\n");
552 printf("General Options:\n");
553 printf("\t--help -h: print usage\n");
554 printf("\t--fg-root=path: specify the root path for all the data files\n");
555 printf("\t--disable-game-mode: disable full-screen game mode\n");
556 printf("\t--enable-game-mode: enable full-screen game mode\n");
557 printf("\t--disable-splash-screen: disable splash screen\n");
558 printf("\t--enable-splash-screen: enable splash screen\n");
559 printf("\t--disable-intro-music: disable introduction music\n");
560 printf("\t--enable-intro-music: enable introduction music\n");
561 printf("\t--disable-mouse-pointer: disable extra mouse pointer\n");
562 printf("\t--enable-mouse-pointer: enable extra mouse pointer (i.e. for\n");
563 printf("\t\tfull screen voodoo/voodoo-II based cards.)\n");
564 printf("\t--disable-pause: start out in an active state\n");
565 printf("\t--enable-pause: start out in a paused state\n");
568 printf("Features:\n");
569 printf("\t--disable-hud: disable heads up display\n");
570 printf("\t--enable-hud: enable heads up display\n");
571 printf("\t--disable-panel: disable instrument panel\n");
572 printf("\t--enable-panel: enable instrumetn panel\n");
573 printf("\t--disable-sound: disable sound effects\n");
574 printf("\t--enable-sound: enable sound effects\n");
577 printf("Flight Model:\n");
578 printf("\t--flight-mode=abcd: one of slew, larcsim, or external\n");
581 printf("Initial Position and Orientation:\n");
582 printf("\t--airport-id=ABCD: specify starting postion by airport id\n");
583 printf("\t--lon=degrees: starting longitude in degrees (west = -)\n");
584 printf("\t--lat=degrees: starting latitude in degrees (south = -)\n");
585 printf("\t--altitude=feet: starting altitude in feet\n");
586 printf("\t\t(unless --units-meters specified\n");
587 printf("\t--heading=degrees: heading (yaw) angle in degress (Psi)\n");
588 printf("\t--roll=degrees: roll angle in degrees (Phi)\n");
589 printf("\t--pitch=degrees: pitch angle in degrees (Theta)\n");
592 printf("Rendering Options:\n");
593 printf("\t--fog-disable: disable fog/haze\n");
594 printf("\t--fog-fastest: enable fastest fog/haze\n");
595 printf("\t--fog-nicest: enable nicest fog/haze\n");
596 printf("\t--fov=xx.x: specify initial field of view angle in degrees\n");
597 printf("\t--disable-fullscreen: disable fullscreen mode\n");
598 printf("\t--enable-fullscreen: enable fullscreen mode\n");
599 printf("\t--shading-flat: enable flat shading\n");
600 printf("\t--shading-smooth: enable smooth shading\n");
601 printf("\t--disable-skyblend: disable sky blending\n");
602 printf("\t--enable-skyblend: enable sky blending\n");
603 printf("\t--disable-textures: disable textures\n");
604 printf("\t--enable-textures: enable textures\n");
605 printf("\t--disable-wireframe: disable wireframe drawing mode\n");
606 printf("\t--enable-wireframe: enable wireframe drawing mode\n");
607 printf("\t--geometry=WWWxHHH: window geometry: 640x480, 800x600, etc.\n");
610 printf("Scenery Options:\n");
611 printf("\t--tile-radius=n: specify tile radius, must be 1 - 4\n");
614 printf("Hud Options:\n");
615 printf("\t--units-feet: Hud displays units in feet\n");
616 printf("\t--units-meters: Hud displays units in meters\n");
617 printf("\t--hud-tris: Hud displays number of triangles rendered\n");
618 printf("\t--hud-culled: Hud displays percentage of triangles culled\n");
621 printf("Time Options:\n");
622 printf("\t--time-offset=[+-]hh:mm:ss: offset local time by this amount\n");
627 fgOPTIONS::~fgOPTIONS( void ) {
632 // Revision 1.38 1999/02/01 21:33:35 curt
633 // Renamed FlightGear/Simulator/Flight to FlightGear/Simulator/FDM since
634 // Jon accepted my offer to do this and thought it was a good idea.
