WebSVN – Games.Chess Giants – Blame – //engine-crafty/option.c

Rev	Author	Line No.	Line
33	pmbaty	1	#include <ctype.h>
		2	#include <signal.h>
		3	#include "chess.h"
		4	#include "data.h"
		5	#if defined(UNIX)
		6	# include <unistd.h>
		7	# include <signal.h>
		8	#endif
		9	#include "epdglue.h"
		10	/* last modified 02/26/14 */
		11	/*
		12	*******************************************************************************
		13	* *
		14	* Option() is used to handle user input necessary to control/customize the *
		15	* program. It performs all functions excepting chess move input which is *
		16	* handled by main(). *
		17	* *
		18	*******************************************************************************
		19	*/
		20	int Option(TREE * RESTRICT tree) {
		21	/*
		22	************************************************************
		23	* *
		24	* parse the input. If it looks like a FEN string, don't *
		25	* parse using "/" as a separator, otherwise do. *
		26	* *
		27	************************************************************
		28	*/
		29	if (StrCnt(buffer, '/') >= 7)
		30	nargs = ReadParse(buffer, args, " \t;=");
		31	else
		32	nargs = ReadParse(buffer, args, " \t;=/");
		33	if (!nargs)
		34	return 1;
		35	if (args[0][0] == '#')
		36	return 1;
		37	/*
		38	************************************************************
		39	* *
		40	* EPD implementation interface code. EPD commands can *
		41	* not be handled if the program is actually searching in *
		42	* a real game, and if Crafty is "pondering" this has to *
		43	* be stopped. *
		44	* *
		45	************************************************************
		46	*/
		47	#if defined(EPD)
		48	if (initialized) {
		49	if (EGCommandCheck(buffer)) {
		50	if (thinking \|\| pondering)
		51	return 2;
		52	else {
		53	(void) EGCommand(buffer);
		54	return 1;
		55	}
		56	}
		57	}
		58	#endif
		59	/*
		60	************************************************************
		61	* *
		62	* "!" character is a 'shell escape' that passes the rest *
		63	* of the command to a shell for execution. Note that it *
		64	* is ignored if in xboard mode because one could use your *
		65	* zippy2password to execute commands on your local *
		66	* machine, probably something that is not wanted. *
		67	* *
		68	************************************************************
		69	*/
		70	if (buffer[0] == '!') {
		71	if (!xboard)
		72	system(strchr(buffer, '!') + 1);
		73	}
		74	/*
		75	************************************************************
		76	* *
		77	* "." ignores "." if it happens to get to this point, if *
		78	* xboard is running. *
		79	* *
		80	************************************************************
		81	*/
		82	else if (OptionMatch(".", *args)) {
		83	if (xboard) {
		84	printf("stat01: 0 0 0 0 0\n");
		85	fflush(stdout);
		86	return 1;
		87	} else
		88	return 0;
		89	}
		90	/*
		91	************************************************************
		92	* *
		93	* "accepted" handles the new xboard protocol version 2 *
		94	* accepted command. *
		95	* *
		96	************************************************************
		97	*/
		98	else if (OptionMatch("accepted", *args)) {
		99	}
		100	/*
		101	************************************************************
		102	* *
		103	* "adaptive" sets the new adaptive hash algorithm *
		104	* parameters. It requires five parameters. The first is *
		105	* an estimated NPS, the second is the minimum hash size, *
		106	* and the third is the maximum hash size. The adaptive *
		107	* algorithm will look at the time control, and try to *
		108	* adjust the hash sizes to an optimal value without *
		109	* dropping below the minimum or exceeding the maximum *
		110	* memory size given. The min/max sizes can be given *
		111	* using the same syntax as the hash= command, ie xxx, *
		112	* xxxK or xxxM will all work. The fourth and fifth *
		113	* parameters are used to limit hashp in the same way. *
		114	* *
		115	************************************************************
		116	*/
		117	else if (OptionMatch("adaptive", *args)) {
		118	if (nargs != 6) {
		119	printf("usage: adaptive NPS hmin hmax pmin pmax\n");
		120	return 1;
		121	}
		122	if (nargs > 1) {
		123	adaptive_hash = (int) atoiKM(args[1]); // Pierre-Marie Baty -- added type cast
		124	adaptive_hash_min = (size_t) atoiKM(args[2]); // Pierre-Marie Baty -- added type cast
		125	adaptive_hash_max = (size_t) atoiKM(args[3]); // Pierre-Marie Baty -- added type cast
		126	adaptive_hashp_min = (size_t) atoiKM(args[4]); // Pierre-Marie Baty -- added type cast
		127	adaptive_hashp_max = (size_t) atoiKM(args[5]); // Pierre-Marie Baty -- added type cast
		128	}
		129	Print(128, "adaptive estimated NPS = %s\n", PrintKM(adaptive_hash, 1));
		130	Print(128, "adaptive minimum hsize = %s\n", PrintKM(adaptive_hash_min,
		131	1));
		132	Print(128, "adaptive maximum hsize = %s\n", PrintKM(adaptive_hash_max,
		133	1));
		134	Print(128, "adaptive minimum psize = %s\n", PrintKM(adaptive_hashp_min,
		135	1));
		136	Print(128, "adaptive maximum psize = %s\n", PrintKM(adaptive_hashp_max,
		137	1));
		138	}
		139	/*
		140	************************************************************
		141	* *
		142	* "alarm" command turns audible move warning on/off. *
		143	* *
		144	************************************************************
		145	*/
		146	else if (OptionMatch("alarm", *args)) {
		147	if (!strcmp(args[1], "on"))
		148	audible_alarm = 0x07;
		149	else if (!strcmp(args[1], "off"))
		150	audible_alarm = 0x00;
		151	else
		152	printf("usage: alarm on\|off\n");
		153	}
		154	/*
		155	************************************************************
		156	* *
		157	* "analyze" puts Crafty in analyze mode, where it reads *
		158	* moves in and between moves, computes as though it is *
		159	* trying to find the best move to make. When another *
		160	* move is entered, it switches sides and continues. It *
		161	* will never make a move on its own, rather, it will *
		162	* continue to analyze until an "exit" command is given. *
		163	* *
		164	************************************************************
		165	*/
		166	else if (OptionMatch("analyze", *args)) {
		167	if (thinking \|\| pondering)
		168	return 2;
		169	Analyze();
		170	}
		171	/*
		172	************************************************************
		173	* *
		174	* "annotate" command is used to read a series of moves *
		175	* and analyze the resulting game, producing comments as *
		176	* requested by the user. This also handles the annotateh *
		177	* (html) and annotatet (LaTex) output forms of the *
		178	* command. *
		179	* *
		180	************************************************************
		181	*/
		182	else if (OptionMatch("annotate", args) \|\| OptionMatch("annotateh", args)
		183	\|\| OptionMatch("annotatet", *args)) {
		184	if (thinking \|\| pondering)
		185	return 2;
		186	Annotate();
		187	}
		188	/*
		189	************************************************************
		190	* *
		191	* "batch" command disables asynchronous I/O so that a *
		192	* stream of commands can be put into a file and they are *
		193	* not executed instantly. *
		194	* *
		195	************************************************************
		196	*/
		197	else if (OptionMatch("batch", *args)) {
		198	if (!strcmp(args[1], "on"))
		199	batch_mode = 1;
		200	else if (!strcmp(args[1], "off"))
		201	batch_mode = 0;
		202	else
		203	printf("usage: batch on\|off\n");
		204	}
		205	/*
		206	************************************************************
		207	* *
		208	* "beep" command is ignored. [xboard compatibility] *
		209	* *
		210	************************************************************
		211	*/
		212	else if (OptionMatch("beep", *args)) {
		213	return xboard;
		214	}
		215	/*
		216	************************************************************
		217	* *
		218	* "bench" runs internal performance benchmark *
		219	* *
		220	************************************************************
		221	*/
		222	else if (OptionMatch("bench", *args)) {
		223	Bench(0);
		224	} else if (OptionMatch("bench1", args) \|\| OptionMatch("bench-1", args)) {
		225	Bench(-1);
		226	} else if (OptionMatch("bench2", args) \|\| OptionMatch("bench-2", args)) {
		227	Bench(-2);
		228	} else if (OptionMatch("bench3", args) \|\| OptionMatch("bench-3", args)) {
		229	Bench(-3);
		230	} else if (OptionMatch("bench+1", *args)) {
		231	Bench(1);
		232	} else if (OptionMatch("bench+2", *args)) {
		233	Bench(2);
		234	} else if (OptionMatch("bench+3", *args)) {
		235	Bench(3);
		236	}
		237	/*
		238	************************************************************
		239	* *
		240	* "bk" book command from xboard sends the suggested book *
		241	* moves. *
		242	* *
		243	************************************************************
		244	*/
		245	else if (OptionMatch("bk", *args)) {
		246	printf("\t%s\n\n", book_hint);
		247	fflush(stdout);
		248	return xboard;
		249	}
		250	/*
		251	************************************************************
		252	* *
		253	* "black" command sets black to move (Flip(wtm)). *
		254	* *
		255	************************************************************
		256	*/
		257	else if (!strcmp("white", *args)) {
		258	if (thinking \|\| pondering)
		259	return 2;
		260	ponder_move = 0;
		261	last_pv.pathd = 0;
		262	last_pv.pathl = 0;
		263	if (!game_wtm)
		264	Pass();
		265	force = 0;
		266	} else if (!strcmp("black", *args)) {
		267	if (thinking \|\| pondering)
		268	return 2;
		269	ponder_move = 0;
		270	last_pv.pathd = 0;
		271	last_pv.pathl = 0;
		272	if (game_wtm)
		273	Pass();
		274	force = 0;
		275	}
		276	/*
		277	************************************************************
		278	* *
		279	* "bogus" command is ignored. [xboard compatibility] *
		280	* *
		281	************************************************************
		282	*/
		283	else if (OptionMatch("bogus", *args)) {
		284	return xboard;
		285	}
		286	/*
		287	************************************************************
		288	* *
		289	* "bookw" command updates the book selection weights. *
		290	* *
		291	************************************************************
		292	*/
		293	else if (!strcmp("bookw", *args)) {
		294	if (nargs > 1) {
		295	if (!strcmp("freq", args[1]))
		296	book_weight_freq = (float) atof(args[2]); // Pierre-Marie Baty -- added type cast
		297	else if (!strcmp("eval", args[1]))
		298	book_weight_eval = (float) atof(args[2]); // Pierre-Marie Baty -- added type cast
		299	else if (!strcmp("learn", args[1]))
		300	book_weight_learn = (float) atof(args[2]); // Pierre-Marie Baty -- added type cast
		301	} else {
		302	Print(128, "frequency (freq)..............%4.2f\n", book_weight_freq);
		303	Print(128, "static evaluation (eval)......%4.2f\n", book_weight_eval);
		304	Print(128, "learning (learn)..............%4.2f\n", book_weight_learn);
		305	}
		306	}
		307	/*
		308	************************************************************
		309	* *
		310	* "book" command updates/creates the opening book file. *
		311	* *
		312	************************************************************
		313	*/
		314	else if (!strcmp("book", *args)) {
		315	nargs = ReadParse(buffer, args, " \t;");
		316	BookUp(tree, nargs, args);
		317	} else if (!strcmp("create", *(args + 1))) {
		318	nargs = ReadParse(buffer, args, " \t;");
		319	BookUp(tree, nargs, args);
		320	}
		321	/*
		322	************************************************************
		323	* *
		324	* "cache" is used to set the EGTB cache size. As always *
		325	* bigger is better. The default is 1mb. Sizes can be *
		326	* specified in bytes, Kbytes or Mbytes as with the hash *
		327	* commands. *
		328	* *
		329	************************************************************
		330	*/
		331	#if !defined(NOEGTB)
		332	else if (OptionMatch("cache", *args)) {
		333	EGTB_cache_size = (size_t) atoiKM(args[1]); // Pierre-Marie Baty -- added type cast
		334	if (EGTB_cache)
		335	free(EGTB_cache);
		336	EGTB_cache = malloc(EGTB_cache_size);
		337	if (!EGTB_cache) {
		338	Print(2095,
		339	"ERROR: unable to malloc specified cache size, using default\n");
		340	EGTB_cache = malloc(4096 * 4096);
		341	}
		342	Print(128, "EGTB cache memory = %s bytes.\n", PrintKM(EGTB_cache_size,
		343	1));
		344	FTbSetCacheSize(EGTB_cache, EGTB_cache_size);
		345	}
		346	#endif
		347	/*
		348	************************************************************
		349	* *
		350	* "clock" command displays chess clock. *
		351	* *
		352	************************************************************
		353	*/
		354	else if (OptionMatch("clock", *args)) {
		355	int side;
		356
		357	for (side = white; side >= black; side--) {
		358	Print(128, "time remaining (%s): %s", (side) ? "white" : "black",
		359	DisplayHHMMSS(tc_time_remaining[side]));
		360	if (tc_sudden_death != 1)
		361	Print(128, " (%d more moves)", tc_moves_remaining[side]);
		362	printf("\n");
		363	}
		364	Print(128, "\n");
		365	if (tc_sudden_death == 1)
		366	Print(128, "Sudden-death time control in effect\n");
		367	}
		368	/*
		369	************************************************************
		370	* *
		371	* "computer" lets Crafty know it is playing a computer. *
		372	* *
		373	************************************************************
		374	*/
		375	else if (OptionMatch("computer", *args)) {
		376	Print(128, "playing a computer!\n");
		377	accept_draws = 1;
		378	resign = 10;
		379	resign_counter = 4;
		380	usage_level = 0;
		381	books_file = (computer_bs_file) ? computer_bs_file : normal_bs_file;
		382	}
		383	/*
		384	************************************************************
		385	* *
		386	* "display" command displays the chess board. *
		387	* *
		388	* "display" command sets specific display options which *
		389	* control how "chatty" the program is. In the variable *
		390	* display_options, the following bits are set/cleared *
		391	* based on the option chosen. *
		392	* *
		393	* 1 -> display time for moves. *
		394	* 2 -> display variation when it changes. *
		395	* 4 -> display variation at end of iteration. *
		396	* 8 -> display basic search statistics. *
		397	* 16 -> display extended search statistics. *
		398	* 32 -> display root moves as they are searched. *
		399	* 64 -> display move numbers in the PV output. *
		400	* 128 -> display general informational messages. *
		401	* 256 -> display ply-1 move list / flags after each *
		402	* iteration. *
		403	* 512 -> display ply-1 moves and positional evaluations *
		404	* *
		405	************************************************************
		406	*/
		407	else if (OptionMatch("display", *args)) {
		408	if (nargs > 1)
		409	do {
		410	if (OptionMatch("time", args[1])) {
		411	display_options \|= 1;
		412	Print(128, "display time for moves played in game.\n");
		413	} else if (OptionMatch("notime", args[1])) {
		414	display_options &= 4095 - 1;
		415	Print(128, "don't display time for moves played in game.\n");
		416	} else if (OptionMatch("changes", args[1])) {
		417	display_options \|= 2;
		418	Print(128, "display PV each time it changes.\n");
		419	} else if (OptionMatch("nochanges", args[1])) {
		420	display_options &= 4095 - 2;
		421	Print(128, "don't display PV each time it changes.\n");
		422	} else if (OptionMatch("variation", args[1])) {
		423	display_options \|= 4;
		424	Print(128, "display PV at end of each iteration.\n");
		425	} else if (OptionMatch("novariation", args[1])) {
		426	display_options &= 4095 - 4;
		427	Print(128, "don't display PV at end of each iteration.\n");
		428	} else if (OptionMatch("stats", args[1])) {
		429	display_options \|= 8;
		430	Print(128, "display statistics at end of each search.\n");
		431	} else if (OptionMatch("nostats", args[1])) {
		432	display_options &= 4095 - 8;
		433	Print(128, "don't display statistics at end of each search.\n");
		434	} else if (OptionMatch("extstats", args[1])) {
		435	display_options \|= 16;
		436	Print(128, "display extended statistics at end of each search.\n");
		437	} else if (OptionMatch("noextstats", args[1])) {
		438	display_options &= 4095 - 16;
		439	Print(128,
		440	"don't display extended statistics at end of each search.\n");
		441	} else if (OptionMatch("movenum", args[1])) {
		442	display_options \|= 64;
		443	Print(128, "display move numbers in variations.\n");
		444	} else if (OptionMatch("nomovenum", args[1])) {
		445	display_options &= 4095 - 64;
		446	Print(128, "don't display move numbers in variations.\n");
		447	} else if (OptionMatch("moves", args[1])) {
		448	display_options \|= 32;
		449	Print(128, "display ply-1 moves as they are searched.\n");
		450	} else if (OptionMatch("nomoves", args[1])) {
		451	display_options &= 4095 - 32;
		452	Print(128, "don't display ply-1 moves as they are searched.\n");
		453	} else if (OptionMatch("general", args[1])) {
		454	display_options \|= 128;
		455	Print(128, "display informational messages.\n");
		456	} else if (OptionMatch("nogeneral", args[1])) {
		457	display_options &= 4095 - 128;
		458	Print(128, "don't display informational messages.\n");
		459	} else if (OptionMatch("movelist", args[1])) {
		460	display_options \|= 256;
		461	Print(128, "display ply-1 move list after each iteration.\n");
		462	} else if (OptionMatch("nomovelist", args[1])) {
		463	display_options &= 4095 - 256;
		464	Print(128, "don't display ply-1 move list after each iteration.\n");
		465	} else if (OptionMatch("ply1", args[1])) {
		466	display_options \|= 512;
		467	Print(128, "display ply-1 moves/evaluations.\n");
		468	} else if (OptionMatch("noply1", args[1])) {
		469	display_options &= 4095 - 512;
		470	Print(128, "don't display ply-1 moves/evaluations.\n");
		471	} else if (OptionMatch("everything", args[1])) {
		472	display_options = 4095;
		473	Print(128, "display everything (lots of output).\n");
		474	} else if (OptionMatch("nothing", args[1])) {
		475	display_options = 4095 - 1023;
		476	Print(128, "display nothing.\n");
