2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 #define DoSleep( n ) if( (n) != 0 ) Sleep( (n) );
62 #define DoSleep( n ) if( (n) >= 0) sleep(n)
72 #include <sys/types.h>
81 #else /* not STDC_HEADERS */
84 # else /* not HAVE_STRING_H */
86 # endif /* not HAVE_STRING_H */
87 #endif /* not STDC_HEADERS */
90 # include <sys/fcntl.h>
91 #else /* not HAVE_SYS_FCNTL_H */
94 # endif /* HAVE_FCNTL_H */
95 #endif /* not HAVE_SYS_FCNTL_H */
97 #if TIME_WITH_SYS_TIME
98 # include <sys/time.h>
102 # include <sys/time.h>
108 #if defined(_amigados) && !defined(__GNUC__)
113 extern int gettimeofday(struct timeval *, struct timezone *);
121 #include "frontend.h"
128 #include "backendz.h"
132 # define _(s) gettext (s)
133 # define N_(s) gettext_noop (s)
140 /* A point in time */
142 long sec; /* Assuming this is >= 32 bits */
143 int ms; /* Assuming this is >= 16 bits */
146 int establish P((void));
147 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
148 char *buf, int count, int error));
149 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
150 char *buf, int count, int error));
151 void ics_printf P((char *format, ...));
152 void SendToICS P((char *s));
153 void SendToICSDelayed P((char *s, long msdelay));
154 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY,
156 void HandleMachineMove P((char *message, ChessProgramState *cps));
157 int AutoPlayOneMove P((void));
158 int LoadGameOneMove P((ChessMove readAhead));
159 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
160 int LoadPositionFromFile P((char *filename, int n, char *title));
161 int SavePositionToFile P((char *filename));
162 void ApplyMove P((int fromX, int fromY, int toX, int toY, int promoChar,
164 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
165 void ShowMove P((int fromX, int fromY, int toX, int toY));
166 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
167 /*char*/int promoChar));
168 void BackwardInner P((int target));
169 void ForwardInner P((int target));
170 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
171 void EditPositionDone P((Boolean fakeRights));
172 void PrintOpponents P((FILE *fp));
173 void PrintPosition P((FILE *fp, int move));
174 void StartChessProgram P((ChessProgramState *cps));
175 void SendToProgram P((char *message, ChessProgramState *cps));
176 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
177 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
178 char *buf, int count, int error));
179 void SendTimeControl P((ChessProgramState *cps,
180 int mps, long tc, int inc, int sd, int st));
181 char *TimeControlTagValue P((void));
182 void Attention P((ChessProgramState *cps));
183 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
184 void ResurrectChessProgram P((void));
185 void DisplayComment P((int moveNumber, char *text));
186 void DisplayMove P((int moveNumber));
188 void ParseGameHistory P((char *game));
189 void ParseBoard12 P((char *string));
190 void StartClocks P((void));
191 void SwitchClocks P((void));
192 void StopClocks P((void));
193 void ResetClocks P((void));
194 char *PGNDate P((void));
195 void SetGameInfo P((void));
196 Boolean ParseFEN P((Board board, int *blackPlaysFirst, char *fen));
197 int RegisterMove P((void));
198 void MakeRegisteredMove P((void));
199 void TruncateGame P((void));
200 int looking_at P((char *, int *, char *));
201 void CopyPlayerNameIntoFileName P((char **, char *));
202 char *SavePart P((char *));
203 int SaveGameOldStyle P((FILE *));
204 int SaveGamePGN P((FILE *));
205 void GetTimeMark P((TimeMark *));
206 long SubtractTimeMarks P((TimeMark *, TimeMark *));
207 int CheckFlags P((void));
208 long NextTickLength P((long));
209 void CheckTimeControl P((void));
210 void show_bytes P((FILE *, char *, int));
211 int string_to_rating P((char *str));
212 void ParseFeatures P((char* args, ChessProgramState *cps));
213 void InitBackEnd3 P((void));
214 void FeatureDone P((ChessProgramState* cps, int val));
215 void InitChessProgram P((ChessProgramState *cps, int setup));
216 void OutputKibitz(int window, char *text);
217 int PerpetualChase(int first, int last);
218 int EngineOutputIsUp();
219 void InitDrawingSizes(int x, int y);
222 extern void ConsoleCreate();
225 ChessProgramState *WhitePlayer();
226 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
227 int VerifyDisplayMode P(());
229 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
230 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
231 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
232 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
233 void ics_update_width P((int new_width));
234 extern char installDir[MSG_SIZ];
236 extern int tinyLayout, smallLayout;
237 ChessProgramStats programStats;
238 static int exiting = 0; /* [HGM] moved to top */
239 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
240 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
241 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
242 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
243 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
244 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