636 // Revision 1.37 1999/01/19 20:57:05 curt
637 // MacOS portability changes contributed by "Robert Puyol" <puyol@abvent.fr>
639 // Revision 1.36 1999/01/07 20:25:10 curt
640 // Updated struct fgGENERAL to class FGGeneral.
642 // Revision 1.35 1998/12/06 14:52:57 curt
643 // Fixed a problem with the initial starting altitude. "v->abs_view_pos" wasn't
644 // being calculated correctly at the beginning causing the first terrain
645 // intersection to fail, returning a ground altitude of zero, causing the plane
646 // to free fall for one frame, until the ground altitude was corrected, but now
647 // being under the ground we got a big bounce and the plane always ended up
650 // Revision 1.34 1998/12/05 15:54:22 curt
651 // Renamed class fgFLIGHT to class FGState as per request by JSB.
653 // Revision 1.33 1998/12/04 01:30:44 curt
654 // Added support for the External flight model.
656 // Revision 1.32 1998/11/25 01:34:00 curt
657 // Support for an arbitrary number of serial ports.
659 // Revision 1.31 1998/11/23 21:49:04 curt
660 // Borland portability tweaks.
662 // Revision 1.30 1998/11/16 14:00:02 curt
663 // Added pow() macro bug work around.
664 // Added support for starting FGFS at various resolutions.
665 // Added some initial serial port support.
666 // Specify default log levels in main().
668 // Revision 1.29 1998/11/06 21:18:12 curt
669 // Converted to new logstream debugging facility. This allows release
670 // builds with no messages at all (and no performance impact) by using
671 // the -DFG_NDEBUG flag.
673 // Revision 1.28 1998/11/06 14:47:03 curt
674 // Changes to track Bernie's updates to fgstream.
676 // Revision 1.27 1998/11/02 23:04:04 curt
677 // HUD units now display in feet by default with meters being a command line
680 // Revision 1.26 1998/10/17 01:34:24 curt
683 // Revision 1.25 1998/09/15 02:09:27 curt
684 // Include/fg_callback.hxx
685 // Moved code inline to stop g++ 2.7 from complaining.
687 // Simulator/Time/event.[ch]xx
688 // Changed return type of fgEVENT::printStat(). void caused g++ 2.7 to
689 // complain bitterly.
691 // Minor bugfix and changes.
693 // Simulator/Main/GLUTmain.cxx
694 // Added missing type to idle_state definition - eliminates a warning.
696 // Simulator/Main/fg_init.cxx
697 // Changes to airport lookup.
699 // Simulator/Main/options.cxx
700 // Uses fg_gzifstream when loading config file.
702 // Revision 1.24 1998/09/08 15:04:33 curt
703 // Optimizations by Norman Vine.
705 // Revision 1.23 1998/08/27 17:02:07 curt
706 // Contributions from Bernie Bright <bbright@c031.aone.net.au>
707 // - use strings for fg_root and airport_id and added methods to return
709 // - inlined all access methods,
710 // - made the parsing functions private methods,
711 // - deleted some unused functions.
712 // - propogated some of these changes out a bit further.
714 // Revision 1.22 1998/08/24 20:11:13 curt
715 // Added i/I to toggle full vs. minimal HUD.
716 // Added a --hud-tris vs --hud-culled option.
717 // Moved options accessor funtions to options.hxx.
719 // Revision 1.21 1998/08/20 15:10:34 curt
720 // Added GameGLUT support.
722 // Revision 1.20 1998/07/30 23:48:28 curt
723 // Output position & orientation when pausing.
724 // Eliminated libtool use.
725 // Added options to specify initial position and orientation.
726 // Changed default fov to 55 degrees.
727 // Added command line option to start in paused or unpaused state.
729 // Revision 1.19 1998/07/27 18:41:25 curt
730 // Added a pause command "p"
731 // Fixed some initialization order problems between pui and glut.
732 // Added an --enable/disable-sound option.
734 // Revision 1.18 1998/07/22 01:27:03 curt
735 // Strip out \r when parsing config file in case we are on a windoze system.