		477	} else if (OptionMatch("*", args[1])) {
		478	if (display_options & 1)
		479	printf("display time for moves\n");
		480	if (display_options & 2)
		481	printf("display variation when it changes.\n");
		482	if (display_options & 4)
		483	printf("display variation at end of iteration.\n");
		484	if (display_options & 8)
		485	printf("display basic search stats.\n");
		486	if (display_options & 16)
		487	printf("display extended search stats.\n");
		488	if (display_options & 32)
		489	printf("display ply-1 moves as they are searched.\n");
		490	if (display_options & 64)
		491	printf("display move numbers in variations.\n");
		492	if (display_options & 128)
		493	printf("display general messages.\n");
		494	if (display_options & 256)
		495	printf("display ply-1 node counts every iteration.\n");
		496	if (display_options & 512)
		497	printf("display ply-1 moves and evaluations.\n");
		498	} else
		499	break;
		500	return 1;
		501	} while (0);
		502	else
		503	DisplayChessBoard(stdout, display);
		504	}
		505	/*
		506	************************************************************
		507	* *
		508	* "debug" handles the new debug command that is often *
		509	* modified to test some modified code function. *
		510	* *
		511	************************************************************
		512	*/
		513	else if (OptionMatch("debug", *args)) {
		514	Print(4095, "No debug code added to Option()\n");
		515	}
		516	/*
		517	************************************************************
		518	* *
		519	* "depth" command sets a specific search depth to *
		520	* control the tree search depth. [xboard compatibility]. *
		521	* *
		522	************************************************************
		523	*/
		524	else if (!strcmp("depth", *args)) {
		525	if (nargs < 2) {
		526	printf("usage: depth <n>\n");
		527	return 1;
		528	}
		529	search_depth = atoi(args[1]);
		530	Print(128, "search depth set to %d.\n", search_depth);
		531	}
		532	/*
		533	************************************************************
		534	* *
		535	* "draw" is used to offer Crafty a draw, or to control *
		536	* whether Crafty will offer and/or accept draw offers. *
		537	* *
		538	************************************************************
		539	*/
		540	else if (OptionMatch("draw", *args)) {
		541	if (nargs == 1) {
		542	draw_offer_pending = 1;
		543	if (draw_offered) {
		544	Print(4095, "1/2-1/2 {Draw agreed}\n");
		545	strcpy_s(pgn_result, sizeof (pgn_result), "1/2-1/2"); // Pierre-Marie Baty -- use safe version
		546	}
		547	} else {
		548	if (!strcmp(args[1], "accept")) {
		549	accept_draws = 1;
		550	Print(128, "accept draw offers\n");
		551	} else if (!strcmp(args[1], "decline")) {
		552	accept_draws = 0;
		553	Print(128, "decline draw offers\n");
		554	} else if (!strcmp(args[1], "offer")) {
		555	offer_draws = 1;
		556	Print(128, "offer draws\n");
		557	} else if (!strcmp(args[1], "nooffer")) {
		558	offer_draws = 0;
		559	Print(128, "do not offer draws\n");
		560	} else
		561	Print(128, "usage: draw accept\|decline\|offer\|nooffer\n");
		562	}
		563	}
		564	/*
		565	************************************************************
		566	* *
		567	* "easy" command disables thinking on opponent's time. *
		568	* *
		569	************************************************************
		570	*/
		571	else if (OptionMatch("easy", *args)) {
		572	if (thinking \|\| pondering)
		573	return 2;
		574	ponder = 0;
		575	Print(128, "pondering disabled.\n");
		576	}
		577	/*
		578	************************************************************
		579	* *
		580	* "echo" command displays messages from command file. *
		581	* *
		582	************************************************************
		583	*/
		584	else if (OptionMatch("echo", args) \|\| OptionMatch("title", args)) {
		585	}
		586	/*
		587	************************************************************
		588	* *
		589	* "edit" command modifies the board position. *
		590	* *
		591	************************************************************
		592	*/
		593	else if (OptionMatch("edit", args) && strcmp(args, "ed")) {
		594	if (thinking \|\| pondering)
		595	return 2;
		596	Edit();
		597	move_number = 1; /* discard history */
		598	if (!game_wtm) {
		599	game_wtm = 1;
		600	Pass();
		601	}
		602	ponder_move = 0;
		603	last_pv.pathd = 0;
		604	last_pv.pathl = 0;
		605	strcpy_s(buffer, sizeof (buffer), "savepos *"); // Pierre-Marie Baty -- use safe version
		606	(void) Option(tree);
		607	}
		608	/*
		609	************************************************************
		610	* *
		611	* "egtb" command enables/disables tablebases and sets *
		612	* the number of pieces available for probing. *
		613	* *
		614	************************************************************
		615	*/
		616	#if !defined(NOEGTB)
		617	else if (OptionMatch("egtb", *args)) {
		618	if (!EGTB_setup) {
		619	Print(128, "EGTB access enabled\n");
		620	Print(128, "using tbpath=%s\n", tb_path);
		621	EGTBlimit = IInitializeTb(tb_path);
		622	Print(128, "%d piece tablebase files found\n", EGTBlimit);
		623	if (0 != cbEGTBCompBytes)
		624	Print(128,
		625	"%dkb of RAM used for TB indices and decompression tables\n",
		626	(cbEGTBCompBytes + 1023) / 1024);
		627	if (EGTBlimit) {
		628	if (!EGTB_cache)
		629	EGTB_cache = malloc(EGTB_cache_size);
		630	if (!EGTB_cache) {
		631	Print(128, "ERROR EGTB cache malloc failed\n");
		632	EGTB_cache = malloc(4096 * 4096);
		633	} else
		634	FTbSetCacheSize(EGTB_cache, EGTB_cache_size);
		635	EGTB_setup = 1;
		636	}
		637	} else {
		638	if (nargs == 1)
		639	EGTBPV(tree, game_wtm);
		640	else if (nargs == 2)
		641	EGTBlimit = Min(atoi(args[1]), 5);
		642	}
		643	}
		644	#endif
		645	/*
		646	************************************************************
		647	* *
		648	* "end" (or "quit") command terminates the program. *
		649	* *
		650	************************************************************
		651	*/
		652	else if (OptionMatch("end", args) \|\| OptionMatch("quit", args)) {
		653	abort_search = 1;
		654	quit = 1;
		655	last_search_value =
		656	(crafty_is_white) ? last_search_value : -last_search_value;
		657	if (moves_out_of_book)
		658	LearnBook();
		659	if (thinking \|\| pondering)
		660	return 1;
		661	CraftyExit(0);
		662	}
		663	/*
		664	************************************************************
		665	* *
		666	* "evtest" command runs a test suite of problems and *
		667	* prints evaluations only. *
		668	* *
		669	************************************************************
		670	*/
		671	else if (OptionMatch("evtest", *args)) {
		672	if (thinking \|\| pondering)
		673	return 2;
		674	if (nargs < 2) {
		675	printf("usage: evtest <filename>\n");
		676	return 1;
		677	}
		678	EVTest(args[1]);
		679	ponder_move = 0;
		680	last_pv.pathd = 0;
		681	last_pv.pathl = 0;
		682	}
		683	/*
		684	************************************************************
		685	* *
		686	* "exit" command resets input device to STDIN. *
		687	* *
		688	************************************************************
		689	*/
		690	else if (OptionMatch("exit", *args)) {
		691	if (analyze_mode)
		692	return 0;
		693	if (input_stream != stdin)
		694	fclose(input_stream);
		695	input_stream = stdin;
		696	ReadClear();
		697	Print(128, "\n");
		698	}
		699	/*
		700	************************************************************
		701	* *
		702	* "flag" command controls whether Crafty will call the *
		703	* flag in xboard/winboard games (to end the game.) *
		704	* *
		705	************************************************************
		706	*/
		707	else if (!strcmp("flag", *args)) {
		708	if (nargs < 2) {
		709	printf("usage: flag on\|off\n");
		710	return 1;
		711	}
		712	if (!strcmp(args[1], "on"))
		713	call_flag = 1;
		714	else if (!strcmp(args[1], "off"))
		715	call_flag = 0;
		716	if (call_flag)
		717	Print(128, "end game on time forfeits\n");
		718	else
		719	Print(128, "ignore time forfeits\n");
		720	}
		721	/*
		722	************************************************************
		723	* *
		724	* "flip" command flips the board, interchanging each *
		725	* rank with the corresponding rank on the other half of *
		726	* the board, and also reverses the color of all pieces. *
		727	* *
		728	************************************************************
		729	*/
		730	else if (OptionMatch("flip", *args)) {
		731	int file, rank, piece, temp;
		732
		733	if (thinking \|\| pondering)
		734	return 2;
		735	for (rank = 0; rank < 4; rank++) {
		736	for (file = 0; file < 8; file++) {
		737	piece = -PcOnSq((rank << 3) + file);
		738	PcOnSq((rank << 3) + file) = -PcOnSq(((7 - rank) << 3) + file);
		739	PcOnSq(((7 - rank) << 3) + file) = piece;
		740	}
		741	}
		742	game_wtm = Flip(game_wtm);
		743	temp = Castle(0, white);
		744	Castle(0, white) = Castle(0, black);
		745	Castle(0, black) = temp;
		746	SetChessBitBoards(tree);
		747	#if defined(DEBUG)
		748	ValidatePosition(tree, 0, game_wtm, "Option().flip");
		749	#endif
		750	}
		751	/*
		752	************************************************************
		753	* *
		754	* "flop" command flops the board, interchanging each *
		755	* file with the corresponding file on the other half of *
		756	* the board. *
		757	* *
		758	************************************************************
		759	*/
		760	else if (OptionMatch("flop", *args)) {
		761	int file, rank, piece;
		762
		763	if (thinking \|\| pondering)
		764	return 2;
		765	for (rank = 0; rank < 8; rank++) {
		766	for (file = 0; file < 4; file++) {
		767	piece = PcOnSq((rank << 3) + file);
		768	PcOnSq((rank << 3) + file) = PcOnSq((rank << 3) + 7 - file);
		769	PcOnSq((rank << 3) + 7 - file) = piece;
		770	}
		771	}
		772	SetChessBitBoards(tree);
		773	#if defined(DEBUG)
		774	ValidatePosition(tree, 0, game_wtm, "Option().flop");
		775	#endif
		776	}
		777	/*
		778	************************************************************
		779	* *
		780	* "force" command forces the program to make a specific *
		781	* move instead of its last chosen move. *
		782	* *
		783	************************************************************
		784	*/
		785	else if (OptionMatch("force", *args)) {
		786	int move, movenum, save_move_number;
		787	char text[16];
		788
		789	if (thinking \|\| pondering)
		790	return 3;
		791	if (xboard) {
		792	force = 1;
		793	return 3;
		794	}
		795	if (nargs < 2) {
		796	printf("usage: force <move>\n");
		797	return 1;
		798	}
		799	ponder_move = 0;
		800	presult = 0;
		801	last_pv.pathd = 0;
		802	last_pv.pathl = 0;
		803	save_move_number = move_number;
		804	movenum = move_number;
		805	if (game_wtm)
		806	movenum--;
		807	strcpy_s(text, sizeof (text), args[1]); // Pierre-Marie Baty -- use safe version
		808	sprintf_s(buffer, sizeof (buffer), "reset %d", movenum); // Pierre-Marie Baty -- use safe version
		809	game_wtm = Flip(game_wtm);
		810	(void) Option(tree);
		811	move = InputMove(tree, text, 0, game_wtm, 0, 0);
		812	if (move) {
		813	if (input_stream != stdin)
		814	printf("%s\n", OutputMove(tree, move, 0, game_wtm));
		815	if (history_file) {
		816	fseek(history_file, ((movenum - 1) * 2 + 1 - game_wtm) * 10,
		817	SEEK_SET);
		818	fprintf(history_file, "%9s\n", OutputMove(tree, move, 0, game_wtm));
		819	}
		820	MakeMoveRoot(tree, move, game_wtm);
		821	last_pv.pathd = 0;
		822	last_pv.pathl = 0;
		823	} else if (input_stream == stdin)
		824	printf("illegal move.\n");
		825	game_wtm = Flip(game_wtm);
		826	move_number = save_move_number;
		827	strcpy_s(hint, sizeof (hint), "none"); // Pierre-Marie Baty -- use safe version
		828	}
		829	/*
		830	************************************************************
		831	* *
		832	* "go" command does nothing, except force main() to start *
		833	* a search. ("move" is an alias for go). *
		834	* *
		835	************************************************************
		836	*/
		837	else if (OptionMatch("go", args) \|\| OptionMatch("move", args)) {
		838	char temp[128];
		839
		840	if (thinking \|\| pondering)
		841	return 2;
		842	if (game_wtm) {
		843	if (strncmp(pgn_white, "Crafty", 6)) {
		844	strcpy_s(temp, sizeof (temp), pgn_white); // Pierre-Marie Baty -- use safe version
		845	strcpy_s(pgn_white, sizeof (pgn_white), pgn_black); // Pierre-Marie Baty -- use safe version
		846	strcpy_s(pgn_black, sizeof (pgn_black), temp); // Pierre-Marie Baty -- use safe version
		847	}
		848	} else {
		849	if (strncmp(pgn_black, "Crafty", 6)) {
		850	strcpy_s(temp, sizeof (temp), pgn_white); // Pierre-Marie Baty -- use safe version
		851	strcpy_s(pgn_white, sizeof (pgn_white), pgn_black); // Pierre-Marie Baty -- use safe version
		852	strcpy_s(pgn_black, sizeof (pgn_black), temp); // Pierre-Marie Baty -- use safe version
		853	}
		854	}
		855	force = 0;
		856	return -1;
		857	}
		858	/*
		859	************************************************************
		860	* *
		861	* "history" command displays game history (moves). *
		862	* *
		863	************************************************************
		864	*/
		865	else if (OptionMatch("history", *args)) {
		866	int i;
		867	char buffer[128];
		868
		869	if (history_file) {
		870	printf(" white black\n");
		871	for (i = 0; i < (move_number - 1) * 2 - game_wtm + 1; i++) {
		872	fseek(history_file, i * 10, SEEK_SET);
		873	fscanf(history_file, "%s", buffer);
		874	if (!(i % 2))
		875	printf("%3d", i / 2 + 1);
		876	printf(" %-10s", buffer);
		877	if (i % 2 == 1)
		878	printf("\n");
		879	}
		880	if (Flip(game_wtm))
		881	printf(" ...\n");
		882	}
		883	}
		884	/*
		885	************************************************************
		886	* *
		887	* "hard" command enables thinking on opponent's time. *
		888	* *
		889	************************************************************
		890	*/
		891	else if (OptionMatch("hard", *args)) {
		892	ponder = 1;
		893	Print(128, "pondering enabled.\n");
		894	}
		895	/*
		896	************************************************************
		897	* *
		898	* "hash" command controls the transposition table size. *
		899	* The size can be entered in one of three ways: *
		900	* *
		901	* hash=nnn where nnn is in bytes. *
		902	* hash=nnnK where nnn is in K bytes. *
		903	* hash=nnnM where nnn is in M bytes. *
		904	* *
		905	* the only restriction is that the hash table is computed *
		906	* as a perfect power of 2. Any value that is not a *
		907	* perfect power of 2 is rounded down so that it is, in *
		908	* order to avoid breaking the addressing scheme. *
		909	* *
		910	************************************************************
		911	*/
		912	else if (OptionMatch("hash", *args)) {
		913	size_t new_hash_size;
		914
		915	if (thinking \|\| pondering)
		916	return 2;
		917	if (nargs > 1) {
		918	allow_memory = 0;
		919	Print(4095, "Warning-- xboard 'memory' option disabled\n");
		920	new_hash_size = (size_t) atoiKM(args[1]); // Pierre-Marie Baty -- added type cast
		921	if (new_hash_size < 64 * 1024) {
		922	printf("ERROR. Minimum hash table size is 64K bytes.\n");
		923	return 1;
		924	}
		925	hash_table_size = ((1ull) << MSB(new_hash_size)) / sizeof(HASH_ENTRY);
		926	AlignedRemalloc((void **) &trans_ref, 64,
		927	sizeof(HASH_ENTRY) * hash_table_size);
		928	if (!trans_ref) {
		929	printf("AlignedRemalloc() failed, not enough memory.\n");
		930	exit(1);
		931	}
		932	hash_mask = ((1ull << (MSB((uint64_t) hash_table_size) - 2)) - 1) << 2;
		933	InitializeHashTables();
		934	}
		935	Print(128, "hash table memory = %s bytes",
		936	PrintKM(hash_table_size * sizeof(HASH_ENTRY), 1));
		937	Print(128, " (%s entries).\n", PrintKM(hash_table_size, 1));
		938	}
		939	/*
		940	************************************************************
		941	* *
		942	* "phash" command controls the path hash table size. The *
		943	* size can be entered in one of three ways: *
		944	* *
		945	* phash=nnn where nnn is in bytes. *
		946	* phash=nnnK where nnn is in K bytes. *
		947	* phash=nnnM where nnn is in M bytes. *
		948	* *
		949	* the only restriction is that the path hash table must *
		950	* have a perfect power of 2 entries. The value entered *
		951	* will be rounded down to meet that requirement. *
		952	* *
		953	************************************************************
		954	*/
		955	else if (OptionMatch("phash", *args)) {
		956	size_t new_hash_size;
		957	size_t i; // Pierre-Marie Baty -- fixed type
		958
		959	if (thinking \|\| pondering)
		960	return 2;
		961	if (nargs > 1) {
		962	new_hash_size = (size_t) atoiKM(args[1]); // Pierre-Marie Baty -- added type cast
		963	if (new_hash_size < 64 * 1024) {
		964	printf("ERROR. Minimum phash table size is 64K bytes.\n");
		965	return 1;
		966	}
		967	hash_path_size = ((1ull) << MSB(new_hash_size / sizeof(HPATH_ENTRY)));
		968	AlignedRemalloc((void **) &hash_path, 64,
		969	sizeof(HPATH_ENTRY) * hash_path_size);
		970	if (!hash_path) {
		971	printf("AlignedRemalloc() failed, not enough memory.\n");
		972	hash_path_size = 0;
		973	hash_path = 0;
		974	}
		975	hash_path_mask = (hash_path_size - 1) & ~15;
		976	for (i = 0; i < hash_path_size; i++)
		977	(hash_path + i)->hash_path_age = -99;
		978	}
		979	Print(128, "hash path table memory = %s bytes",
		980	PrintKM(hash_path_size * sizeof(HPATH_ENTRY), 1));
		981	Print(128, " (%s entries).\n", PrintKM(hash_path_size, 1));
		982	}
		983	/*
		984	************************************************************
		985	* *
		986	* "hashp" command controls the pawn hash table size. *
		987	* *
		988	************************************************************
		989	*/
		990	else if (OptionMatch("hashp", *args)) {
		991	size_t i; // Pierre-Marie Baty -- fixed type
		992	size_t new_hash_size;
		993
		994	if (thinking \|\| pondering)
		995	return 2;
		996	if (nargs > 1) {
		997	allow_memory = 0;
		998	Print(4095, "Warning-- xboard 'memory' option disabled\n");
		999	new_hash_size = (size_t) atoiKM(args[1]); // Pierre-Marie Baty -- added type cast
		1000	if (new_hash_size < 16 * 1024) {
		1001	printf("ERROR. Minimum pawn hash table size is 16K bytes.\n");