245 int opponentKibitzes;
246 int lastSavedGame; /* [HGM] save: ID of game */
247 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
248 extern int chatCount;
251 /* States for ics_getting_history */
253 #define H_REQUESTED 1
254 #define H_GOT_REQ_HEADER 2
255 #define H_GOT_UNREQ_HEADER 3
256 #define H_GETTING_MOVES 4
257 #define H_GOT_UNWANTED_HEADER 5
259 /* whosays values for GameEnds */
268 /* Maximum number of games in a cmail message */
269 #define CMAIL_MAX_GAMES 20
271 /* Different types of move when calling RegisterMove */
273 #define CMAIL_RESIGN 1
275 #define CMAIL_ACCEPT 3
277 /* Different types of result to remember for each game */
278 #define CMAIL_NOT_RESULT 0
279 #define CMAIL_OLD_RESULT 1
280 #define CMAIL_NEW_RESULT 2
282 /* Telnet protocol constants */
293 static char * safeStrCpy( char * dst, const char * src, size_t count )
295 assert( dst != NULL );
296 assert( src != NULL );
299 strncpy( dst, src, count );
300 dst[ count-1 ] = '\0';
304 /* Some compiler can't cast u64 to double
305 * This function do the job for us:
307 * We use the highest bit for cast, this only
308 * works if the highest bit is not
309 * in use (This should not happen)
311 * We used this for all compiler
314 u64ToDouble(u64 value)
317 u64 tmp = value & u64Const(0x7fffffffffffffff);
318 r = (double)(s64)tmp;
319 if (value & u64Const(0x8000000000000000))
320 r += 9.2233720368547758080e18; /* 2^63 */
324 /* Fake up flags for now, as we aren't keeping track of castling
325 availability yet. [HGM] Change of logic: the flag now only
326 indicates the type of castlings allowed by the rule of the game.
327 The actual rights themselves are maintained in the array
328 castlingRights, as part of the game history, and are not probed
334 int flags = F_ALL_CASTLE_OK;
335 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
336 switch (gameInfo.variant) {
338 flags &= ~F_ALL_CASTLE_OK;
339 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
340 flags |= F_IGNORE_CHECK;
342 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
345 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
347 case VariantKriegspiel:
348 flags |= F_KRIEGSPIEL_CAPTURE;
350 case VariantCapaRandom:
351 case VariantFischeRandom:
352 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
353 case VariantNoCastle:
354 case VariantShatranj:
356 flags &= ~F_ALL_CASTLE_OK;
364 FILE *gameFileFP, *debugFP;
367 [AS] Note: sometimes, the sscanf() function is used to parse the input
368 into a fixed-size buffer. Because of this, we must be prepared to
369 receive strings as long as the size of the input buffer, which is currently
370 set to 4K for Windows and 8K for the rest.
371 So, we must either allocate sufficiently large buffers here, or
372 reduce the size of the input buffer in the input reading part.
375 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
376 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
377 char thinkOutput1[MSG_SIZ*10];
379 ChessProgramState first, second;
381 /* premove variables */
384 int premoveFromX = 0;
385 int premoveFromY = 0;
386 int premovePromoChar = 0;
388 Boolean alarmSounded;
389 /* end premove variables */
391 char *ics_prefix = "$";
392 int ics_type = ICS_GENERIC;
394 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
395 int pauseExamForwardMostMove = 0;
396 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
397 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
398 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
399 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
400 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
401 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
402 int whiteFlag = FALSE, blackFlag = FALSE;
403 int userOfferedDraw = FALSE;
404 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
405 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
406 int cmailMoveType[CMAIL_MAX_GAMES];
407 long ics_clock_paused = 0;
408 ProcRef icsPR = NoProc, cmailPR = NoProc;
409 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
410 GameMode gameMode = BeginningOfGame;
411 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
412 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
413 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
414 int hiddenThinkOutputState = 0; /* [AS] */
415 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
416 int adjudicateLossPlies = 6;
417 char white_holding[64], black_holding[64];
418 TimeMark lastNodeCountTime;
419 long lastNodeCount=0;
420 int have_sent_ICS_logon = 0;
422 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement;
423 long timeControl_2; /* [AS] Allow separate time controls */
424 char *fullTimeControlString = NULL; /* [HGM] secondary TC: merge of MPS, TC and inc */
425 long timeRemaining[2][MAX_MOVES];
427 TimeMark programStartTime;
428 char ics_handle[MSG_SIZ];
429 int have_set_title = 0;
431 /* animateTraining preserves the state of appData.animate
432 * when Training mode is activated. This allows the
433 * response to be animated when appData.animate == TRUE and
434 * appData.animateDragging == TRUE.