737 // Revision 1.17 1998/07/16 17:33:38 curt
738 // "H" / "h" now control hud brightness as well with off being one of the
740 // Better checking for xmesa/fx 3dfx fullscreen/window support for deciding
741 // whether or not to build in the feature.
742 // Translucent menu support.
743 // HAVE_AUDIO_SUPPORT -> ENABLE_AUDIO_SUPPORT
744 // Use fork() / wait() for playing mp3 init music in background under unix.
745 // Changed default tile diameter to 5.
747 // Revision 1.16 1998/07/13 21:01:39 curt
748 // Wrote access functions for current fgOPTIONS.
750 // Revision 1.15 1998/07/06 21:34:19 curt
751 // Added an enable/disable splash screen option.
752 // Added an enable/disable intro music option.
753 // Added an enable/disable instrument panel option.
754 // Added an enable/disable mouse pointer option.
755 // Added using namespace std for compilers that support this.
757 // Revision 1.14 1998/07/04 00:52:26 curt
758 // Add my own version of gluLookAt() (which is nearly identical to the
759 // Mesa/glu version.) But, by calculating the Model View matrix our selves
760 // we can save this matrix without having to read it back in from the video
761 // card. This hopefully allows us to save a few cpu cycles when rendering
762 // out the fragments because we can just use glLoadMatrixd() with the
763 // precalculated matrix for each tile rather than doing a push(), translate(),
764 // pop() for every fragment.
766 // Panel status defaults to off for now until it gets a bit more developed.
768 // Extract OpenGL driver info on initialization.
770 // Revision 1.13 1998/06/27 16:54:34 curt
771 // Replaced "extern displayInstruments" with a entry in fgOPTIONS.
772 // Don't change the view port when displaying the panel.
774 // Revision 1.12 1998/06/17 21:35:13 curt
775 // Refined conditional audio support compilation.
776 // Moved texture parameter setup calls to ../Scenery/materials.cxx
777 // #include <string.h> before various STL includes.
778 // Make HUD default state be enabled.
780 // Revision 1.11 1998/06/13 00:40:33 curt
781 // Tweaked fog command line options.
783 // Revision 1.10 1998/05/16 13:08:36 curt
784 // C++ - ified views.[ch]xx
785 // Shuffled some additional view parameters into the fgVIEW class.
786 // Changed tile-radius to tile-diameter because it is a much better
788 // Added a WORLD_TO_EYE transformation to views.cxx. This allows us
789 // to transform world space to eye space for view frustum culling.
791 // Revision 1.9 1998/05/13 18:29:59 curt
792 // Added a keyboard binding to dynamically adjust field of view.
793 // Added a command line option to specify fov.
794 // Adjusted terrain color.
795 // Root path info moved to fgOPTIONS.
796 // Added ability to parse options out of a config file.
798 // Revision 1.8 1998/05/07 23:14:16 curt
799 // Added "D" key binding to set autopilot heading.
800 // Made frame rate calculation average out over last 10 frames.
801 // Borland C++ floating point exception workaround.
802 // Added a --tile-radius=n option.
804 // Revision 1.7 1998/05/06 03:16:25 curt
805 // Added an averaged global frame rate counter.
806 // Added an option to control tile radius.
808 // Revision 1.6 1998/05/03 00:47:32 curt
809 // Added an option to enable/disable full-screen mode.
811 // Revision 1.5 1998/04/30 12:34:19 curt
812 // Added command line rendering options:
813 // enable/disable fog/haze
814 // specify smooth/flat shading
815 // disable sky blending and just use a solid color
816 // enable wireframe drawing mode
818 // Revision 1.4 1998/04/28 01:20:22 curt
819 // Type-ified fgTIME and fgVIEW.
820 // Added a command line option to disable textures.
822 // Revision 1.3 1998/04/26 05:01:19 curt
823 // Added an rint() / HAVE_RINT check.
825 // Revision 1.2 1998/04/25 15:11:12 curt
826 // Added an command line option to set starting position based on airport ID.
828 // Revision 1.1 1998/04/24 00:49:21 curt
829 // Wrapped "#include <config.h>" in "#ifdef HAVE_CONFIG_H"
830 // Trying out some different option parsing code.
831 // Some code reorganization.