		1002	return 1;
		1003	}
		1004	pawn_hash_table_size =
		1005	(1ull << MSB(new_hash_size)) / sizeof(PAWN_HASH_ENTRY);
		1006	AlignedRemalloc((void **) &pawn_hash_table, 32,
		1007	sizeof(PAWN_HASH_ENTRY) * pawn_hash_table_size);
		1008	if (!pawn_hash_table) {
		1009	printf("AlignedRemalloc() failed, not enough memory.\n");
		1010	exit(1);
		1011	}
		1012	pawn_hash_mask = (1ull << MSB((uint64_t) pawn_hash_table_size)) - 1;
		1013	for (i = 0; i < pawn_hash_table_size; i++) {
		1014	(pawn_hash_table + i)->key = 0;
		1015	(pawn_hash_table + i)->score_mg = 0;
		1016	(pawn_hash_table + i)->score_eg = 0;
		1017	(pawn_hash_table + i)->defects_k[white] = 0;
		1018	(pawn_hash_table + i)->defects_q[white] = 0;
		1019	(pawn_hash_table + i)->defects_d[white] = 0;
		1020	(pawn_hash_table + i)->defects_e[white] = 0;
		1021	(pawn_hash_table + i)->all[white] = 0;
		1022	(pawn_hash_table + i)->passed[white] = 0;
		1023	(pawn_hash_table + i)->defects_k[black] = 0;
		1024	(pawn_hash_table + i)->defects_q[black] = 0;
		1025	(pawn_hash_table + i)->defects_d[black] = 0;
		1026	(pawn_hash_table + i)->defects_e[black] = 0;
		1027	(pawn_hash_table + i)->all[black] = 0;
		1028	(pawn_hash_table + i)->passed[black] = 0;
		1029	}
		1030	}
		1031	Print(128, "pawn hash table memory = %s bytes",
		1032	PrintKM(pawn_hash_table_size * sizeof(PAWN_HASH_ENTRY), 1));
		1033	Print(128, " (%s entries).\n", PrintKM(pawn_hash_table_size, 1));
		1034	}
		1035	/*
		1036	************************************************************
		1037	* *
		1038	* "help" command lists commands/options. *
		1039	* *
		1040	************************************************************
		1041	*/
		1042	else if (OptionMatch("help", *args)) {
		1043	FILE *helpfile;
		1044	char readstat = (char ) -1;
		1045	int lines = 0;
		1046
		1047	fopen_s (&helpfile, "crafty.hlp", "r"); // Pierre-Marie Baty -- use safe version
		1048	if (!helpfile) {
		1049	printf("ERROR. Unable to open \"crafty.hlp\" -- help unavailable\n");
		1050	return 1;
		1051	}
		1052	if (nargs > 1) {
		1053	while (1) {
		1054	readstat = fgets(buffer, 128, helpfile);
		1055	if (!readstat) {
		1056	printf("Sorry, no help available for \"%s\"\n", args[1]);
		1057	fclose(helpfile);
		1058	return 1;
		1059	}
		1060	if (buffer[0] == '<') {
		1061	if (strstr(buffer, args[1]))
		1062	break;
		1063	}
		1064	}
		1065	}
		1066	while (1) {
		1067	readstat = fgets(buffer, 128, helpfile);
		1068	if (!readstat)
		1069	break;
		1070	if (strchr(buffer, '\n'))
		1071	*strchr(buffer, '\n') = 0;
		1072	if (!strcmp(buffer, "<end>"))
		1073	break;
		1074	printf("%s\n", buffer);
		1075	lines++;
		1076	if (lines > 22) {
		1077	lines = 0;
		1078	printf("<return> for more...");
		1079	fflush(stdout);
		1080	(void) Read(1, buffer, sizeof (buffer));
		1081	}
		1082	}
		1083	fclose(helpfile);
		1084	}
		1085	/*
		1086	************************************************************
		1087	* *
		1088	* "hint" displays the expected move based on the last *
		1089	* search done. [xboard compatibility] *
		1090	* *
		1091	************************************************************
		1092	*/
		1093	else if (!strcmp("hint", *args)) {
		1094	if (strlen(hint)) {
		1095	printf("Hint: %s\n", hint);
		1096	fflush(stdout);
		1097	}
		1098	}
		1099	/*
		1100	************************************************************
		1101	* *
		1102	* "input" command directs the program to read input from *
		1103	* a file until eof is reached or an "exit" command is *
		1104	* encountered while reading the file. *
		1105	* *
		1106	************************************************************
		1107	*/
		1108	else if (OptionMatch("input", *args)) {
		1109	if (thinking \|\| pondering)
		1110	return 2;
		1111	nargs = ReadParse(buffer, args, " \t=");
		1112	if (nargs < 2) {
		1113	printf("usage: input <filename>\n");
		1114	return 1;
		1115	}
		1116	fopen_s(&input_stream, args[1], "r"); // Pierre-Marie Baty -- use safe version
		1117	if (!input_stream) {
		1118	printf("file does not exist.\n");
		1119	input_stream = stdin;
		1120	}
		1121	}
		1122	/*
		1123	************************************************************
		1124	* *
		1125	* "info" command gives some information about Crafty. *
		1126	* *
		1127	************************************************************
		1128	*/
		1129	else if (OptionMatch("info", *args)) {
		1130	Print(128, "Crafty version %s\n", version);
		1131	Print(128, "number of threads = %2d\n", smp_max_threads);
		1132	Print(128, "hash table memory = %5s\n",
		1133	PrintKM(hash_table_size * sizeof(HASH_ENTRY), 1));
		1134	Print(128, "pawn hash table memory = %5s\n",
		1135	PrintKM(pawn_hash_table_size * sizeof(PAWN_HASH_ENTRY), 1));
		1136	#if !defined(NOEGTB)
		1137	Print(128, "EGTB cache memory = %5s\n", PrintKM(EGTB_cache_size, 1));
		1138	#endif
		1139	if (!tc_sudden_death) {
		1140	Print(128, "%d moves/%d minutes %d seconds primary time control\n",
		1141	tc_moves, tc_time / 6000, (tc_time / 100) % 60);
		1142	Print(128, "%d moves/%d minutes %d seconds secondary time control\n",
		1143	tc_secondary_moves, tc_secondary_time / 6000,
		1144	(tc_secondary_time / 100) % 60);
		1145	if (tc_increment)
		1146	Print(128, "increment %d seconds.\n", tc_increment / 100);
		1147	} else if (tc_sudden_death == 1) {
		1148	Print(128, " game/%d minutes primary time control\n", tc_time / 6000);
		1149	if (tc_increment)
		1150	Print(128, "increment %d seconds.\n", (tc_increment / 100) % 60);
		1151	} else if (tc_sudden_death == 2) {
		1152	Print(128, "%d moves/%d minutes primary time control\n", tc_moves,
		1153	tc_time / 6000);
		1154	Print(128, "game/%d minutes secondary time control\n",
		1155	tc_secondary_time / 6000);
		1156	if (tc_increment)
		1157	Print(128, "increment %d seconds.\n", tc_increment / 100);
		1158	}
		1159	Print(128, "book frequency (freq)..............%4.2f\n",
		1160	book_weight_freq);
		1161	Print(128, "book static evaluation (eval)......%4.2f\n",
		1162	book_weight_eval);
		1163	Print(128, "book learning (learn)..............%4.2f\n",
		1164	book_weight_learn);
		1165	}
		1166	/*
		1167	************************************************************
		1168	* *
		1169	* "kibitz" command sets kibitz mode for ICS. =1 will *
		1170	* kibitz mate announcements, =2 will kibitz scores and *
		1171	* other info, =3 will kibitz scores and PV, =4 adds the *
		1172	* list of book moves, =5 displays the PV after each *
		1173	* iteration completes, and =6 displays the PV each time *
		1174	* it changes in an iteration. *
		1175	* *
		1176	************************************************************
		1177	*/
		1178	else if (OptionMatch("kibitz", *args)) {
		1179	if (nargs < 2) {
		1180	printf("usage: kibitz <level>\n");
		1181	return 1;
		1182	}
		1183	kibitz = atoi(args[1]);
		1184	}
		1185	/*
		1186	************************************************************
		1187	* *
		1188	* "learn" command enables/disables the learning *
		1189	* algorithm used in Crafty. this is controlled by a *
		1190	* single variable that is either 0 or 1 (disabled or *
		1191	* enabled). *
		1192	* *
		1193	* "learn clear" clears all learning data in the opening *
		1194	* book, returning it to a state identical to when the *
		1195	* book was originally created. *
		1196	* *
		1197	************************************************************
		1198	*/
		1199	else if (OptionMatch("learn", *args)) {
		1200	if (nargs == 2) {
		1201	if (OptionMatch("clear", *(args + 1))) {
		1202	int index[32768], i, j, cluster;
		1203	unsigned char buf32[4];
		1204
		1205	fseek(book_file, 0, SEEK_SET);
		1206	for (i = 0; i < 32768; i++) {
		1207	fread(buf32, 4, 1, book_file);
		1208	index[i] = BookIn32(buf32);
		1209	}
		1210	for (i = 0; i < 32768; i++)
		1211	if (index[i] > 0) {
		1212	fseek(book_file, index[i], SEEK_SET);
		1213	fread(buf32, 4, 1, book_file);
		1214	cluster = BookIn32(buf32);
		1215	BookClusterIn(book_file, cluster, book_buffer);
		1216	for (j = 0; j < cluster; j++)
		1217	book_buffer[j].learn = 0.0;
		1218	fseek(book_file, index[i] + sizeof(int), SEEK_SET);
		1219	BookClusterOut(book_file, cluster, book_buffer);
		1220	}
		1221	} else {
		1222	learning = atoi(args[1]);
		1223	learn = (learning > 0) ? 1 : 0;
		1224	if (learning)
		1225	Print(128, "book learning enabled {-%d,+%d}\n", learning, learning);
		1226	else
		1227	Print(128, "book learning disabled\n");
		1228	}
		1229	}
		1230	}
		1231	/*
		1232	************************************************************
		1233	* *
		1234	* "level" command sets time controls [xboard compati- *
		1235	* bility.] *
		1236	* *
		1237	************************************************************
		1238	*/
		1239	else if (OptionMatch("level", *args)) {
		1240	if (nargs < 4) {
		1241	printf("usage: level <nmoves> <stime> <inc>\n");
		1242	return 1;
		1243	}
		1244	tc_moves = atoi(args[1]);
		1245	tc_time = atoi(args[2]) * 60;
		1246	if (strchr(args[2], ':'))
		1247	tc_time = tc_time + atoi(strchr(args[2], ':') + 1);
		1248	tc_time *= 100;
		1249	tc_increment = atoi(args[3]) * 100;
		1250	tc_time_remaining[white] = tc_time;
		1251	tc_time_remaining[black] = tc_time;
		1252	if (!tc_moves) {
		1253	tc_sudden_death = 1;
		1254	tc_moves = 1000;
		1255	tc_moves_remaining[white] = 1000;
		1256	tc_moves_remaining[black] = 1000;
		1257	} else
		1258	tc_sudden_death = 0;
		1259	if (tc_moves) {
		1260	tc_secondary_moves = tc_moves;
		1261	tc_secondary_time = tc_time;
		1262	tc_moves_remaining[white] = tc_moves;
		1263	tc_moves_remaining[black] = tc_moves;
		1264	}
		1265	if (!tc_sudden_death) {
		1266	Print(128, "%d moves/%d seconds primary time control\n", tc_moves,
		1267	tc_time / 100);
		1268	Print(128, "%d moves/%d seconds secondary time control\n",
		1269	tc_secondary_moves, tc_secondary_time / 100);
		1270	if (tc_increment)
		1271	Print(128, "increment %d seconds.\n", tc_increment / 100);
		1272	} else if (tc_sudden_death == 1) {
		1273	Print(128, " game/%d seconds primary time control\n", tc_time / 100);
		1274	if (tc_increment)
		1275	Print(128, "increment %d seconds.\n", tc_increment / 100);
		1276	}
		1277	if (adaptive_hash) {
		1278	float percent;
		1279	int optimal_hash_size;
		1280	unsigned int positions_per_move; // Pierre-Marie Baty -- fixed type. No sense to make it uint64_t if optimal_hash_size is int.
		1281
		1282	TimeSet(think);
		1283	time_limit /= 100;
		1284	positions_per_move = time_limit * adaptive_hash / 16;
		1285	optimal_hash_size = positions_per_move * 16;
		1286	printf("optimal=%d\n", optimal_hash_size);
		1287	optimal_hash_size = Max(optimal_hash_size, (int) adaptive_hash_min); // Pierre-Marie Baty -- added type cast
		1288	optimal_hash_size = Min(optimal_hash_size, (int) adaptive_hash_max); // Pierre-Marie Baty -- added type cast
		1289	sprintf_s(buffer, sizeof (buffer), "hash=%d\n", optimal_hash_size); // Pierre-Marie Baty -- use safe version
		1290	(void) Option(tree);
		1291	percent =
		1292	(float) (optimal_hash_size -
		1293	adaptive_hash_min) / (float) (adaptive_hash_max -
		1294	adaptive_hash_min);
		1295	optimal_hash_size =
		1296	(int) (adaptive_hashp_min + percent * (adaptive_hashp_max -
		1297	adaptive_hashp_min)); // Pierre-Marie Baty -- added type cast
		1298	optimal_hash_size = Max(optimal_hash_size, (int) adaptive_hashp_min); // Pierre-Marie Baty -- added type cast
		1299	sprintf_s(buffer, sizeof (buffer), "hashp=%d\n", optimal_hash_size); // Pierre-Marie Baty -- use safe version
		1300	(void) Option(tree);
		1301	}
		1302	}
		1303	/*
		1304	************************************************************
		1305	* *
		1306	* "linelength" sets the default line length to something *
		1307	* other than 80, if desired. Setting this to a huge *
		1308	* number makes a PV print on one line for easier parsing *
		1309	* by automated scripts. *
		1310	* *
		1311	************************************************************
		1312	*/
		1313	else if (OptionMatch("linelength", *args)) {
		1314	if (nargs > 2) {
		1315	printf("usage: linelength <n>\n");
		1316	return 1;
		1317	}
		1318	if (nargs == 2)
		1319	line_length = atoi(args[1]);
		1320	printf("line length set to %d.\n", line_length);
		1321	}
		1322	/*
		1323	************************************************************
		1324	* *
		1325	* "list" command allows the operator to add or remove *
		1326	* names from the various lists Crafty uses to recognize *
		1327	* and adapt to particular opponents. *
		1328	* *
		1329	* list <listname> <player> *
		1330	* *
		1331	* <listname> is one of AK, B, C, GM, IM, SP. *
		1332	* *
		1333	* The final parameter is a name to add or remove. If *
		1334	* you prepend a + to the name, that asks that the name be *
		1335	* added to the list. If you prepend a - to the name, *
		1336	* that asks that the name be removed from the list. If *
		1337	* no name is given, the list is displayed. *
		1338	* *
		1339	* AK is the "auto-kibitz" list. Crafty will kibitz info *
		1340	* on a chess server when playing any opponent in this *
		1341	* list. This should only have computer names as humans *
		1342	* don't approve of kibitzes while they are playing. *
		1343	* *
		1344	* B identifies "blocker" players, those that try to *
		1345	* block the position and go for easy draws. This makes *
		1346	* Crafty try much harder to prevent this from happening, *
		1347	* even at the expense of positional compensation. *
		1348	* *
		1349	* GM and IM identify titled players. This affects how *
		1350	* and when Crafty resigns or offers/accepts draws. For *
		1351	* GM players it will do so fairly early after the right *
		1352	* circumstances have been seen, for IM it delays a bit *
		1353	* longer as they are more prone to making a small error *
		1354	* that avoids the loss or draw. *
		1355	* *
		1356	* SP is the "special player" option. This is an extended *
		1357	* version of the "list" command that allows you to *
		1358	* specify a special "start book" for a particular *
		1359	* opponent to make Crafty play specific openings against *
		1360	* that opponent, as well as allowing you to specify a *
		1361	* personality file to use against that specific opponent *
		1362	* when he is identified by the correct "name" command. *
		1363	* *
		1364	* For the SP list, the command is extended to use *
		1365	* *
		1366	* "list SP +player book=filename personality=filename" *
		1367	* *
		1368	* For the SP list, the files specified must exist in the *
		1369	* current directory unless the bookpath and perspath *
		1370	* commands direct Crafty to look elsewhere. *
		1371	* *
		1372	************************************************************
		1373	*/
		1374	else if (OptionMatch("list", *args)) {
		1375	int i, list, lastent = -1;
		1376	char **targs;
		1377	char listname[5][3] = { "AK", "B", "GM", "IM", "SP" };
		1378	char **listaddr[] = { AK_list, B_list, GM_list,
		1379	IM_list, SP_list
		1380	};
		1381	targs = args;
		1382	for (list = 0; list < 5; list++) {
		1383	if (!strcmp(listname[list], args[1]))
		1384	break;
		1385	}
		1386	if (list > 4) {
		1387	printf("usage: list AK\|B\|GM\|IM\|P\|SP +name1 -name2 etc\n");
		1388	return 1;
		1389	}
		1390	nargs -= 2;
		1391	targs += 2;
		1392	if (nargs) {
		1393	while (nargs) {
		1394	if (targs[0][0] == '-') {
		1395	for (i = 0; i < 128; i++)
		1396	if (listaddr[list][i]) {
		1397	if (!strcmp(listaddr[list][i], targs[0] + 1)) {
		1398	free(listaddr[list][i]);
		1399	listaddr[list][i] = NULL;
		1400	Print(128, "%s removed from %s list.\n", targs[0] + 1,
		1401	listname[list]);
		1402	break;
		1403	}
		1404	}
		1405	} else if (targs[0][0] == '+') {
		1406	for (i = 0; i < 128; i++)
		1407	if (listaddr[list][i]) {
		1408	if (!strcmp(listaddr[list][i], targs[0] + 1)) {
		1409	Print(128, "Warning: %s is already in %s list.\n",
		1410	targs[0] + 1, listname[list]);
		1411	break;
		1412	}
		1413	}
		1414	for (i = 0; i < 128; i++)
		1415	if (listaddr[list][i] == NULL)
		1416	break;
		1417	if (i >= 128)
		1418	Print(128, "ERROR! %s list is full at 128 entries\n",
		1419	listname[list]);
		1420	else {
		1421	listaddr[list][i] = malloc(strlen(targs[0]));
		1422	strcpy(listaddr[list][i], targs[0] + 1);
		1423	Print(128, "%s added to %s list.\n", targs[0] + 1,
		1424	listname[list]);
		1425	if (list == 5)
		1426	lastent = i;
		1427	}
		1428	} else if (!strcmp(targs[0], "clear")) {
		1429	for (i = 0; i < 128; i++) {
		1430	free(listaddr[list][i]);
		1431	listaddr[list][i] = NULL;
		1432	}
		1433	} else if (!strcmp(targs[0], "book") && lastent != -1) {
		1434	char filename[256];
		1435	FILE *file;
		1436
		1437	strcpy_s(filename, sizeof (filename), book_path); // Pierre-Marie Baty -- use safe version
		1438	strcat_s(filename, sizeof (filename), "/"); // Pierre-Marie Baty -- use safe version
		1439	strcat_s(filename, sizeof (filename), targs[1]); // Pierre-Marie Baty -- use safe version
		1440	if (!strstr(args[2], ".bin"))
		1441	strcat_s(filename, sizeof (filename), ".bin"); // Pierre-Marie Baty -- use safe version
		1442	fopen_s (&file, filename, "r"); // Pierre-Marie Baty -- use safe version
		1443	if (!file) {
		1444	Print(4095, "ERROR book file %s can not be opened\n", filename);
		1445	break;
		1446	}
		1447	fclose(file);
		1448	SP_opening_filename[lastent] = malloc(strlen(filename) + 1);
		1449	strcpy(SP_opening_filename[lastent], filename);
		1450	nargs--;
		1451	targs++;
		1452	} else if (!strcmp(targs[0], "personality") && lastent != -1) {
		1453	char filename[256];
		1454	FILE *file;
		1455
		1456	strcat(filename, targs[1]);
		1457	if (!strstr(args[2], ".cpf"))
		1458	strcat(filename, ".cpf");
		1459	file = fopen(filename, "r");
		1460	if (!file) {
		1461	Print(4095, "ERROR personality file %s can not be opened\n",
		1462	filename);
		1463	break;
		1464	}
		1465	fclose(file);
		1466	SP_personality_filename[lastent] = malloc(strlen(filename) + 1);
		1467	strcpy(SP_personality_filename[lastent], filename);
		1468	nargs--;