436 Boolean animateTraining;
442 Board boards[MAX_MOVES];
443 /* [HGM] Following 7 needed for accurate legality tests: */
444 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
445 signed char initialRights[BOARD_FILES];
446 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
447 int initialRulePlies, FENrulePlies;
448 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
451 int mute; // mute all sounds
453 // [HGM] vari: next 12 to save and restore variations
454 #define MAX_VARIATIONS 10
455 int framePtr = MAX_MOVES-1; // points to free stack entry
457 int savedFirst[MAX_VARIATIONS];
458 int savedLast[MAX_VARIATIONS];
459 int savedFramePtr[MAX_VARIATIONS];
460 char *savedDetails[MAX_VARIATIONS];
461 ChessMove savedResult[MAX_VARIATIONS];
463 void PushTail P((int firstMove, int lastMove));
464 Boolean PopTail P((Boolean annotate));
465 void CleanupTail P((void));
467 ChessSquare FIDEArray[2][BOARD_FILES] = {
468 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
469 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
470 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
471 BlackKing, BlackBishop, BlackKnight, BlackRook }
474 ChessSquare twoKingsArray[2][BOARD_FILES] = {
475 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
476 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
477 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
478 BlackKing, BlackKing, BlackKnight, BlackRook }
481 ChessSquare KnightmateArray[2][BOARD_FILES] = {
482 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
483 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
484 { BlackRook, BlackMan, BlackBishop, BlackQueen,
485 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
488 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
489 { WhiteCannon, WhiteNightrider, WhiteAlfil, WhiteQueen,
490 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
491 { BlackCannon, BlackNightrider, BlackAlfil, BlackQueen,
492 BlackKing, BlackBishop, BlackKnight, BlackRook }
495 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
496 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
497 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
498 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
499 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
503 #if (BOARD_FILES>=10)
504 ChessSquare ShogiArray[2][BOARD_FILES] = {
505 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
506 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
507 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
508 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
511 ChessSquare XiangqiArray[2][BOARD_FILES] = {
512 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
513 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
514 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
515 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
518 ChessSquare CapablancaArray[2][BOARD_FILES] = {
519 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
520 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
521 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
522 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
525 ChessSquare GreatArray[2][BOARD_FILES] = {
526 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
527 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
528 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
529 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
532 ChessSquare JanusArray[2][BOARD_FILES] = {
533 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
534 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
535 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
536 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
540 ChessSquare GothicArray[2][BOARD_FILES] = {
541 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
542 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
543 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
544 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
547 #define GothicArray CapablancaArray
551 ChessSquare FalconArray[2][BOARD_FILES] = {
552 { WhiteRook, WhiteKnight, WhiteBishop, WhiteLance, WhiteQueen,
553 WhiteKing, WhiteLance, WhiteBishop, WhiteKnight, WhiteRook },
554 { BlackRook, BlackKnight, BlackBishop, BlackLance, BlackQueen,
555 BlackKing, BlackLance, BlackBishop, BlackKnight, BlackRook }
558 #define FalconArray CapablancaArray
561 #else // !(BOARD_FILES>=10)
562 #define XiangqiPosition FIDEArray
563 #define CapablancaArray FIDEArray