		1469	targs++;
		1470	} else
		1471	printf("error, name must be preceeded by +/- flag.\n");
		1472	nargs--;
		1473	targs++;
		1474	}
		1475	} else {
		1476	Print(128, "%s List:\n", listname[list]);
		1477	for (i = 0; i < 128; i++) {
		1478	if (listaddr[list][i]) {
		1479	Print(128, "%s", listaddr[list][i]);
		1480	if (list == 5) {
		1481	if (SP_opening_filename[i])
		1482	Print(128, " book=%s", SP_opening_filename[i]);
		1483	if (SP_personality_filename[i])
		1484	Print(128, " personality=%s", SP_personality_filename[i]);
		1485	}
		1486	Print(128, "\n");
		1487	}
		1488	}
		1489	}
		1490	}
		1491	/*
		1492	************************************************************
		1493	* *
		1494	* "load" command directs the program to read input from *
		1495	* a file until a "setboard" command is found this *
		1496	* command is then executed, setting up the position for *
		1497	* a search. *
		1498	* *
		1499	************************************************************
		1500	*/
		1501	else if (OptionMatch("load", *args)) {
		1502	char title[64];
		1503	char *readstat;
		1504	FILE *prob_file;
		1505
		1506	if (thinking \|\| pondering)
		1507	return 2;
		1508	nargs = ReadParse(buffer, args, " \t=");
		1509	if (nargs < 3) {
		1510	printf("usage: input <filename> title\n");
		1511	return 1;
		1512	}
		1513	if (!(prob_file = fopen(args[1], "r"))) {
		1514	printf("file does not exist.\n");
		1515	return 1;
		1516	}
		1517	strcpy_s(title, sizeof (title), args[2]); // Pierre-Marie Baty -- use safe version
		1518	while (!feof(prob_file)) {
		1519	readstat = fgets(buffer, 128, prob_file);
		1520	if (readstat) {
		1521	char *delim;
		1522
		1523	delim = strchr(buffer, '\n');
		1524	if (delim)
		1525	*delim = 0;
		1526	delim = strchr(buffer, '\r');
		1527	if (delim)
		1528	*delim = ' ';
		1529	}
		1530	if (readstat == NULL)
		1531	break;
		1532	nargs = ReadParse(buffer, args, " \t;\n");
		1533	if (!strcmp(args[0], "title") && strstr(buffer, title))
		1534	break;
		1535	}
		1536	while (!feof(prob_file)) {
		1537	readstat = fgets(buffer, 128, prob_file);
		1538	if (readstat) {
		1539	char *delim;
		1540
		1541	delim = strchr(buffer, '\n');
		1542	if (delim)
		1543	*delim = 0;
		1544	delim = strchr(buffer, '\r');
		1545	if (delim)
		1546	*delim = ' ';
		1547	}
		1548	if (readstat == NULL)
		1549	break;
		1550	nargs = ReadParse(buffer, args, " \t;\n");
		1551	if (!strcmp(args[0], "setboard")) {
		1552	(void) Option(tree);
		1553	break;
		1554	}
		1555	}
		1556	}
		1557	/*
		1558	************************************************************
		1559	* *
		1560	* "log" command turns log on/off, and also lets you view *
		1561	* the end of the log or copy it to disk as needed. To *
		1562	* view the end, simply type "log <n>" where n is the # *
		1563	* of lines you'd like to see (the last <n> lines). You *
		1564	* can add a filename to the end and the output will go *
		1565	* to this file instead. *
		1566	* *
		1567	************************************************************
		1568	*/
		1569	else if (OptionMatch("log", *args)) {
		1570	FILE *output_file;
		1571	char filename[64], buffer[128];
		1572
		1573	if (nargs < 2) {
		1574	printf("usage: log on\|off\|n [filename]\n");
		1575	return 1;
		1576	}
		1577	if (!strcmp(args[1], "on")) {
		1578	int id;
		1579
		1580	id = InitializeGetLogID();
		1581	sprintf_s(log_filename, sizeof (log_filename), "%s/log.%03d", log_path, id); // Pierre-Marie Baty -- use safe version
		1582	sprintf_s(history_filename, sizeof (history_filename), "%s/game.%03d", log_path, id); // Pierre-Marie Baty -- use safe version
		1583	fopen_s (&log_file, log_filename, "w"); // Pierre-Marie Baty -- use safe version
		1584	fopen_s (&history_file, history_filename, "w+"); // Pierre-Marie Baty -- use safe version
		1585	} else if (!strcmp(args[1], "off")) {
		1586	if (log_file)
		1587	fclose(log_file);
		1588	log_file = 0;
		1589	sprintf_s(filename, sizeof (filename), "%s/log.%03d", log_path, log_id - 1); // Pierre-Marie Baty -- use safe version
		1590	remove(filename);
		1591	sprintf_s(filename, sizeof (filename), "%s/game.%03d", log_path, log_id - 1); // Pierre-Marie Baty -- use safe version
		1592	remove(filename);
		1593	} else if (args[1][0] >= '0' && args[1][0] <= '9') {
		1594	if (log_id == 0)
		1595	log_id = atoi(args[1]);
		1596	} else {
		1597	int nrecs, trecs, lrecs;
		1598	char *eof;
		1599	FILE *log;
		1600
		1601	nrecs = atoi(args[1]);
		1602	output_file = stdout;
		1603	if (nargs > 2)
		1604	output_file = fopen(args[2], "w");
		1605	log = fopen(log_filename, "r");
		1606	for (trecs = 1; trecs < 99999999; trecs++) {
		1607	eof = fgets(buffer, 128, log);
		1608	if (eof) {
		1609	char *delim;
		1610
		1611	delim = strchr(buffer, '\n');
		1612	if (delim)
		1613	*delim = 0;
		1614	delim = strchr(buffer, '\r');
		1615	if (delim)
		1616	*delim = ' ';
		1617	} else
		1618	break;
		1619	}
		1620	fseek(log, 0, SEEK_SET);
		1621	for (lrecs = 1; lrecs < trecs - nrecs; lrecs++) {
		1622	eof = fgets(buffer, 128, log);
		1623	if (eof) {
		1624	char *delim;
		1625
		1626	delim = strchr(buffer, '\n');
		1627	if (delim)
		1628	*delim = 0;
		1629	delim = strchr(buffer, '\r');
		1630	if (delim)
		1631	*delim = ' ';
		1632	} else
		1633	break;
		1634	}
		1635	for (; lrecs < trecs; lrecs++) {
		1636	eof = fgets(buffer, 128, log);
		1637	if (eof) {
		1638	char *delim;
		1639
		1640	delim = strchr(buffer, '\n');
		1641	if (delim)
		1642	*delim = 0;
		1643	delim = strchr(buffer, '\r');
		1644	if (delim)
		1645	*delim = ' ';
		1646	} else
		1647	break;
		1648	fprintf(output_file, "%s\n", buffer);
		1649	}
		1650	if (output_file != stdout)
		1651	fclose(output_file);
		1652	}
		1653	}
		1654	/*
		1655	************************************************************
		1656	* *
		1657	* "memory" command is used to set the max memory to use *
		1658	* for hash and hashp combined. This is an xboard *
		1659	* compatibility command, not normally used by players. *
		1660	* *
		1661	************************************************************
		1662	*/
		1663	else if (OptionMatch("memory", *args)) {
		1664	uint64_t size;
		1665	size_t hmemory, pmemory;
		1666	if (nargs < 2) {
		1667	printf("usage: memory <size>\n");
		1668	return 1;
		1669	}
		1670	size = atoi(args[1]) * 1024 * 1024;
		1671	if (size == 0) {
		1672	Print(4095, "ERROR - memory size can not be zero\n");
		1673	return 1;
		1674	}
		1675	hmemory = (1ull) << MSB(size);
		1676	size &= ~hmemory;
		1677	pmemory = (1ull) << MSB(size);
		1678	if (pmemory < 1024 * 1024)
		1679	pmemory = 0;
		1680	sprintf_s(buffer, sizeof (buffer), "hash %" PRIu64 "\n", (uint64_t) hmemory); // Pierre-Marie Baty -- use safe version
		1681	(void) Option(tree);
		1682	if (pmemory) {
		1683	sprintf_s(buffer, sizeof (buffer), "hashp %" PRIu64 "\n", (uint64_t) pmemory); // Pierre-Marie Baty -- use safe version
		1684	(void) Option(tree);
		1685	}
		1686	}
		1687	/*
		1688	************************************************************
		1689	* *
		1690	* "mode" command sets tournament mode or normal mode. *
		1691	* Tournament mode is used when Crafty is in a "real" *
		1692	* tournament. It forces draw_score to 0, and makes *
		1693	* Crafty display the chess clock after each move. *
		1694	* *
		1695	************************************************************
		1696	*/
		1697	else if (OptionMatch("mode", *args)) {
		1698	if (nargs > 1) {
		1699	if (!strcmp(args[1], "tournament")) {
		1700	mode = tournament_mode;
		1701	printf("use 'settc' command if a game is restarted after Crafty\n");
		1702	printf("has been terminated for any reason.\n");
		1703	} else if (!strcmp(args[1], "normal")) {
		1704	mode = normal_mode;
		1705	book_weight_learn = 1.0;
		1706	book_weight_freq = 1.0;
		1707	book_weight_eval = 0.5;
		1708	} else if (!strcmp(args[1], "match")) {
		1709	mode = normal_mode;
		1710	book_weight_learn = 1.0f; // Pierre-Marie Baty -- added float suffix
		1711	book_weight_freq = 0.2f; // Pierre-Marie Baty -- added float suffix
		1712	book_weight_eval = 0.1f; // Pierre-Marie Baty -- added float suffix
		1713	} else {
		1714	printf("usage: mode normal\|tournament\|match\n");
		1715	mode = normal_mode;
		1716	book_weight_learn = 1.0f; // Pierre-Marie Baty -- added float suffix
		1717	book_weight_freq = 1.0f; // Pierre-Marie Baty -- added float suffix
		1718	book_weight_eval = 0.5f; // Pierre-Marie Baty -- added float suffix
		1719	}
		1720	}
		1721	if (mode == tournament_mode)
		1722	printf("tournament mode.\n");
		1723	else if (mode == normal_mode)
		1724	printf("normal mode.\n");
		1725	}
		1726	/*
		1727	************************************************************
		1728	* *
		1729	* "name" command saves opponents name and writes it into *
		1730	* logfile along with the date/time. It also scans the *
		1731	* list of known computers and adjusts its opening book *
		1732	* to play less "risky" if it matches. If the opponent *
		1733	* is in the GM list, it tunes the resignation controls *
		1734	* to resign earlier. Ditto for other lists that are *
		1735	* used to recognize specific opponents and adjust things *
		1736	* accordingly. *
		1737	* *
		1738	************************************************************
		1739	*/
		1740	else if (OptionMatch("name", *args)) {
		1741	int i;
		1742	char *next;
		1743
		1744	if (nargs < 2) {
		1745	printf("usage: name <name>\n");
		1746	return 1;
		1747	}
		1748	if (game_wtm) {
		1749	strcpy_s(pgn_white, sizeof (pgn_white), args[1]); // Pierre-Marie Baty -- use safe version
		1750	sprintf_s(pgn_black, sizeof (pgn_black), "Crafty %s", version);
		1751	} else {
		1752	strcpy_s(pgn_black, sizeof (pgn_black), args[1]); // Pierre-Marie Baty -- use safe version
		1753	sprintf_s(pgn_white, sizeof (pgn_white), "Crafty %s", version);
		1754	}
		1755	Print(128, "Crafty %s vs %s\n", version, args[1]);
		1756	next = args[1];
		1757	while (*next) {
		1758	next = tolower(next);
		1759	next++;
		1760	}
		1761	if (mode != tournament_mode) {
		1762	for (i = 0; i < 128; i++)
		1763	if (AK_list[i] && !strcmp(AK_list[i], args[1])) {
		1764	kibitz = 4;
		1765	break;
		1766	}
		1767	for (i = 0; i < 128; i++)
		1768	if (GM_list[i] && !strcmp(GM_list[i], args[1])) {
		1769	Print(128, "playing a GM!\n");
		1770	book_selection_width = 3;
		1771	resign = Min(6, resign);
		1772	resign_count = 4;
		1773	draw_count = 4;
		1774	accept_draws = 1;
		1775	kibitz = 0;
		1776	break;
		1777	}
		1778	for (i = 0; i < 128; i++)
		1779	if (IM_list[i] && !strcmp(IM_list[i], args[1])) {
		1780	Print(128, "playing an IM!\n");
		1781	book_selection_width = 4;
		1782	resign = Min(9, resign);
		1783	resign_count = 5;
		1784	draw_count = 4;
		1785	accept_draws = 1;
		1786	kibitz = 0;
		1787	break;
		1788	}
		1789	for (i = 0; i < 128; i++)
		1790	if (SP_list[i] && !strcmp(SP_list[i], args[1])) {
		1791	FILE *normal_bs_file = books_file;
		1792
		1793	Print(128, "playing a special player!\n");
		1794	if (SP_opening_filename[i]) {
		1795	books_file = fopen(SP_opening_filename[i], "rb");
		1796	if (!books_file) {
		1797	Print(4095, "Error! unable to open %s for player %s.\n",
		1798	SP_opening_filename[i], SP_list[i]);
		1799	books_file = normal_bs_file;
		1800	}
		1801	}
		1802	if (SP_personality_filename[i]) {
		1803	sprintf_s(buffer, sizeof (buffer), "personality load %s\n", // Pierre-Marie Baty -- use safe version
		1804	SP_personality_filename[i]);
		1805	(void) Option(tree);
		1806	}
		1807	break;
		1808	}
		1809	}
		1810	printf("tellicsnoalias kibitz Hello from Crafty v%s! (%d cpus)\n",
		1811	version, Max(1, smp_max_threads));
		1812	}
		1813	/*
		1814	************************************************************
		1815	* *
		1816	* "new" command initializes for a new game. *
		1817	* *
		1818	************************************************************
		1819	*/
		1820	else if (OptionMatch("new", *args)) {
		1821	new_game = 1;
		1822	if (thinking \|\| pondering)
		1823	return 3;
		1824	if (smp_max_threads) {
		1825	int proc;
		1826
		1827	Print(128, "parallel threads terminated.\n");
		1828	for (proc = 1; proc < CPUS; proc++)
		1829	thread[proc].tree = (TREE *) - 1;
		1830	}
		1831	NewGame(0);
		1832	return 3;
		1833	}
		1834	/*
		1835	************************************************************
		1836	* *
		1837	* "noise" command sets a minimum limit on nodes searched *
		1838	* such that until this number of nodes has been searched *
		1839	* no program output will occur. This is used to prevent *
		1840	* simple endgames from swamping the display device since *
		1841	* 30+ ply searches are possible, which can produce 100's *
		1842	* of lines of output. *
		1843	* *
		1844	************************************************************
		1845	*/
		1846	else if (OptionMatch("noise", *args)) {
		1847	if (nargs < 2) {
		1848	printf("usage: noise <n>\n");
		1849	return 1;
		1850	}
		1851	noise_level = atoi(args[1]);
		1852	Print(128, "noise level set to %d.\n", noise_level);
		1853	}
		1854	/*
		1855	************************************************************
		1856	* *
		1857	* "operator" command sets the operator time. This time *
		1858	* is the time per move that the operator needs. It is *
		1859	* multiplied by the number of moves left to time control *
		1860	* to reserve operator time. *
		1861	* *
		1862	************************************************************
		1863	*/
		1864	else if (OptionMatch("operator", *args)) {
		1865	if (nargs < 2) {
		1866	printf("usage: operator <seconds>\n");
		1867	return 1;
		1868	}
		1869	tc_operator_time = ParseTime(args[1]) * 100;
		1870	Print(128, "reserving %d seconds per move for operator overhead.\n",
		1871	tc_operator_time / 100);
		1872	}
		1873	/*
		1874	************************************************************
		1875	* *
		1876	* "otime" command sets the opponent's time remaining. *
		1877	* This is used to determine if the opponent is in time *
		1878	* trouble, and is factored into the draw score if he is. *
		1879	* *
		1880	************************************************************
		1881	*/
		1882	else if (OptionMatch("otime", *args)) {
		1883	if (nargs < 2) {
		1884	printf("usage: otime <time(unit=.01 secs))>\n");
		1885	return 1;
		1886	}
		1887	tc_time_remaining[Flip(root_wtm)] = atoi(args[1]);
		1888	if (log_file && time_limit > 99)
		1889	fprintf(log_file, "time remaining: %s (opponent).\n",
		1890	DisplayTime(tc_time_remaining[Flip(root_wtm)]));
		1891	if (call_flag && xboard && tc_time_remaining[Flip(root_wtm)] < 1) {
		1892	if (crafty_is_white)
		1893	Print(128, "1-0 {Black ran out of time}\n");
		1894	else
		1895	Print(128, "0-1 {White ran out of time}\n");
		1896	}
		1897	}
		1898	/*
		1899	************************************************************
		1900	* *
		1901	* "output" command sets long or short algebraic output. *
		1902	* Long is Ng1f3, while short is simply Nf3. *
		1903	* *
		1904	************************************************************
		1905	*/
		1906	else if (OptionMatch("output", *args)) {
		1907	if (nargs < 2) {
		1908	printf("usage: output long\|short\n");
		1909	return 1;
		1910	}
		1911	if (!strcmp(args[1], "long"))
		1912	output_format = 1;
		1913	else if (!strcmp(args[1], "short"))
		1914	output_format = 0;
		1915	else
		1916	printf("usage: output long\|short\n");
		1917	if (output_format == 1)
		1918	Print(128, "output moves in long algebraic format\n");
		1919	else if (output_format == 0)
		1920	Print(128, "output moves in short algebraic format\n");
		1921	}
		1922	/*
		1923	************************************************************
		1924	* *
		1925	* "personality" command is used to adjust the eval terms *
		1926	* and search options to modify the way Crafty plays. *
		1927	* *
		1928	************************************************************
		1929	*/
		1930	else if (OptionMatch("personality", *args)) {
		1931	int i, j, param, index, value;
		1932
		1933	/*
		1934	************************************************************
		1935	* *
		1936	* Handle the "personality list" command and dump every- *
		1937	* thing the user can modify. *
		1938	* *
		1939	************************************************************
		1940	*/
		1941	if (nargs == 2 && !strcmp(args[1], "list")) {
		1942	printf("\n");
		1943	for (i = 0; i < 256; i++) {
		1944	if (!personality_packet[i].description)
		1945	continue;
		1946	if (personality_packet[i].value) {
		1947	switch (personality_packet[i].type) {
		1948	case 1:
		1949	printf("%3d %s %7d\n", i, personality_packet[i].description,
		1950	*personality_packet[i].value);
		1951	break;
		1952	case 2:
		1953	printf("%3d %s %7d (mg) %7d (eg)\n", i,
		1954	personality_packet[i].description,
		1955	personality_packet[i].value[mg],
		1956	personality_packet[i].value[eg]);
		1957	break;
		1958	case 3:
		1959	printf("%3d %s\n", i, personality_packet[i].description);
		1960	DisplayType3(personality_packet[i].value,
		1961	personality_packet[i].value + 128);
		1962	break;
		1963	case 4:
		1964	printf("%3d %s\n", i, personality_packet[i].description);
		1965	DisplayType4(personality_packet[i].value,
		1966	personality_packet[i].value + 64);
		1967	break;
		1968	case 5:
		1969	printf("%3d %s\n", i, personality_packet[i].description);
		1970	DisplayType5(personality_packet[i].value,
		1971	personality_packet[i].size);
		1972	break;
		1973	case 6:
		1974	printf("%3d %s\n", i, personality_packet[i].description);
		1975	DisplayType6(personality_packet[i].value);
		1976	break;
		1977	}
		1978	} else {
		1979	printf("==================================================\n");
		1980	printf("= %s =\n", personality_packet[i].description);
		1981	printf("==================================================\n");
		1982	}
		1983	}
		1984	printf("\n");
		1985	return 1;
		1986	}
		1987	/*
		1988	************************************************************
		1989	* *
		1990	* Handle the "personality load" command and read in the *
		1991	* specified .cpf file.
		1992	* *
		1993	************************************************************
		1994	*/
		1995	if (!strcmp(args[1], "load")) {
		1996	FILE *file;
		1997	char filename[256];
		1998
		1999	strcpy_s(filename, sizeof (filename), args[2]); // Pierre-Marie Baty -- use safe version
		2000	if (!strstr(filename, ".cpf"))
		2001	strcat_s(filename, sizeof (filename), ".cpf"); // Pierre-Marie Baty -- use safe version
		2002	Print(128, "Loading personality file %s\n", filename);
		2003	fopen_s (&file, filename, "r+"); // Pierre-Marie Baty -- use safe version
		2004	if (file) {
		2005	while (fgets(buffer, 4096, file)) {
		2006	char *delim;
		2007
		2008	delim = strchr(buffer, '\n');
		2009	if (delim)
		2010	*delim = 0;
		2011	delim = strstr(buffer, "->");
		2012	if (delim)
		2013	*delim = 0;
		2014	delim = strchr(buffer, '\r');
		2015	if (delim)
		2016	*delim = ' ';
		2017	(void) Option(tree);
		2018	}
		2019	fclose(file);
		2020	}
		2021	return 1;
		2022	}
		2023	/*
		2024	************************************************************
		2025	* *
		2026	* Handle the "personality save" command and dump every- *
		2027	* thing that can be modified to a file. *
		2028	* *
		2029	************************************************************
		2030	*/
		2031	if (nargs == 3 && !strcmp(args[1], "save")) {
		2032	char filename[256];
		2033	FILE *file;
		2034
		2035	strcpy_s(filename, sizeof (filename), args[2]); // Pierre-Marie Baty -- use safe version
		2036	if (!strstr(filename, ".cpf"))
		2037	strcat_s(filename, sizeof (filename), ".cpf"); // Pierre-Marie Baty -- use safe version
		2038	fopen_s (&file, filename, "w"); // Pierre-Marie Baty -- use safe version
		2039	if (!file) {
		2040	printf("ERROR. Unable to open %s for writing\n", args[2]);
		2041	return 1;
		2042	}
		2043	printf("saving to file \"%s\"\n", filename);
		2044	fprintf(file, "# Crafty v%s personality file\n", version);
		2045	for (i = 0; i < 256; i++) {
		2046	if (!personality_packet[i].description)
		2047	continue;
		2048	if (personality_packet[i].value) {
		2049	if (personality_packet[i].size <= 1)
		2050	fprintf(file, "personality %3d %7d\n", i,
		2051	*personality_packet[i].value);
		2052	else if (personality_packet[i].size > 1) {
		2053	fprintf(file, "personality %3d ", i);
		2054	for (j = 0; j < personality_packet[i].size; j++)
		2055	fprintf(file, "%d ", personality_packet[i].value[j]);
		2056	fprintf(file, "\n");
		2057	}
		2058	}
		2059	}
		2060	fprintf(file, "exit\n");
		2061	fclose(file);
		2062	return 1;
		2063	}
		2064	/*
		2065	************************************************************
		2066	* *
		2067	* Handle the "personality index val" command that changes *
		2068	* only those personality terms that are scalars. *
		2069	* *
		2070	************************************************************
		2071	*/
		2072	param = atoi(args[1]);
		2073	value = atoi(args[2]);
		2074	if (!personality_packet[param].value) {
		2075	Print(4095, "ERROR. evaluation term %d is not defined\n", param);
		2076	return 1;
		2077	}
		2078	if (personality_packet[param].size == 0) {
		2079	if (nargs > 3) {
		2080	printf("this eval term requires exactly 1 value.\n");
		2081	return 1;
		2082	}
		2083	*personality_packet[param].value = value;
		2084	}
		2085	/*
		2086	************************************************************
		2087	* *
		2088	* Handle the "personality index v1 v2 .. vn" command that *
		2089	* changes eval terms that are vectors. *
		2090	* *
		2091	************************************************************
		2092	*/
		2093	else {
		2094	index = nargs - 2;
		2095	if (index != personality_packet[param].size) {
		2096	printf
		2097	("this eval term (%s [%d]) requires exactly %d values, found %d.\n",
		2098	personality_packet[param].description, param,
		2099	Abs(personality_packet[param].size), index);
		2100	return 1;
		2101	}
		2102	for (i = 0; i < index; i++)
		2103	personality_packet[param].value[i] = atoi(args[i + 2]);
		2104	}
		2105	InitializeKingSafety();
		2106	}
		2107	/*
		2108	************************************************************
		2109	* *
		2110	* "bookpath", "logpath" and "tbpath" set the default *
		2111	* paths to locate or save these files. *
		2112	* *
		2113	************************************************************
		2114	*/
		2115	else if (OptionMatch("logpath", args) \|\| OptionMatch("bookpath", args)
		2116	\|\| OptionMatch("tbpath", *args)) {
		2117	if (OptionMatch("logpath", args) \|\| OptionMatch("bookpath", args)) {
		2118	if (log_file)
		2119	Print(4095, "ERROR -- this must be used on command line only\n");
		2120	}
		2121	nargs = ReadParse(buffer, args, " \t=");
		2122	if (nargs < 2) {
		2123	printf("usage: bookpath\|perspath\|logpath\|tbpath <path>\n");
		2124	return 1;
		2125	}
		2126	if (!strchr(args[1], '(')) {
		2127	if (strstr(args[0], "bookpath"))
		2128	strcpy_s(book_path, sizeof (book_path), args[1]); // Pierre-Marie Baty -- use safe version
		2129	else if (strstr(args[0], "logpath"))
		2130	strcpy_s(log_path, sizeof (log_path), args[1]); // Pierre-Marie Baty -- use safe version
		2131	#if !defined(NOEGTB)
		2132	else if (strstr(args[0], "tbpath"))
		2133	strcpy_s(tb_path, sizeof (tb_path), args[1]); // Pierre-Marie Baty -- use safe version
		2134	#endif
		2135	} else {
		2136	if (strchr(args[1], ')')) {
		2137	*strchr(args[1], ')') = 0;
		2138	if (strstr(args[0], "bookpath"))
		2139	strcpy_s(book_path, sizeof (book_path), args[1] + 1); // Pierre-Marie Baty -- use safe version
		2140	else if (strstr(args[0], "logpath"))
		2141	strcpy_s(log_path, sizeof (log_path), args[1] + 1); // Pierre-Marie Baty -- use safe version
		2142	#if !defined(NOEGTB)
		2143	else if (strstr(args[0], "tbpath"))
		2144	strcpy_s(tb_path, sizeof (tb_path), args[1] + 1); // Pierre-Marie Baty -- use safe version
		2145	#endif
		2146	} else
		2147	Print(4095, "ERROR multiple paths must be enclosed in ( and )\n");
		2148	}
		2149	}
		2150	/*
		2151	************************************************************
		2152	* *
		2153	* "perf" command turns times move generator/make_move. *
		2154	* *
		2155	************************************************************
		2156	*/
		2157	#define PERF_CYCLES 4000000
		2158	else if (OptionMatch("perf", *args)) {
		2159	int i, *mv, clock_before, clock_after;
		2160	float time_used;
		2161
		2162	if (thinking \|\| pondering)
		2163	return 2;
		2164	clock_before = clock();
		2165	while (clock() == clock_before);
		2166	clock_before = clock();
		2167	for (i = 0; i < PERF_CYCLES; i++) {
		2168	tree->last[1] = GenerateCaptures(tree, 0, game_wtm, tree->last[0]);
		2169	tree->last[1] = GenerateNoncaptures(tree, 0, game_wtm, tree->last[1]);
		2170	}
		2171	clock_after = clock();
		2172	time_used =
		2173	((float) clock_after - (float) clock_before) / (float) CLOCKS_PER_SEC;
		2174	printf("generated %d moves, time=%.2f seconds\n",
		2175	(int) (tree->last[1] - tree->last[0]) * PERF_CYCLES, time_used);
		2176	printf("generated %d moves per second\n",
		2177	(int) (((float) (PERF_CYCLES * (tree->last[1] -
		2178	tree->last[0]))) / time_used));
		2179	clock_before = clock();
		2180	while (clock() == clock_before);
		2181	clock_before = clock();
		2182	for (i = 0; i < PERF_CYCLES; i++) {
		2183	tree->last[1] = GenerateCaptures(tree, 0, game_wtm, tree->last[0]);
		2184	tree->last[1] = GenerateNoncaptures(tree, 0, game_wtm, tree->last[1]);
		2185	for (mv = tree->last[0]; mv < tree->last[1]; mv++) {
		2186	MakeMove(tree, 0, *mv, game_wtm);
		2187	UnmakeMove(tree, 0, *mv, game_wtm);
		2188	}
		2189	}
		2190	clock_after = clock();
		2191	time_used =
		2192	((float) clock_after - (float) clock_before) / (float) CLOCKS_PER_SEC;
		2193	printf("generated/made/unmade %d moves, time=%.2f seconds\n",
		2194	(int) (tree->last[1] - tree->last[0]) * PERF_CYCLES, time_used);
		2195	printf("generated/made/unmade %d moves per second\n",
		2196	(int) (((float) (PERF_CYCLES * (tree->last[1] -
		2197	tree->last[0]))) / time_used));
		2198	}
		2199	/*
		2200	************************************************************
		2201	* *
		2202	* "perft" command turns tests move generator/make_move. *
		2203	* *
		2204	************************************************************
		2205	*/
		2206	else if (OptionMatch("perft", *args)) {
		2207	int i, clock_before, clock_after;
		2208	float time_used;
		2209
		2210	if (thinking \|\| pondering)
		2211	return 2;
		2212	clock_before = clock();
		2213	while (clock() == clock_before);
		2214	clock_before = clock();
		2215	if (nargs < 2) {
		2216	printf("usage: perftest <depth>\n");
		2217	return 1;
		2218	}
		2219	tree->status[1] = tree->status[0];
		2220	tree->last[0] = tree->move_list;
		2221	i = atoi(args[1]);
		2222	if (i <= 0) {
		2223	Print(128, "usage: perft <maxply>\n");
		2224	return 1;
		2225	}
		2226	total_moves = 0;
		2227	OptionPerft(tree, 1, i, game_wtm);
		2228	clock_after = clock();
		2229	time_used =
		2230	((float) clock_after - (float) clock_before) / (float) CLOCKS_PER_SEC;
		2231	printf("total moves=%" PRIu64 " time=%.2f\n", total_moves, time_used);
		2232	}
		2233	/*
		2234	************************************************************
		2235	* *
		2236	* "pgn" command sets the various PGN header files. *
		2237	* *
		2238	************************************************************
		2239	*/
		2240	else if (OptionMatch("pgn", *args)) {
		2241	int i;
		2242
		2243	if (nargs < 3) {
		2244	printf("usage: pgn <tag> <value>\n");
		2245	return 1;
		2246	}
		2247	if (!strcmp(args[1], "Event")) {
		2248	pgn_event[0] = 0;
		2249	for (i = 2; i < nargs; i++) {
		2250	strcat_s(pgn_event, sizeof (pgn_event), args[i]); // Pierre-Marie Baty -- use safe version
		2251	strcat_s(pgn_event, sizeof (pgn_event), " "); // Pierre-Marie Baty -- use safe version
		2252	}
		2253	} else if (!strcmp(args[1], "Site")) {
		2254	pgn_site[0] = 0;
		2255	for (i = 2; i < nargs; i++) {
		2256	strcat_s(pgn_site, sizeof (pgn_site), args[i]); // Pierre-Marie Baty -- use safe version
		2257	strcat_s(pgn_site, sizeof (pgn_site), " "); // Pierre-Marie Baty -- use safe version
		2258	}
		2259	} else if (!strcmp(args[1], "Round")) {
		2260	pgn_round[0] = 0;
		2261	strcpy_s(pgn_round, sizeof (pgn_round), args[2]); // Pierre-Marie Baty -- use safe version
		2262	} else if (!strcmp(args[1], "White")) {
		2263	pgn_white[0] = 0;
		2264	for (i = 2; i < nargs; i++) {
		2265	strcat_s(pgn_white, sizeof (pgn_white), args[i]); // Pierre-Marie Baty -- use safe version
		2266	strcat_s(pgn_white, sizeof (pgn_white), " "); // Pierre-Marie Baty -- use safe version
		2267	}
		2268	} else if (!strcmp(args[1], "WhiteElo")) {
		2269	pgn_white_elo[0] = 0;
		2270	strcpy_s(pgn_white_elo, sizeof (pgn_white_elo), args[2]); // Pierre-Marie Baty -- use safe version
		2271	} else if (!strcmp(args[1], "Black")) {
		2272	pgn_black[0] = 0;
		2273	for (i = 2; i < nargs; i++) {
		2274	strcat_s(pgn_black, sizeof (pgn_black), args[i]); // Pierre-Marie Baty -- use safe version
		2275	strcat_s(pgn_black, sizeof (pgn_black), " "); // Pierre-Marie Baty -- use safe version
		2276	}
		2277	} else if (!strcmp(args[1], "BlackElo")) {
		2278	pgn_black_elo[0] = 0;
		2279	strcpy_s(pgn_black_elo, sizeof (pgn_black_elo), args[2]); // Pierre-Marie Baty -- use safe version
		2280	}
		2281	}
		2282	/*
		2283	************************************************************
		2284	* *
		2285	* "ping" command simply echos the argument back to xboard *
		2286	* to let it know all previous commands have been executed *
		2287	* and we are ready for whatever is next. *
		2288	* *
		2289	************************************************************
		2290	*/
		2291	else if (!strcmp("ping", *args)) {
		2292	if (pondering) {
		2293	Print(4095, "pong %s\n", args[1]);
		2294	} else {
		2295	pong = atoi(args[1]);
		2296	}
		2297	}
		2298	/*
		2299	************************************************************
		2300	* *
		2301	* "playother" command says "position is set up, we are *
		2302	* waiting on the opponent to move, ponder if you want to *
		2303	* do so. *
		2304	* *
		2305	************************************************************
		2306	*/
		2307	else if (!strcmp("playother", *args)) {
		2308	force = 0;
		2309	}
		2310	/*
		2311	************************************************************
		2312	* *
		2313	* "ponder" command toggles pondering off/on or sets a *
		2314	* move to ponder. *
		2315	* *
		2316	************************************************************
		2317	*/
		2318	else if (OptionMatch("ponder", *args)) {
		2319	if (thinking \|\| pondering)
		2320	return 2;
		2321	if (nargs < 2) {
		2322	printf("usage: ponder off\|on\|<move>\n");
		2323	return 1;
		2324	}
		2325	if (!strcmp(args[1], "on")) {
		2326	ponder = 1;
		2327	Print(128, "pondering enabled.\n");
		2328	} else if (!strcmp(args[1], "off")) {
		2329	ponder = 0;
		2330	Print(128, "pondering disabled.\n");
		2331	} else {
		2332	ponder_move = InputMove(tree, args[1], 0, game_wtm, 0, 0);
		2333	last_pv.pathd = 0;
		2334	last_pv.pathl = 0;
		2335	}
		2336	}
		2337	/*
		2338	************************************************************
		2339	* *
		2340	* "post/nopost" command sets/resets "show thinking" mode *
		2341	* for xboard compatibility. *
		2342	* *
		2343	************************************************************
		2344	*/
		2345	else if (!strcmp("post", *args)) {
		2346	post = 1;
		2347	} else if (!strcmp("nopost", *args)) {
		2348	post = 0;
		2349	}
		2350	/*
		2351	************************************************************
		2352	* *
		2353	* "protover" command is sent by xboard to identify the *
		2354	* xboard protocol version and discover what the engine *
		2355	* can handle. *
		2356	* *
		2357	************************************************************
		2358	*/
		2359	else if (!strcmp("protover", *args)) {
		2360	int pversion = atoi(args[1]);
		2361
		2362	if (pversion >= 1 && pversion <= 3) {
		2363	if (pversion >= 2) {
		2364	Print(4095, "feature ping=1 setboard=1 san=1 time=1 draw=1\n");
		2365	Print(4095, "feature sigint=0 sigterm=0 reuse=1 analyze=1\n");
		2366	Print(4095, "feature myname=\"Crafty-%s\" name=1\n", version);
		2367	Print(4095, "feature playother=1 colors=0 memory=%d\n", allow_memory);
		2368	#if (CPUS > 1)
		2369	Print(4095, "feature smp=%d\n", allow_cores);
		2370	#endif
		2371	Print(4095, "feature variants=\"normal,nocastle\"\n");
		2372	Print(4095, "feature done=1\n");
		2373	done = 1;
		2374	}
		2375	} else
		2376	Print(4095, "ERROR, bogus xboard protocol version received.\n");
		2377	}
		2378	/*
		2379	************************************************************
		2380	* *
		2381	* "random" command is ignored. [xboard compatibility] *
		2382	* *
		2383	************************************************************
		2384	*/
		2385	else if (OptionMatch("random", *args)) {
		2386	return xboard;
		2387	}
		2388	/*
		2389	************************************************************
		2390	* *
		2391	* "rating" is used by xboard to set Crafty's rating and *
		2392	* the opponent's rating, which is used by the learning *
		2393	* functions. *
		2394	* *
		2395	************************************************************
		2396	*/
		2397	else if (OptionMatch("rating", *args)) {
		2398	int rd;
		2399	if (nargs < 3) {
		2400	printf("usage: rating <Crafty> <opponent>\n");
		2401	return 1;
		2402	}
		2403	crafty_rating = atoi(args[1]);
		2404	opponent_rating = atoi(args[2]);
		2405	if (crafty_rating == 0 && opponent_rating == 0) {
		2406	crafty_rating = 2500;
		2407	opponent_rating = 2300;
		2408	}
		2409	rd = opponent_rating - crafty_rating;
		2410	rd = Max(Min(rd, 300), -300);
		2411	abs_draw_score = (rd + 60) / 7;
		2412	if (log_file) {
		2413	fprintf(log_file, "Crafty's rating: %d.\n", crafty_rating);
		2414	fprintf(log_file, "opponent's rating: %d.\n", opponent_rating);
		2415	fprintf(log_file, "draw score: %d.\n", abs_draw_score);
		2416	}
		2417	}
		2418	/*
		2419	************************************************************
		2420	* *
		2421	* "remove" command backs up the game one whole move, *
		2422	* leaving the opponent still on move. It's intended for *
		2423	* xboard compatibility, but works in any mode. *
		2424	* *
		2425	************************************************************
		2426	*/
		2427	else if (!strcmp("remove", *args)) {
		2428	if (thinking \|\| pondering)
		2429	return 2;
		2430	move_number--;
		2431	sprintf_s(buffer, sizeof (buffer), "reset %d", move_number); // Pierre-Marie Baty -- use safe version
		2432	(void) Option(tree);
		2433	}
		2434	/*
		2435	************************************************************
		2436	* *
		2437	* "reset" restores (backs up) a game to a prior position *
		2438	* with the same side on move. Reset 17 would reset the *
		2439	* position to what it was at move 17 with the current *
		2440	* still on move (you can use white/black commands to *
		2441	* change the side to move first, if needed.) *
		2442	* *
		2443	************************************************************
		2444	*/
		2445	else if (OptionMatch("reset", *args)) {
		2446	int i, move, nmoves;
		2447
		2448	if (!history_file)
		2449	return 1;
		2450	if (thinking \|\| pondering)
		2451	return 2;
		2452	if (nargs < 2) {
		2453	printf("usage: reset <movenumber>\n");
		2454	return 1;
		2455	}
		2456	ponder_move = 0;
		2457	last_mate_score = 0;
		2458	last_pv.pathd = 0;
		2459	last_pv.pathl = 0;
		2460	if (thinking \|\| pondering)
		2461	return 2;
		2462	over = 0;
		2463	move_number = atoi(args[1]);
		2464	if (!move_number) {
		2465	move_number = 1;
		2466	return 1;
		2467	}
		2468	nmoves = (move_number - 1) * 2 + 1 - game_wtm;
		2469	root_wtm = Flip(game_wtm);
		2470	InitializeChessBoard(tree);
		2471	game_wtm = 1;
		2472	move_number = 1;
		2473	tc_moves_remaining[white] = tc_moves;
		2474	tc_moves_remaining[black] = tc_moves;
		2475	for (i = 0; i < nmoves; i++) {
		2476	fseek(history_file, i * 10, SEEK_SET);
		2477	fscanf_s(history_file, "%s", buffer, sizeof (buffer)); // Pierre-Marie Baty -- use safe version
		2478	/*
		2479	If the move is "pass", that means that the side on move passed.
		2480	This includes the case where the game started from a black-to-move
		2481	position; then white's first move is recorded as a pass.