564 #define GothicArray FIDEArray
565 #define GreatArray FIDEArray
566 #endif // !(BOARD_FILES>=10)
568 #if (BOARD_FILES>=12)
569 ChessSquare CourierArray[2][BOARD_FILES] = {
570 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
571 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
572 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
573 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
575 #else // !(BOARD_FILES>=12)
576 #define CourierArray CapablancaArray
577 #endif // !(BOARD_FILES>=12)
580 Board initialPosition;
583 /* Convert str to a rating. Checks for special cases of "----",
585 "++++", etc. Also strips ()'s */
587 string_to_rating(str)
590 while(*str && !isdigit(*str)) ++str;
592 return 0; /* One of the special "no rating" cases */
600 /* Init programStats */
601 programStats.movelist[0] = 0;
602 programStats.depth = 0;
603 programStats.nr_moves = 0;
604 programStats.moves_left = 0;
605 programStats.nodes = 0;
606 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
607 programStats.score = 0;
608 programStats.got_only_move = 0;
609 programStats.got_fail = 0;
610 programStats.line_is_book = 0;
616 int matched, min, sec;
618 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
620 GetTimeMark(&programStartTime);
621 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
624 programStats.ok_to_send = 1;
625 programStats.seen_stat = 0;
628 * Initialize game list
634 * Internet chess server status
636 if (appData.icsActive) {
637 appData.matchMode = FALSE;
638 appData.matchGames = 0;
640 appData.noChessProgram = !appData.zippyPlay;
642 appData.zippyPlay = FALSE;
643 appData.zippyTalk = FALSE;
644 appData.noChessProgram = TRUE;
646 if (*appData.icsHelper != NULLCHAR) {
647 appData.useTelnet = TRUE;
648 appData.telnetProgram = appData.icsHelper;
651 appData.zippyTalk = appData.zippyPlay = FALSE;
654 /* [AS] Initialize pv info list [HGM] and game state */
658 for( i=0; i<=framePtr; i++ ) {
659 pvInfoList[i].depth = -1;
660 boards[i][EP_STATUS] = EP_NONE;
661 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
666 * Parse timeControl resource
668 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
669 appData.movesPerSession)) {
671 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
672 DisplayFatalError(buf, 0, 2);
676 * Parse searchTime resource
678 if (*appData.searchTime != NULLCHAR) {
679 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
681 searchTime = min * 60;
682 } else if (matched == 2) {
683 searchTime = min * 60 + sec;
686 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
687 DisplayFatalError(buf, 0, 2);
691 /* [AS] Adjudication threshold */
692 adjudicateLossThreshold = appData.adjudicateLossThreshold;
694 first.which = "first";
695 second.which = "second";
696 first.maybeThinking = second.maybeThinking = FALSE;
697 first.pr = second.pr = NoProc;
698 first.isr = second.isr = NULL;
699 first.sendTime = second.sendTime = 2;
700 first.sendDrawOffers = 1;
701 if (appData.firstPlaysBlack) {
702 first.twoMachinesColor = "black\n";
703 second.twoMachinesColor = "white\n";
705 first.twoMachinesColor = "white\n";
706 second.twoMachinesColor = "black\n";
708 first.program = appData.firstChessProgram;
709 second.program = appData.secondChessProgram;
710 first.host = appData.firstHost;
711 second.host = appData.secondHost;
712 first.dir = appData.firstDirectory;
713 second.dir = appData.secondDirectory;
714 first.other = &second;
715 second.other = &first;
716 first.initString = appData.initString;
717 second.initString = appData.secondInitString;
718 first.computerString = appData.firstComputerString;
719 second.computerString = appData.secondComputerString;
720 first.useSigint = second.useSigint = TRUE;
721 first.useSigterm = second.useSigterm = TRUE;
722 first.reuse = appData.reuseFirst;
723 second.reuse = appData.reuseSecond;
724 first.nps = appData.firstNPS; // [HGM] nps: copy nodes per second
725 second.nps = appData.secondNPS;
726 first.useSetboard = second.useSetboard = FALSE;
727 first.useSAN = second.useSAN = FALSE;
728 first.usePing = second.usePing = FALSE;
729 first.lastPing = second.lastPing = 0;
730 first.lastPong = second.lastPong = 0;
731 first.usePlayother = second.usePlayother = FALSE;
732 first.useColors = second.useColors = TRUE;
733 first.useUsermove = second.useUsermove = FALSE;
734 first.sendICS = second.sendICS = FALSE;
735 first.sendName = second.sendName = appData.icsActive;
736 first.sdKludge = second.sdKludge = FALSE;
737 first.stKludge = second.stKludge = FALSE;