		2482	*/
		2483	if (strcmp(buffer, "pass") == 0) {
		2484	game_wtm = Flip(game_wtm);
		2485	if (game_wtm)
		2486	move_number++;
		2487	continue;
		2488	}
		2489	move = InputMove(tree, buffer, 0, game_wtm, 0, 0);
		2490	if (move) {
		2491	MakeMoveRoot(tree, move, game_wtm);
		2492	} else {
		2493	printf("ERROR! move %s is illegal\n", buffer);
		2494	break;
		2495	}
		2496	TimeAdjust(0, game_wtm);
		2497	game_wtm = Flip(game_wtm);
		2498	if (game_wtm)
		2499	move_number++;
		2500	}
		2501	moves_out_of_book = 0;
		2502	printf("NOTICE: %d moves to next time control\n",
		2503	tc_moves_remaining[root_wtm]);
		2504	}
		2505	/*
		2506	************************************************************
		2507	* *
		2508	* "read" reads game moves in and makes them. This can *
		2509	* be used in two ways: (1) type "read" and then start *
		2510	* entering moves; type "exit" when done; (2) type *
		2511	* "read <filename>" to read moves in from <filename>. *
		2512	* Note that read will attempt to skip over "non-move" *
		2513	* text and try to extract moves if it can. *
		2514	* *
		2515	* Note that "reada" appends to the existing position, *
		2516	* while "read" resets the board to the start position *
		2517	* before reading moves. *
		2518	* *
		2519	************************************************************
		2520	*/
		2521	else if (OptionMatch("read", args) \|\| OptionMatch("reada", args)) {
		2522	int append, move, readstat;
		2523	FILE *read_input = 0;
		2524
		2525	if (thinking \|\| pondering)
		2526	return 2;
		2527	nargs = ReadParse(buffer, args, " \t=");
		2528	if (!strcmp("reada", *args))
		2529	append = 1;
		2530	else
		2531	append = 0;
		2532	ponder_move = 0;
		2533	last_pv.pathd = 0;
		2534	last_pv.pathl = 0;
		2535	if (nargs > 1) {
		2536	fopen_s(&read_input, args[1], "r"); // Pierre-Marie Baty -- use safe version
		2537	if (!read_input) {
		2538	printf("file %s does not exist.\n", args[1]);
		2539	return 1;
		2540	}
		2541	} else {
		2542	printf("type \"exit\" to terminate.\n");
		2543	read_input = stdin;
		2544	}
		2545	if (!append) {
		2546	InitializeChessBoard(tree);
		2547	game_wtm = 1;
		2548	move_number = 1;
		2549	tc_moves_remaining[white] = tc_moves;
		2550	tc_moves_remaining[black] = tc_moves;
		2551	}
		2552	/*
		2553	step 1: read in the PGN tags.
		2554	*/
		2555	readstat = ReadPGN(0, 0);
		2556	do {
		2557	if (read_input == stdin) {
		2558	if (game_wtm)
		2559	printf("read.White(%d): ", move_number);
		2560	else
		2561	printf("read.Black(%d): ", move_number);
		2562	fflush(stdout);
		2563	}
		2564	readstat = ReadPGN(read_input, 0);
		2565	} while (readstat == 1);
		2566	if (readstat < 0)
		2567	return 1;
		2568	/*
		2569	step 2: read in the moves.
		2570	*/
		2571	do {
		2572	move = 0;
		2573	move = ReadNextMove(tree, buffer, 0, game_wtm);
		2574	if (move) {
		2575	if (read_input != stdin) {
		2576	printf("%s ", OutputMove(tree, move, 0, game_wtm));
		2577	if (!(move_number % 8) && Flip(game_wtm))
		2578	printf("\n");
		2579	}
		2580	fseek(history_file, ((move_number - 1) * 2 + 1 - game_wtm) * 10,
		2581	SEEK_SET);
		2582	fprintf(history_file, "%9s\n", OutputMove(tree, move, 0, game_wtm));
		2583	MakeMoveRoot(tree, move, game_wtm);
		2584	TimeAdjust(0, game_wtm);
		2585	#if defined(DEBUG)
		2586	ValidatePosition(tree, 1, move, "Option()");
		2587	#endif
		2588	} else if (!read_input)
		2589	printf("illegal move.\n");
		2590	if (move) {
		2591	game_wtm = Flip(game_wtm);
		2592	if (game_wtm)
		2593	move_number++;
		2594	}
		2595	if (read_input == stdin) {
		2596	if (game_wtm)
		2597	printf("read.White(%d): ", move_number);
		2598	else
		2599	printf("read.Black(%d): ", move_number);
		2600	fflush(stdout);
		2601	}
		2602	readstat = ReadPGN(read_input, 0);
		2603	if (readstat < 0)
		2604	break;
		2605	if (!strcmp(buffer, "exit"))
		2606	break;
		2607	} while (1);
		2608	moves_out_of_book = 0;
		2609	printf("NOTICE: %d moves to next time control\n",
		2610	tc_moves_remaining[root_wtm]);
		2611	root_wtm = !game_wtm;
		2612	if (read_input != stdin) {
		2613	printf("\n");
		2614	fclose(read_input);
		2615	}
		2616	}
		2617	/*
		2618	************************************************************
		2619	* *
		2620	* "rejected" handles the new xboard protocol version 2 *
		2621	* rejected command. *
		2622	* *
		2623	************************************************************
		2624	*/
		2625	else if (OptionMatch("rejected", *args)) {
		2626	Print(4095, "ERROR. feature %s rejected by xboard\n", args[1]);
		2627	}
		2628	/*
		2629	************************************************************
		2630	* *
		2631	* "resign" command sets the resignation threshold to the *
		2632	* number of pawns the program must be behind before *
		2633	* resigning (0 -> disable resignations). Resign with no *
		2634	* arguments will mark the pgn result as lost by the *
		2635	* opponent. *
		2636	* *
		2637	************************************************************
		2638	*/
		2639	else if (OptionMatch("resign", *args)) {
		2640	if (nargs < 2) {
		2641	if (crafty_is_white) {
		2642	Print(4095, "result 1-0\n");
		2643	strcpy_s(pgn_result, sizeof (pgn_result), "1-0"); // Pierre-Marie Baty -- use safe version
		2644	} else {
		2645	Print(4095, "result 0-1\n");
		2646	strcpy_s(pgn_result, sizeof (pgn_result), "0-1"); // Pierre-Marie Baty -- use safe version
		2647	}
		2648	learn_value = 300;
		2649	LearnBook();
		2650	return 1;
		2651	}
		2652	resign = atoi(args[1]);
		2653	if (nargs == 3)
		2654	resign_count = atoi(args[2]);
		2655	if (resign)
		2656	Print(128, "resign after %d consecutive moves with score < %d.\n",
		2657	resign_count, -resign);
		2658	else
		2659	Print(128, "disabled resignations.\n");
		2660	}
		2661	/*
		2662	************************************************************
		2663	* *
		2664	* "result" command comes from xboard/winboard and gives *
		2665	* the result of the current game. If learning routines *
		2666	* have not yet been activated, this will do it. *
		2667	* *
		2668	************************************************************
		2669	*/
		2670	else if (OptionMatch("result", *args)) {
		2671	if (nargs > 1) {
		2672	if (!strcmp(args[1], "1-0")) {
		2673	strcpy_s(pgn_result, sizeof (pgn_result), "1-0"); // Pierre-Marie Baty -- use safe version
		2674	if (crafty_is_white)
		2675	learn_value = 300;
		2676	else
		2677	learn_value = -300;
		2678	} else if (!strcmp(args[1], "0-1")) {
		2679	strcpy_s(pgn_result, sizeof (pgn_result), "0-1"); // Pierre-Marie Baty -- use safe version
		2680	if (crafty_is_white)
		2681	learn_value = -300;
		2682	else
		2683	learn_value = 300;
		2684	} else if (!strcmp(args[1], "1/2-1/2")) {
		2685	strcpy_s(pgn_result, sizeof (pgn_result), "1/2-1/2"); // Pierre-Marie Baty -- use safe version
		2686	learn_value = 1;
		2687	}
		2688	LearnBook();
		2689	return 1;
		2690	}
		2691	}
		2692	/*
		2693	************************************************************
		2694	* *
		2695	* "savegame" command saves the game in a file in PGN *
		2696	* format. Command has an optional filename. *
		2697	* *
		2698	************************************************************
		2699	*/
		2700	else if (OptionMatch("savegame", *args)) {
		2701	struct tm *timestruct;
		2702	int i, more, swtm;
		2703	time_t secs;
		2704	FILE *output_file;
		2705	char input[128], text[128], *next;
		2706
		2707	output_file = stdout;
		2708	secs = time(0);
		2709	timestruct = localtime((time_t *) & secs);
		2710	if (nargs > 1) {
		2711	fopen_s(&output_file, args[1], "w"); // Pierre-Marie Baty -- use safe version
		2712	if (!output_file) {
		2713	printf("unable to open %s for write.\n", args[1]);
		2714	return 1;
		2715	}
		2716	}
		2717	fprintf(output_file, "[Event \"%s\"]\n", pgn_event);
		2718	fprintf(output_file, "[Site \"%s\"]\n", pgn_site);
		2719	fprintf(output_file, "[Date \"%4d.%02d.%02d\"]\n",
		2720	timestruct->tm_year + 1900, timestruct->tm_mon + 1,
		2721	timestruct->tm_mday);
		2722	fprintf(output_file, "[Round \"%s\"]\n", pgn_round);
		2723	fprintf(output_file, "[White \"%s\"]\n", pgn_white);
		2724	fprintf(output_file, "[WhiteElo \"%s\"]\n", pgn_white_elo);
		2725	fprintf(output_file, "[Black \"%s\"]\n", pgn_black);
		2726	fprintf(output_file, "[BlackElo \"%s\"]\n", pgn_black_elo);
		2727	fprintf(output_file, "[Result \"%s\"]\n", pgn_result);
		2728	/* Handle setup positions and initial pass by white */
		2729	swtm = 1;
		2730	if (move_number > 1 \|\| !game_wtm) {
		2731	fseek(history_file, 0, SEEK_SET);
		2732	if (fscanf_s(history_file, "%s", input, sizeof (input)) == 1 && // Pierre-Marie Baty -- use safe version
		2733	strcmp(input, "pass") == 0)
		2734	swtm = 0;
		2735	}
		2736	if (initial_position[0])
		2737	fprintf(output_file, "[FEN \"%s\"]\n[SetUp \"1\"]\n", initial_position);
		2738	else if (!swtm) {
		2739	fprintf(output_file,
		2740	"[FEN \"rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR b KQkq - 0 1\"\n"
		2741	"[SetUp \"1\"]\n");
		2742	}
		2743	fprintf(output_file, "\n");
		2744	next = text;
		2745	if (!swtm) {
		2746	strcpy_s(text, sizeof (text), "1... "); // Pierre-Marie Baty -- use safe version
		2747	next = text + strlen(text);
		2748	}
		2749	/* Output the moves */
		2750	more = 0;
		2751	for (i = (swtm ? 0 : 1); i < (move_number - 1) * 2 - game_wtm + 1; i++) {
		2752	fseek(history_file, i * 10, SEEK_SET);
		2753	fscanf(history_file, "%s", input);
		2754	if (!(i % 2)) {
		2755	sprintf(next, "%d. ", i / 2 + 1);
		2756	next = text + strlen(text);
		2757	}
		2758	sprintf(next, "%s ", input);
		2759	next = text + strlen(text);
		2760	more = 1;
		2761	if (next - text >= 60) {
		2762	fprintf(output_file, "%s\n", text);
		2763	more = 0;
		2764	next = text;
		2765	}
		2766	}
		2767	if (more)
		2768	fprintf(output_file, "%s", text);
		2769	fprintf(output_file, "%s\n", pgn_result);
		2770	if (output_file != stdout)
		2771	fclose(output_file);
		2772	printf("PGN save complete.\n");
		2773	}
		2774	/*
		2775	************************************************************
		2776	* *
		2777	* "savepos" command saves the current position in a FEN *
		2778	* (Forsythe-Edwards Notation) string that can be later *
		2779	* used to recreate this exact position. *
		2780	* *
		2781	************************************************************
		2782	*/
		2783	else if (OptionMatch("savepos", *args)) {
		2784	int rank, file, nempty;
		2785	FILE *output_file;
		2786
		2787	output_file = stdout;
		2788	if (nargs > 1) {
		2789	if (!strcmp(args[1], "*")) {
		2790	output_file = 0;
		2791	initial_position[0] = 0; // Pierre-Marie Baty -- use safe version
		2792	} else if (!(output_file = fopen(args[1], "w"))) {
		2793	printf("unable to open %s for write.\n", args[1]);
		2794	return 1;
		2795	}
		2796	}
		2797	if (output_file)
		2798	fprintf(output_file, "setboard ");
		2799	for (rank = RANK8; rank >= RANK1; rank--) {
		2800	nempty = 0;
		2801	for (file = FILEA; file <= FILEH; file++) {
		2802	if (PcOnSq((rank << 3) + file)) {
		2803	if (nempty) {
		2804	if (output_file)
		2805	fprintf(output_file, "%c", empty_sqs[nempty]);
		2806	else
		2807	sprintf(initial_position + strlen(initial_position), "%c",
		2808	empty_sqs[nempty]);
		2809	nempty = 0;
		2810	}
		2811	if (output_file)
		2812	fprintf(output_file, "%c",
		2813	translate[PcOnSq((rank << 3) + file) + 6]);
		2814	else
		2815	sprintf(initial_position + strlen(initial_position), "%c",
		2816	translate[PcOnSq((rank << 3) + file) + 6]);
		2817	} else
		2818	nempty++;
		2819	}
		2820	if (empty_sqs[nempty]) {
		2821	if (output_file)
		2822	fprintf(output_file, "%c", empty_sqs[nempty]);
		2823	else
		2824	sprintf(initial_position + strlen(initial_position), "%c",
		2825	empty_sqs[nempty]);
		2826	}
		2827	if (rank != RANK1) {
		2828	if (output_file)
		2829	fprintf(output_file, "/");
		2830	else
		2831	strcat_s(initial_position, sizeof (initial_position), "/"); // Pierre-Marie Baty -- use safe version
		2832	}
		2833	}
		2834	if (output_file)
		2835	fprintf(output_file, " %c ", (game_wtm) ? 'w' : 'b');
		2836	else
		2837	strcat_s(initial_position, sizeof (initial_position), (game_wtm) ? " w " : " b "); // Pierre-Marie Baty -- use safe version
		2838	if (Castle(0, white) & 1) {
		2839	if (output_file)
		2840	fprintf(output_file, "K");
		2841	else
		2842	strcat_s(initial_position, sizeof (initial_position), "K"); // Pierre-Marie Baty -- use safe version
		2843	}
		2844	if (Castle(0, white) & 2) {
		2845	if (output_file)
		2846	fprintf(output_file, "Q");
		2847	else
		2848	strcat_s(initial_position, sizeof (initial_position), "Q"); // Pierre-Marie Baty -- use safe version
		2849	}
		2850	if (Castle(0, black) & 1) {
		2851	if (output_file)
		2852	fprintf(output_file, "k");
		2853	else
		2854	strcat_s(initial_position, sizeof (initial_position), "k"); // Pierre-Marie Baty -- use safe version
		2855	}
		2856	if (Castle(0, black) & 2) {
		2857	if (output_file)
		2858	fprintf(output_file, "q");
		2859	else
		2860	strcat_s(initial_position, sizeof (initial_position), "q"); // Pierre-Marie Baty -- use safe version
		2861	}
		2862	if (!Castle(0, white) && !Castle(0, black)) {
		2863	if (output_file)
		2864	fprintf(output_file, " -");
		2865	else
		2866	strcat_s(initial_position, sizeof (initial_position), " -"); // Pierre-Marie Baty -- use safe version
		2867	}
		2868	if (EnPassant(0)) {
		2869	if (output_file)
		2870	fprintf(output_file, " %c%c", File(EnPassant(0)) + 'a',
		2871	Rank(EnPassant(0)) + '1');
		2872	else
		2873	sprintf(initial_position + strlen(initial_position), " %c%c",
		2874	File(EnPassant(0)) + 'a', Rank(EnPassant(0)) + '1');
		2875	} else {
		2876	if (output_file)
		2877	fprintf(output_file, " -");
		2878	else
		2879	strcat_s(initial_position, sizeof (initial_position), " -"); // Pierre-Marie Baty -- use safe version
		2880	}
		2881	if (output_file)
		2882	fprintf(output_file, "\n");
		2883	if (output_file && output_file != stdout) {
		2884	fprintf(output_file, "exit\n");
		2885	fclose(output_file);
		2886	}
		2887	if (output_file)
		2888	printf("FEN save complete.\n");
		2889	}
		2890	/*
		2891	************************************************************
		2892	* *
		2893	* "scale" command is used for tuning. We modify this to *
		2894	* scale some scoring value(s) by a percentage that can *
		2895	* be either positive or negative. *
		2896	* *
		2897	************************************************************
		2898	*/
		2899
		2900	else if (!strcmp("scale", *args)) {
		2901	scale = atoi(args[1]);
		2902	}
		2903	/*
		2904	************************************************************
		2905	* *
		2906	* "search" command sets a specific move for the search *
		2907	* to analyze, ignoring all others completely. *
		2908	* *
		2909	************************************************************
		2910	*/
		2911	else if (OptionMatch("search", *args)) {
		2912	if (thinking \|\| pondering)
		2913	return 2;
		2914	if (nargs < 2) {
		2915	printf("usage: search <move>\n");
		2916	return 1;
		2917	}
		2918	search_move = InputMove(tree, args[1], 0, game_wtm, 0, 0);
		2919	if (!search_move)
		2920	search_move = InputMove(tree, args[1], 0, Flip(game_wtm), 0, 0);
		2921	if (!search_move)
		2922	printf("illegal move.\n");
		2923	}
		2924	/*
		2925	************************************************************
		2926	* *
		2927	* "settc" command is used to reset the time controls *
		2928	* after a complete restart. *
		2929	* *
		2930	************************************************************
		2931	*/
		2932	else if (OptionMatch("settc", *args)) {
		2933	if (thinking \|\| pondering)
		2934	return 2;
		2935	if (nargs < 4) {
		2936	printf("usage: settc <wmoves> <wtime> <bmoves> <btime>\n");
		2937	return 1;
		2938	}
		2939	tc_moves_remaining[white] = atoi(args[1]);
		2940	tc_time_remaining[white] = ParseTime(args[2]) * 6000;
		2941	tc_moves_remaining[black] = atoi(args[3]);
		2942	tc_time_remaining[black] = ParseTime(args[4]) * 6000;
		2943	Print(128, "time remaining: %s (white).\n",
		2944	DisplayTime(tc_time_remaining[white]));
		2945	Print(128, "time remaining: %s (black).\n",
		2946	DisplayTime(tc_time_remaining[black]));
		2947	if (tc_sudden_death != 1) {
		2948	Print(128, "%d moves to next time control (white)\n",
		2949	tc_moves_remaining[white]);
		2950	Print(128, "%d moves to next time control (black)\n",
		2951	tc_moves_remaining[black]);
		2952	} else
		2953	Print(128, "Sudden-death time control in effect\n");
		2954	}
		2955	/*
		2956	************************************************************
		2957	* *
		2958	* "setboard" command sets the board to a specific *
		2959	* position for analysis by the program. *
		2960	* *
		2961	************************************************************
		2962	*/
		2963	else if (OptionMatch("setboard", *args)) {
		2964	if (thinking \|\| pondering)
		2965	return 2;
		2966	nargs = ReadParse(buffer, args, " \t;=");
		2967	if (nargs < 3) {
		2968	printf("usage: setboard <fen>\n");
		2969	return 1;
		2970	}
		2971	SetBoard(tree, nargs - 1, args + 1, 0);
		2972	move_number = 1;
		2973	if (!game_wtm) {
		2974	game_wtm = 1;
		2975	Pass();
		2976	}
		2977	ponder_move = 0;
		2978	last_pv.pathd = 0;
		2979	last_pv.pathl = 0;
		2980	over = 0;
		2981	strcpy_s(buffer, sizeof (buffer), "savepos *"); // Pierre-Marie Baty -- use safe version
		2982	(void) Option(tree);
		2983	} else if (StrCnt(*args, '/') > 3) {
		2984	if (thinking \|\| pondering)
		2985	return 2;
		2986	nargs = ReadParse(buffer, args, " \t;=");
		2987	SetBoard(tree, nargs, args, 0);
		2988	move_number = 1;
		2989	if (!game_wtm) {
		2990	game_wtm = 1;
		2991	Pass();
		2992	}
		2993	ponder_move = 0;
		2994	last_pv.pathd = 0;
		2995	last_pv.pathl = 0;
		2996	over = 0;
		2997	strcpy_s(buffer, sizeof (buffer), "savepos *"); // Pierre-Marie Baty -- use safe version
		2998	(void) Option(tree);
		2999	}
		3000	/*
		3001	************************************************************
		3002	* *
		3003	* "score" command displays static evaluation of the *
		3004	* current board position. *
		3005	* *
		3006	************************************************************
		3007	*/
		3008	else if (OptionMatch("score", *args)) {
		3009	int phase, s, tw, tb;
		3010	int mgb, mgw, egb, egw;
		3011
		3012	if (thinking \|\| pondering)
		3013	return 2;
		3014	Print(128, "note: scores are for the white side\n");
		3015	Print(128, " ");
		3016	Print(128, " +-----------white----------+");
		3017	Print(128, "-----------black----------+\n");
		3018	tree->score_mg = 0;
		3019	tree->score_eg = 0;
		3020	mgb = tree->score_mg;
		3021	EvaluateMaterial(tree, game_wtm);
		3022	mgb = tree->score_mg - mgb;
		3023	Print(128, "material.......%s", DisplayEvaluation(mgb, 1));
		3024	Print(128, " \| comp mg eg \|");
		3025	Print(128, " comp mg eg \|\n");
		3026	root_wtm = Flip(game_wtm);
		3027	tree->status[1] = tree->status[0];
		3028	s = Evaluate(tree, 1, game_wtm, -99999, 99999);
		3029	if (!game_wtm)
		3030	s = -s;
		3031	tree->score_mg = 0;
		3032	tree->score_eg = 0;
		3033	tree->tropism[black] = 0;
		3034	tree->tropism[white] = 0;
		3035	phase =
		3036	Min(62, TotalPieces(white, occupied) + TotalPieces(black, occupied));
		3037	tree->pawn_score.score_mg = 0;
		3038	tree->pawn_score.score_eg = 0;
		3039	mgb = tree->pawn_score.score_mg;
		3040	egb = tree->pawn_score.score_eg;
		3041	EvaluatePawns(tree, black);
		3042	mgb = tree->pawn_score.score_mg - mgb;
		3043	egb = tree->pawn_score.score_eg - egb;
		3044	mgw = tree->pawn_score.score_mg;
		3045	egw = tree->pawn_score.score_eg;
		3046	EvaluatePawns(tree, white);
		3047	mgw = tree->pawn_score.score_mg - mgw;
		3048	egw = tree->pawn_score.score_eg - egw;
		3049	tb = (mgb * phase + egb * (62 - phase)) / 62;
		3050	tw = (mgw * phase + egw * (62 - phase)) / 62;
		3051	Print(128, "pawns..........%s \|", DisplayEvaluation(tb + tw, 1));
		3052	Print(128, " %s", DisplayEvaluation(tw, 1));
		3053	Print(128, " %s", DisplayEvaluation(mgw, 1));
		3054	Print(128, " %s \|", DisplayEvaluation(egw, 1));
		3055	Print(128, " %s", DisplayEvaluation(tb, 1));
		3056	Print(128, " %s", DisplayEvaluation(mgb, 1));
		3057	Print(128, " %s \|\n", DisplayEvaluation(egb, 1));
		3058	mgb = tree->score_mg;
		3059	egb = tree->score_eg;
		3060	EvaluatePassedPawns(tree, black, game_wtm);
		3061	mgb = tree->score_mg - mgb;
		3062	egb = tree->score_eg - egb;
		3063	mgw = tree->score_mg;
		3064	egw = tree->score_eg;
		3065	EvaluatePassedPawns(tree, white, game_wtm);
		3066	mgw = tree->score_mg - mgw;
		3067	egw = tree->score_eg - egw;
		3068	tb = (mgb * phase + egb * (62 - phase)) / 62;
		3069	tw = (mgw * phase + egw * (62 - phase)) / 62;
		3070	Print(128, "passed pawns...%s \|", DisplayEvaluation(tb + tw, 1));
		3071	Print(128, " %s", DisplayEvaluation(tw, 1));
		3072	Print(128, " %s", DisplayEvaluation(mgw, 1));
		3073	Print(128, " %s \|", DisplayEvaluation(egw, 1));
		3074	Print(128, " %s", DisplayEvaluation(tb, 1));
		3075	Print(128, " %s", DisplayEvaluation(mgb, 1));
		3076	Print(128, " %s \|\n", DisplayEvaluation(egb, 1));
		3077	mgb = tree->score_mg;
		3078	egb = tree->score_eg;
		3079	EvaluateKnights(tree, black);
		3080	mgb = tree->score_mg - mgb;
		3081	egb = tree->score_eg - egb;
		3082	mgw = tree->score_mg;
		3083	egw = tree->score_eg;
		3084	EvaluateKnights(tree, white);
		3085	mgw = tree->score_mg - mgw;
		3086	egw = tree->score_eg - egw;
		3087	tb = (mgb * phase + egb * (62 - phase)) / 62;
		3088	tw = (mgw * phase + egw * (62 - phase)) / 62;
		3089	Print(128, "knights........%s \|", DisplayEvaluation(tb + tw, 1));
		3090	Print(128, " %s", DisplayEvaluation(tw, 1));
		3091	Print(128, " %s", DisplayEvaluation(mgw, 1));
		3092	Print(128, " %s \|", DisplayEvaluation(egw, 1));
		3093	Print(128, " %s", DisplayEvaluation(tb, 1));
		3094	Print(128, " %s", DisplayEvaluation(mgb, 1));
		3095	Print(128, " %s \|\n", DisplayEvaluation(egb, 1));
		3096	mgb = tree->score_mg;
		3097	egb = tree->score_eg;
		3098	EvaluateBishops(tree, black);
		3099	mgb = tree->score_mg - mgb;
		3100	egb = tree->score_eg - egb;
		3101	mgw = tree->score_mg;
		3102	egw = tree->score_eg;
		3103	EvaluateBishops(tree, white);
		3104	mgw = tree->score_mg - mgw;
		3105	egw = tree->score_eg - egw;
		3106	tb = (mgb * phase + egb * (62 - phase)) / 62;
		3107	tw = (mgw * phase + egw * (62 - phase)) / 62;
		3108	Print(128, "bishops........%s \|", DisplayEvaluation(tb + tw, 1));
		3109	Print(128, " %s", DisplayEvaluation(tw, 1));
		3110	Print(128, " %s", DisplayEvaluation(mgw, 1));
		3111	Print(128, " %s \|", DisplayEvaluation(egw, 1));
		3112	Print(128, " %s", DisplayEvaluation(tb, 1));
		3113	Print(128, " %s", DisplayEvaluation(mgb, 1));
		3114	Print(128, " %s \|\n", DisplayEvaluation(egb, 1));
		3115	mgb = tree->score_mg;
		3116	egb = tree->score_eg;
		3117	EvaluateRooks(tree, black);
		3118	mgb = tree->score_mg - mgb;
		3119	egb = tree->score_eg - egb;
		3120	mgw = tree->score_mg;
		3121	egw = tree->score_eg;
		3122	EvaluateRooks(tree, white);
		3123	mgw = tree->score_mg - mgw;
		3124	egw = tree->score_eg - egw;
		3125	tb = (mgb * phase + egb * (62 - phase)) / 62;
		3126	tw = (mgw * phase + egw * (62 - phase)) / 62;
		3127	Print(128, "rooks..........%s \|", DisplayEvaluation(tb + tw, 1));
		3128	Print(128, " %s", DisplayEvaluation(tw, 1));
		3129	Print(128, " %s", DisplayEvaluation(mgw, 1));
		3130	Print(128, " %s \|", DisplayEvaluation(egw, 1));
		3131	Print(128, " %s", DisplayEvaluation(tb, 1));
		3132	Print(128, " %s", DisplayEvaluation(mgb, 1));
		3133	Print(128, " %s \|\n", DisplayEvaluation(egb, 1));
		3134	mgb = tree->score_mg;
		3135	egb = tree->score_eg;
		3136	EvaluateQueens(tree, black);
		3137	mgb = tree->score_mg - mgb;
		3138	egb = tree->score_eg - egb;
		3139	mgw = tree->score_mg;
		3140	egw = tree->score_eg;
		3141	EvaluateQueens(tree, white);
		3142	mgw = tree->score_mg - mgw;
		3143	egw = tree->score_eg - egw;
		3144	tb = (mgb * phase + egb * (62 - phase)) / 62;
		3145	tw = (mgw * phase + egw * (62 - phase)) / 62;
		3146	Print(128, "queens.........%s \|", DisplayEvaluation(tb + tw, 1));
		3147	Print(128, " %s", DisplayEvaluation(tw, 1));
		3148	Print(128, " %s", DisplayEvaluation(mgw, 1));
		3149	Print(128, " %s \|", DisplayEvaluation(egw, 1));
		3150	Print(128, " %s", DisplayEvaluation(tb, 1));
		3151	Print(128, " %s", DisplayEvaluation(mgb, 1));
		3152	Print(128, " %s \|\n", DisplayEvaluation(egb, 1));
		3153	mgb = tree->score_mg;
		3154	egb = tree->score_eg;
		3155	EvaluateKings(tree, 1, black);
		3156	mgb = tree->score_mg - mgb;
		3157	egb = tree->score_eg - egb;
		3158	mgw = tree->score_mg;
		3159	egw = tree->score_eg;
		3160	EvaluateKings(tree, 1, white);
		3161	mgw = tree->score_mg - mgw;
		3162	egw = tree->score_eg - egw;
		3163	tb = (mgb * phase + egb * (62 - phase)) / 62;
		3164	tw = (mgw * phase + egw * (62 - phase)) / 62;
		3165	Print(128, "kings..........%s \|", DisplayEvaluation(tb + tw, 1));
		3166	Print(128, " %s", DisplayEvaluation(tw, 1));
		3167	Print(128, " %s", DisplayEvaluation(mgw, 1));
		3168	Print(128, " %s \|", DisplayEvaluation(egw, 1));
		3169	Print(128, " %s", DisplayEvaluation(tb, 1));
		3170	Print(128, " %s", DisplayEvaluation(mgb, 1));
		3171	Print(128, " %s \|\n", DisplayEvaluation(egb, 1));
		3172	mgb = tree->score_mg;
		3173	egb = tree->score_eg;
		3174	EvaluateDevelopment(tree, 1, black);
		3175	mgb = tree->score_mg - mgb;
		3176	egb = tree->score_eg - egb;
		3177	mgw = tree->score_mg;
		3178	egw = tree->score_eg;
		3179	EvaluateDevelopment(tree, 1, white);
		3180	mgw = tree->score_mg - mgw;
		3181	egw = tree->score_eg - egw;
		3182	tb = (mgb * phase + egb * (62 - phase)) / 62;
		3183	tw = (mgw * phase + egw * (62 - phase)) / 62;
		3184	Print(128, "development....%s \|", DisplayEvaluation(tb + tw, 1));
		3185	Print(128, " %s", DisplayEvaluation(tw, 1));
		3186	Print(128, " %s", DisplayEvaluation(mgw, 1));
		3187	Print(128, " %s \|", DisplayEvaluation(egw, 1));
		3188	Print(128, " %s", DisplayEvaluation(tb, 1));
		3189	Print(128, " %s", DisplayEvaluation(mgb, 1));
		3190	Print(128, " %s \|\n", DisplayEvaluation(egb, 1));
		3191	egb = tree->score_eg;
		3192	if ((TotalPieces(white, occupied) == 0 && tree->pawn_score.passed[black])
		3193	\|\| (TotalPieces(black, occupied) == 0 &&
		3194	tree->pawn_score.passed[white]))
		3195	EvaluatePassedPawnRaces(tree, game_wtm);
		3196	egb = tree->score_eg - egb;
		3197	Print(128, "pawn races.....%s", DisplayEvaluation(egb, 1));
		3198	Print(128, " +--------------------------+--------------------------+\n");
		3199	Print(128, "total..........%s\n", DisplayEvaluation(s, 1));
		3200	}
		3201	/*
		3202	************************************************************
		3203	* *
		3204	* "sd" command sets a specific search depth to control *
		3205	* the tree search depth. *
		3206	* *
		3207	************************************************************
		3208	*/
		3209	else if (OptionMatch("sd", *args)) {
		3210	if (nargs < 2) {
		3211	printf("usage: sd <depth>\n");
		3212	return 1;
		3213	}
		3214	search_depth = atoi(args[1]);
		3215	Print(128, "search depth set to %d.\n", search_depth);
		3216	}
		3217	/*
		3218	************************************************************
		3219	* *
		3220	* "show" command enables/disables whether or not we want *
		3221	* show book information as the game is played. *
		3222	* *
		3223	************************************************************
		3224	*/
		3225	else if (OptionMatch("show", *args)) {
		3226	if (nargs < 2) {
		3227	printf("usage: show book\n");
		3228	return 1;
		3229	}
		3230	if (OptionMatch("book", args[1])) {
		3231	show_book = !show_book;
		3232	if (show_book)
		3233	Print(128, "show book statistics\n");
		3234	else
		3235	Print(128, "don't show book statistics\n");
		3236	}
		3237	}
		3238	/*
		3239	************************************************************
		3240	* *
		3241	* "skill" command sets a value from 1-100 that affects *
		3242	* Crafty's playing skill level. 100 => max skill, 1 => *
		3243	* minimal skill. This is used to reduce the chess *
		3244	* knowledge usage, along with other things. *
		3245	* *
		3246	************************************************************
		3247	*/
		3248	#if defined(SKILL)
		3249	else if (OptionMatch("skill", *args)) {
		3250	if (nargs < 2) {
		3251	printf("usage: skill <1-100>\n");
		3252	return 1;
		3253	}
		3254	if (skill != 100) {
		3255	printf("ERROR: skill can only be changed one time in a game\n");
		3256	} else {
		3257	skill = atoi(args[1]);
		3258	if (skill < 1 \|\| skill > 100) {
		3259	printf("ERROR: skill range is 1-100 only\n");
		3260	skill = 100;
		3261	}
		3262	Print(128, "skill level set to %d%%\n", skill);
		3263	null_depth = null_depth * skill / 100;
		3264	check_depth = check_depth * skill / 100;
		3265	LMR_min_reduction = LMR_min_reduction * skill / 100;
		3266	LMR_max_reduction = LMR_max_reduction * skill / 100;
		3267	}
		3268	}
		3269	#endif
		3270	/*
		3271	************************************************************
		3272	* *
		3273	* "smp" command is used to tune the various SMP search *
		3274	* parameters. *
		3275	* *
		3276	* "smpgroup" command is used to control how many threads *
		3277	* may work together at any point in the tree. The *
		3278	* usual default is 6, but this might be reduced on a *
		3279	* machine with a large number of processors. It should *
		3280	* be tested, of course. *
		3281	* *
		3282	* "smpmin" sets the minimum depth the search can split *
		3283	* at to keep it from splitting too near the leaves. *
		3284	* *
		3285	* "smpmt" command is used to set the maximum number of *
		3286	* parallel threads to use, assuming that Crafty was *
		3287	* compiled with -DSMP. This value can not be set *
		3288	* larger than the compiled-in -DCPUS=n value. *
		3289	* *
		3290	* "smpnice" command turns on "nice" mode where idle *
		3291	* processors are terminated between searches to avoid *
		3292	* burning CPU time in the idle loop. *
		3293	* *
		3294	* "smproot" command is used to enable (1) or disable (0) *
		3295	* splitting the tree at the root (ply=1). Splitting at *
		3296	* the root is more efficient, but might slow finding the *
		3297	* move in some test positions. *
		3298	* *
		3299	* "smpsn" sets the minimum number of nodes that must be *
		3300	* searched at any node before we can do a parallel split *
		3301	* to search the remaining moves there in parallel. *
		3302	* *
		3303	************************************************************
		3304	*/
		3305	else if (OptionMatch("smpmin", *args)) {
		3306	if (nargs < 2) {
		3307	printf("usage: smpmin <depth>\n");
		3308	return 1;
		3309	}
		3310	smp_min_split_depth = atoi(args[1]);
		3311	Print(128, "minimum thread depth set to %d.\n", smp_min_split_depth);
		3312	} else if (OptionMatch("smpgroup", *args)) {
		3313	if (nargs < 2) {
		3314	printf("usage: smpgroup <threads>\n");
		3315	return 1;
		3316	}
		3317	smp_split_group = atoi(args[1]);
		3318	Print(128, "maximum thread group size set to %d.\n", smp_split_group);
		3319	} else if (OptionMatch("smpmt", args) \|\| OptionMatch("mt", args)
		3320	\|\| OptionMatch("cores", *args)) {
		3321	int proc;
		3322
		3323	if (nargs < 2) {
		3324	printf("usage: smpmt=<threads>\n");
		3325	return 1;
		3326	}
		3327	if (thinking \|\| pondering)
		3328	return 3;
		3329	allow_cores = 0;
		3330	Print(4095, "Warning-- xboard 'cores' option disabled\n");
		3331	smp_max_threads = atoi(args[1]);
		3332	if (smp_max_threads > CPUS) {
		3333	Print(4095, "ERROR - Crafty was compiled with CPUS=%d.", CPUS);
		3334	Print(4095, " mt can not exceed this value.\n");
		3335	smp_max_threads = CPUS;
		3336	}
		3337	if (smp_max_threads)
		3338	Print(128, "max threads set to %d.\n", smp_max_threads);
		3339	else
		3340	Print(128, "parallel threads disabled.\n");
		3341	for (proc = 1; proc < CPUS; proc++)
		3342	if (proc >= smp_max_threads)
		3343	thread[proc].tree = (TREE *) - 1;
		3344	} else if (OptionMatch("smpnice", *args)) {
		3345	if (nargs < 2) {
		3346	printf("usage: smpnice 0\|1\n");
		3347	return 1;
		3348	}
		3349	smp_nice = atoi(args[1]);
		3350	if (smp_nice)
		3351	Print(128, "SMP terminate extra threads when idle.\n");
		3352	else
		3353	Print(128, "SMP keep extra threads spinning when idle.\n");
		3354	} else if (OptionMatch("smproot", *args)) {
		3355	if (nargs < 2) {
		3356	printf("usage: smproot 0\|1\n");
		3357	return 1;
		3358	}
		3359	smp_split_at_root = atoi(args[1]);
		3360	if (smp_split_at_root)
		3361	Print(128, "SMP search split at ply >= 1.\n");
		3362	else
		3363	Print(128, "SMP search split at ply > 1.\n");
		3364	} else if (OptionMatch("smpsn", *args)) {
		3365	if (nargs < 2) {
		3366	printf("usage: smpsn <nodes>\n");
		3367	return 1;
		3368	}
		3369	smp_split_nodes = atoi(args[1]);
		3370	Print(128, "minimum nodes before a split %d.\n", smp_split_nodes);
		3371	}
		3372	/*
		3373	************************************************************
		3374	* *
		3375	* "sn" command sets a specific number of nodes to search *
		3376	* before stopping. Note: this requires -DNODES as an *
		3377	* option when building Crafty. *
		3378	* *
		3379	************************************************************
		3380	*/
		3381	else if (OptionMatch("sn", *args)) {
		3382	if (nargs < 2) {
		3383	printf("usage: sn <nodes>\n");
		3384	return 1;
		3385	}
		3386	search_nodes = atoi(args[1]);
		3387	Print(128, "search nodes set to %" PRIu64 ".\n", search_nodes);
		3388	ponder = 0;
		3389	}
		3390	/*
		3391	************************************************************
		3392	* *
		3393	* "speech" command turns speech on/off. *
		3394	* *
		3395	************************************************************
		3396	*/
		3397	else if (OptionMatch("speech", *args)) {
		3398	if (nargs < 2) {
		3399	printf("usage: speech on\|off\n");
		3400	return 1;
		3401	}
		3402	if (!strcmp(args[1], "on"))
		3403	speech = 1;
		3404	else if (!strcmp(args[1], "off"))
		3405	speech = 0;
		3406	if (speech)
		3407	Print(4095, "Audio output enabled\n");
		3408	else
		3409	Print(4095, "Audio output disabled\n");
		3410	}
		3411	/*
		3412	************************************************************
		3413	* *
		3414	* "st" command sets a specific search time to control the *
		3415	* tree search time. *
		3416	* *
		3417	************************************************************
		3418	*/
		3419	else if (!strcmp("st", *args)) {
		3420	if (nargs < 2) {
		3421	printf("usage: st <time>\n");
		3422	return 1;
		3423	}
		3424	search_time_limit = (int) (atof(args[1]) * 100); // Pierre-Marie Baty -- added type cast
		3425	Print(128, "search time set to %.2f.\n",
		3426	(float) search_time_limit / 100.0);
		3427	}
		3428	/*
		3429	************************************************************
		3430	* *
		3431	* "surplus" command sets a specific time surplus target *
		3432	* for normal tournament games. *
		3433	* *
		3434	************************************************************
		3435	*/
		3436	else if (OptionMatch("surplus", *args)) {
		3437	if (nargs == 2)
		3438	tc_safety_margin = atoi(args[1]) * 6000;
		3439	Print(128, "time surplus set to %s.\n", DisplayTime(tc_safety_margin));
		3440	}
		3441	/*
		3442	************************************************************
		3443	* *
		3444	* "swindle" command turns swindle mode off/on. *
		3445	* *
		3446	************************************************************
		3447	*/
		3448	else if (OptionMatch("swindle", *args)) {
		3449	if (!strcmp(args[1], "on"))
		3450	swindle_mode = 1;
		3451	else if (!strcmp(args[1], "off"))
		3452	swindle_mode = 0;
		3453	else
		3454	printf("usage: swindle on\|off\n");
		3455	}
		3456	/*
		3457	************************************************************
		3458	* *
		3459	* "tags" command lists the current PGN header tags. *
		3460	* *
		3461	************************************************************
		3462	*/
		3463	else if (OptionMatch("tags", *args)) {
		3464	struct tm *timestruct;
		3465	uint64_t secs;
		3466
		3467	secs = time(0);
		3468	timestruct = localtime((time_t *) & secs);
		3469	printf("[Event \"%s\"]\n", pgn_event);
		3470	printf("[Site \"%s\"]\n", pgn_site);
		3471	printf("[Date \"%4d.%02d.%02d\"]\n", timestruct->tm_year + 1900,
		3472	timestruct->tm_mon + 1, timestruct->tm_mday);
		3473	printf("[Round \"%s\"]\n", pgn_round);
		3474	printf("[White \"%s\"]\n", pgn_white);
		3475	printf("[WhiteElo \"%s\"]\n", pgn_white_elo);
		3476	printf("[Black \"%s\"]\n", pgn_black);
		3477	printf("[BlackElo \"%s\"]\n", pgn_black_elo);
		3478	printf("[Result \"%s\"]\n", pgn_result);
		3479	}
		3480	/*
		3481	************************************************************
		3482	* *
		3483	* "test" command runs a test suite of problems and *
		3484	* displays results. *
		3485	* *
		3486	************************************************************
		3487	*/
		3488	else if (OptionMatch("test", *args)) {
		3489	nargs = ReadParse(buffer, args, "\t ;=");
		3490	if (thinking \|\| pondering)
		3491	return 2;
		3492	if (nargs < 2) {
		3493	printf("usage: test <filename> [exitcnt]\n");
		3494	return 1;
		3495	}
		3496	if (nargs > 2)
		3497	early_exit = atoi(args[2]);
		3498	Test(args[1]);
		3499	ponder_move = 0;
		3500	last_pv.pathd = 0;
		3501	last_pv.pathl = 0;
		3502	}
		3503	/*
		3504	************************************************************
		3505	* *
		3506	* "time" is used to set the basic search timing controls. *
		3507	* The general form of the command is as follows: *
		3508	* *
		3509	* time nmoves/ntime/[nmoves/ntime]/[increment] *
		3510	* *
		3511	* nmoves/ntime represents a traditional first time *
		3512	* control when nmoves is an integer representing the *
		3513	* number of moves and ntime is the total time allowed for *
		3514	* these moves. The [optional] nmoves/ntime is a *
		3515	* traditional secondary time control. Increment is a *
		3516	* feature related to ics play and emulates the fischer *
		3517	* clock where "increment" is added to the time left after *
		3518	* each move is made. *
		3519	* *
		3520	* As an alternative, nmoves can be "sd" which represents *
		3521	* a "sudden death" time control of the remainder of the *
		3522	* game played in ntime. The optional secondary time *
		3523	* control can be a sudden-death time control, as in the *
		3524	* following example: *
		3525	* *
		3526	* time 60/30/sd/30 *
		3527	* *
		3528	* This sets 60 moves in 30 minutes, then game in 30 *
		3529	* additional minutes. An increment can be added if *
		3530	* desired. *
		3531	* *
		3532	************************************************************
		3533	*/
		3534	else if (OptionMatch("time", *args)) {
		3535	if (xboard) {
		3536	tc_time_remaining[root_wtm] = atoi(args[1]);
		3537	if (log_file && time_limit > 99)
		3538	fprintf(log_file, "time remaining: %s (Crafty).\n",
		3539	DisplayTime(tc_time_remaining[root_wtm]));
		3540	} else {
		3541	if (thinking \|\| pondering)
		3542	return 2;
		3543	tc_moves = 60;
		3544	tc_time = 180000;
		3545	tc_moves_remaining[white] = 60;
		3546	tc_moves_remaining[black] = 60;
		3547	tc_time_remaining[white] = 180000;
		3548	tc_time_remaining[black] = 180000;
		3549	tc_secondary_moves = 60;
		3550	tc_secondary_time = 180000;
		3551	tc_increment = 0;
		3552	tc_sudden_death = 0;
		3553	/*
		3554	first let's pick off the basic time control (moves/minutes)
		3555	*/
		3556	if (nargs > 1)
		3557	if (!strcmp(args[1], "sd")) {
		3558	tc_sudden_death = 1;
		3559	tc_moves = 1000;
		3560	}
		3561	if (nargs > 2) {
		3562	tc_moves = atoi(args[1]);
		3563	tc_time = atoi(args[2]) * 100;
		3564	}
		3565	/*
		3566	now let's pick off the secondary time control (moves/minutes)
		3567	*/
		3568	tc_secondary_time = tc_time;
		3569	tc_secondary_moves = tc_moves;
		3570	if (nargs > 4) {
		3571	if (!strcmp(args[3], "sd")) {
		3572	tc_sudden_death = 2;
		3573	tc_secondary_moves = 1000;
		3574	} else
		3575	tc_secondary_moves = atoi(args[3]);
		3576	tc_secondary_time = atoi(args[4]) * 100;
		3577	}
		3578	if (nargs > 5)
		3579	tc_increment = atoi(args[5]) * 100;
		3580	tc_time_remaining[white] = tc_time;
		3581	tc_time_remaining[black] = tc_time;
		3582	tc_moves_remaining[white] = tc_moves;
		3583	tc_moves_remaining[black] = tc_moves;
		3584	if (!tc_sudden_death) {
		3585	Print(128, "%d moves/%d minutes primary time control\n", tc_moves,
		3586	tc_time / 100);
		3587	Print(128, "%d moves/%d minutes secondary time control\n",
		3588	tc_secondary_moves, tc_secondary_time / 100);
		3589	if (tc_increment)
		3590	Print(128, "increment %d seconds.\n", tc_increment / 100);
		3591	} else if (tc_sudden_death == 1) {
		3592	Print(128, " game/%d minutes primary time control\n", tc_time / 100);
		3593	if (tc_increment)
		3594	Print(128, "increment %d seconds.\n", tc_increment / 100);
		3595	} else if (tc_sudden_death == 2) {
		3596	Print(128, "%d moves/%d minutes primary time control\n", tc_moves,
		3597	tc_time / 100);
		3598	Print(128, "game/%d minutes secondary time control\n",
		3599	tc_secondary_time / 100);
		3600	if (tc_increment)
		3601	Print(128, "increment %d seconds.\n", tc_increment / 100);
		3602	}
		3603	tc_time *= 60;
		3604	tc_time_remaining[white] *= 60;
		3605	tc_time_remaining[black] *= 60;
		3606	tc_secondary_time *= 60;
		3607	tc_safety_margin = tc_time / 6;
		3608	}
		3609	}
		3610	/*
		3611	************************************************************
		3612	* *
		3613	* "timebook" command is used to adjust Crafty's time *
		3614	* usage after it leaves the opening book. The first *
		3615	* value specifies the multiplier for the time added to *
		3616	* the first move out of book expressed as a percentage *
		3617	* (100 is 100% for example). The second value specifies *
		3618	* the "span" (number of moves) that this multiplier *
		3619	* decays over. For example, "timebook 100 10" says to *
		3620	* add 100% of the normal search time for the first move *
		3621	* out of book, then 90% for the next, until after 10 *
		3622	* non-book moves have been played, the percentage has *
		3623	* dropped back to 0 where it will stay for the rest of *
		3624	* the game. *
		3625	* *
		3626	************************************************************
		3627	*/
		3628	else if (OptionMatch("timebook", *args)) {
		3629	if (nargs < 3) {
		3630	printf("usage: timebook <percentage> <move span>\n");
		3631	return 1;
		3632	}
		3633	first_nonbook_factor = atoi(args[1]);
		3634	first_nonbook_span = atoi(args[2]);
		3635	if (first_nonbook_factor < 0 \|\| first_nonbook_factor > 500) {
		3636	Print(4095, "ERROR, factor must be >= 0 and <= 500\n");
		3637	first_nonbook_factor = 0;
		3638	}
		3639	if (first_nonbook_span < 0 \|\| first_nonbook_span > 30) {
		3640	Print(4095, "ERROR, span must be >= 0 and <= 30\n");
		3641	first_nonbook_span = 0;
		3642	}
		3643	}
		3644	/*
		3645	************************************************************
		3646	* *
		3647	* "trace" command sets the search trace level which will *
		3648	* dump the tree as it is searched. *
		3649	* *
		3650	************************************************************
		3651	*/
		3652	else if (OptionMatch("trace", *args)) {
		3653	#if !defined(TRACE)
		3654	printf
		3655	("Sorry, but I can't display traces unless compiled with -DTRACE\n");
		3656	#endif
		3657	if (nargs < 2) {
		3658	printf("usage: trace <depth>\n");
		3659	return 1;
		3660	}
		3661	trace_level = atoi(args[1]);
		3662	printf("trace=%d\n", trace_level);
		3663	}
		3664	/*
		3665	************************************************************
		3666	* *
		3667	* "undo" command backs up 1/2 move, which leaves the *
		3668	* opposite side on move. [xboard compatibility] *
		3669	* *
		3670	************************************************************
		3671	*/
		3672	else if (!strcmp("undo", *args)) {
		3673	if (thinking \|\| pondering)
		3674	return 2;
		3675	if (!game_wtm \|\| move_number != 1) {
		3676	game_wtm = Flip(game_wtm);
		3677	if (Flip(game_wtm))
		3678	move_number--;
		3679	sprintf_s(buffer, sizeof (buffer), "reset %d", move_number); // Pierre-Marie Baty -- use safe version
		3680	(void) Option(tree);
		3681	}
		3682	}
		3683	/*
		3684	*****************************************************************
		3685	* *
		3686	* "usage" command controls the time usage multiplier factors *
		3687	* used in the game - percentage increase or decrease in time *
		3688	* used up front. Enter a number between 1 to 100 for the % *
		3689	* decrease (negative value) or to increase (positive value) *
		3690	* although other time limitation controls may kick in. This *
		3691	* more commonly used in the .craftyrc/crafty.rc file. *
		3692	* *
		3693	*****************************************************************
		3694	*/
		3695	else if (OptionMatch("usage", *args)) {
		3696	if (nargs < 2) {
		3697	printf("usage: usage <percentage>\n");
		3698	return 1;
		3699	}
		3700	usage_level = atoi(args[1]);
		3701	if (usage_level > 50)
		3702	usage_level = 50;
		3703	else if (usage_level < -50)
		3704	usage_level = -50;
		3705	Print(128,
		3706	"time usage up front set to %d percent increase/(-)decrease.\n",
		3707	usage_level);
		3708	}
		3709	/*
		3710	************************************************************
		3711	* *
		3712	* "variant" command sets the wild variant being played *
		3713	* on a chess server. [xboard compatibility]. *
		3714	* *
		3715	************************************************************
		3716	*/
		3717	else if (OptionMatch("variant", *args)) {
		3718	if (thinking \|\| pondering)
		3719	return 2;
		3720	printf("command=[%s]\n", buffer);
		3721	return -1;
		3722	}
		3723	/*
		3724	************************************************************
		3725	* *
		3726	* "whisper" command sets whisper mode for ICS. =1 will *
		3727	* whisper mate announcements, =2 will whisper scores and *
		3728	* other info, =3 will whisper scores and PV, =4 adds the *
		3729	* list of book moves, =5 displays the PV after each *
		3730	* iteration completes, and =6 displays the PV each time *
		3731	* it changes in an iteration. *
		3732	* *
		3733	************************************************************
		3734	*/
		3735	else if (OptionMatch("whisper", *args)) {
		3736	if (nargs < 2) {
		3737	printf("usage: whisper <level>\n");
		3738	return 1;
		3739	}
		3740	kibitz = 16 + atoi(args[1]);
		3741	}
		3742	/*
		3743	************************************************************
		3744	* *
		3745	* "wild" command sets up an ICS wild position (only 7 at *
		3746	* present, but any can be added easily, except for those *
		3747	* that Crafty simply can't play (two kings, invisible *
		3748	* pieces, etc.) *
		3749	* *
		3750	************************************************************
		3751	*/
		3752	else if (OptionMatch("wild", *args)) {
		3753	int i;
		3754
		3755	if (nargs < 2) {
		3756	printf("usage: wild <value>\n");
		3757	return 1;
		3758	}
		3759	i = atoi(args[1]);
		3760	switch (i) {
		3761	case 7:
		3762	strcpy_s(buffer, sizeof (buffer), "setboard 4k/5ppp/////PPP/3K/ w"); // Pierre-Marie Baty -- use safe version
		3763	(void) Option(tree);
		3764	break;
		3765	default:
		3766	printf("sorry, only wild7 implemented at present\n");
		3767	break;
		3768	}
		3769	}
		3770	/*
		3771	************************************************************
		3772	* *
		3773	* "white" command sets white to move (wtm). *
		3774	* *
		3775	************************************************************
		3776	*/
		3777	else if (OptionMatch("white", *args)) {
		3778	if (thinking \|\| pondering)
		3779	return 2;
		3780	ponder_move = 0;
		3781	last_pv.pathd = 0;
		3782	last_pv.pathl = 0;
		3783	if (!game_wtm)
		3784	Pass();
		3785	force = 0;
		3786	}
		3787	/*
		3788	************************************************************
		3789	* *
		3790	* "xboard" command is normally invoked from main() via *
		3791	* the xboard command-line option. It sets proper *
		3792	* defaults for Xboard interface requirements. *
		3793	* *
		3794	************************************************************
		3795	*/
		3796	else if (OptionMatch("xboard", args) \|\| OptionMatch("winboard", args)) {
		3797	if (!xboard) {
		3798	signal(SIGINT, SIG_IGN);
		3799	xboard = 1;
		3800	display_options &= 4095 - 1 - 2 - 4 - 8 - 16 - 32 - 128;
		3801	printf("\n");
		3802	printf("tellicsnoalias set 1 Crafty v%s (%d cpus)\n", version, Max(1,
		3803	smp_max_threads));
		3804	printf("tellicsnoalias kibitz Hello from Crafty v%s! (%d cpus)\n",
		3805	version, Max(1, smp_max_threads));
		3806	fflush(stdout);
		3807	}
		3808	}
		3809	/*
		3810	************************************************************
		3811	* *
		3812	* "?" command does nothing, but since this is the "move *
		3813	* now" keystroke, if Crafty is not searching, this will *
		3814	* simply "wave it off" rather than produce an error. *
		3815	* *
		3816	************************************************************
		3817	*/
		3818	else if (OptionMatch("?", *args)) {
		3819	}
		3820	/*
		3821	************************************************************
		3822	* *
		3823	* unknown command, it must be a move. *
		3824	* *
		3825	************************************************************
		3826	*/
		3827	else
		3828	return 0;
		3829	/*
		3830	************************************************************
		3831	* *
		3832	* command executed, return for another. *
		3833	* *
		3834	************************************************************
		3835	*/
		3836	return 1;
		3837	}
		3838
		3839	/*
		3840	*******************************************************************************
		3841	* *
		3842	* OptionMatch() is used to recognize user commands. It requires that the *
		3843	* command (text input which is the 2nd parameter conform to the following *
		3844	* simple rules: *
		3845	* *
		3846	* 1. The input must match the command, starting at the left-most *
		3847	* character. *
		3848	* 2. If the command starts with a sequence of characters that could *
		3849	* be interpreted as a chess move as well (re for reset and/or rook *
		3850	* to the e-file) then the input must match enough of the command *
		3851	* to get past the ambiguity (res would be minimum we will accept *
		3852	* for the reset command.) *
		3853	* *
		3854	*******************************************************************************
		3855	*/
		3856	int OptionMatch(char command, char input) {
		3857	/*
		3858	************************************************************
		3859	* *
		3860	* check for the obvious exact match first. *
		3861	* *
		3862	************************************************************
		3863	*/
		3864	if (!strcmp(command, input))
		3865	return 1;
		3866	/*
		3867	************************************************************
		3868	* *
		3869	* now use strstr() to see if "input" is in "command." the *
		3870	* first requirement is that input matches command *
		3871	* starting at the very left-most character. *
		3872	* *
		3873	************************************************************
		3874	*/
		3875	if (strstr(command, input) == command)
		3876	return 1;
		3877	return 0;
		3878	}
		3879	void OptionPerft(TREE * RESTRICT tree, int ply, int depth, int wtm) {
		3880	int *mv;
		3881	#if defined(TRACE)
		3882	static char line[256];
		3883	static char move[16], *p[64];
		3884	#endif
		3885	tree->last[ply] = GenerateCaptures(tree, ply, wtm, tree->last[ply - 1]);
		3886	for (mv = tree->last[ply - 1]; mv < tree->last[ply]; mv++)
		3887	if (Captured(*mv) == king)
		3888	return;
		3889	tree->last[ply] = GenerateNoncaptures(tree, ply, wtm, tree->last[ply]);
		3890	#if defined(TRACE)
		3891	p[1] = line;
		3892	#endif
		3893	for (mv = tree->last[ply - 1]; mv < tree->last[ply]; mv++) {
		3894	#if defined(TRACE)
		3895	strcpy_s(move, sizeof (move), OutputMove(tree, *mv, ply, wtm)); // Pierre-Marie Baty -- use safe version
		3896	#endif
		3897	MakeMove(tree, ply, *mv, wtm);
		3898	#if defined(TRACE)
		3899	if (ply <= trace_level) {
		3900	strcpy(p[ply], move);
		3901	strcat_s(line, sizeof (line), " "); // Pierre-Marie Baty -- use safe version
		3902	p[ply + 1] = line + strlen(line);
		3903	if (ply == trace_level)
		3904	printf("%s\n", line);
		3905	}
		3906	#endif
		3907	if (depth - 1)
		3908	OptionPerft(tree, ply + 1, depth - 1, Flip(wtm));
		3909	else if (!Check(wtm))
		3910	total_moves++;
		3911	UnmakeMove(tree, ply, *mv, wtm);
		3912	}
		3913	}

Subversion Repositories Games.Chess Giants

Games.Chess Giants//engine-crafty/option.c – Rev 33