738 TidyProgramName(first.program, first.host, first.tidy);
739 TidyProgramName(second.program, second.host, second.tidy);
740 first.matchWins = second.matchWins = 0;
741 strcpy(first.variants, appData.variant);
742 strcpy(second.variants, appData.variant);
743 first.analysisSupport = second.analysisSupport = 2; /* detect */
744 first.analyzing = second.analyzing = FALSE;
745 first.initDone = second.initDone = FALSE;
747 /* New features added by Tord: */
748 first.useFEN960 = FALSE; second.useFEN960 = FALSE;
749 first.useOOCastle = TRUE; second.useOOCastle = TRUE;
750 /* End of new features added by Tord. */
751 first.fenOverride = appData.fenOverride1;
752 second.fenOverride = appData.fenOverride2;
754 /* [HGM] time odds: set factor for each machine */
755 first.timeOdds = appData.firstTimeOdds;
756 second.timeOdds = appData.secondTimeOdds;
758 if(appData.timeOddsMode) {
759 norm = first.timeOdds;
760 if(norm > second.timeOdds) norm = second.timeOdds;
762 first.timeOdds /= norm;
763 second.timeOdds /= norm;
766 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
767 first.accumulateTC = appData.firstAccumulateTC;
768 second.accumulateTC = appData.secondAccumulateTC;
769 first.maxNrOfSessions = second.maxNrOfSessions = 1;
772 first.debug = second.debug = FALSE;
773 first.supportsNPS = second.supportsNPS = UNKNOWN;
776 first.optionSettings = appData.firstOptions;
777 second.optionSettings = appData.secondOptions;
779 first.scoreIsAbsolute = appData.firstScoreIsAbsolute; /* [AS] */
780 second.scoreIsAbsolute = appData.secondScoreIsAbsolute; /* [AS] */
781 first.isUCI = appData.firstIsUCI; /* [AS] */
782 second.isUCI = appData.secondIsUCI; /* [AS] */
783 first.hasOwnBookUCI = appData.firstHasOwnBookUCI; /* [AS] */
784 second.hasOwnBookUCI = appData.secondHasOwnBookUCI; /* [AS] */
786 if (appData.firstProtocolVersion > PROTOVER ||
787 appData.firstProtocolVersion < 1) {
789 sprintf(buf, _("protocol version %d not supported"),
790 appData.firstProtocolVersion);
791 DisplayFatalError(buf, 0, 2);
793 first.protocolVersion = appData.firstProtocolVersion;
796 if (appData.secondProtocolVersion > PROTOVER ||
797 appData.secondProtocolVersion < 1) {
799 sprintf(buf, _("protocol version %d not supported"),
800 appData.secondProtocolVersion);
801 DisplayFatalError(buf, 0, 2);
803 second.protocolVersion = appData.secondProtocolVersion;
806 if (appData.icsActive) {
807 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
808 // } else if (*appData.searchTime != NULLCHAR || appData.noChessProgram) {
809 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
810 appData.clockMode = FALSE;
811 first.sendTime = second.sendTime = 0;
815 /* Override some settings from environment variables, for backward
816 compatibility. Unfortunately it's not feasible to have the env
817 vars just set defaults, at least in xboard. Ugh.
819 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
824 if (appData.noChessProgram) {
825 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
826 sprintf(programVersion, "%s", PACKAGE_STRING);
828 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
829 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
830 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
833 if (!appData.icsActive) {
835 /* Check for variants that are supported only in ICS mode,
836 or not at all. Some that are accepted here nevertheless
837 have bugs; see comments below.
839 VariantClass variant = StringToVariant(appData.variant);
841 case VariantBughouse: /* need four players and two boards */
842 case VariantKriegspiel: /* need to hide pieces and move details */
843 /* case VariantFischeRandom: (Fabien: moved below) */
844 sprintf(buf, _("Variant %s supported only in ICS mode"), appData.variant);
845 DisplayFatalError(buf, 0, 2);
849 case VariantLoadable:
859 sprintf(buf, _("Unknown variant name %s"), appData.variant);
860 DisplayFatalError(buf, 0, 2);
863 case VariantXiangqi: /* [HGM] repetition rules not implemented */
864 case VariantFairy: /* [HGM] TestLegality definitely off! */
865 case VariantGothic: /* [HGM] should work */
866 case VariantCapablanca: /* [HGM] should work */
867 case VariantCourier: /* [HGM] initial forced moves not implemented */
868 case VariantShogi: /* [HGM] drops not tested for legality */
869 case VariantKnightmate: /* [HGM] should work */
870 case VariantCylinder: /* [HGM] untested */
871 case VariantFalcon: /* [HGM] untested */
872 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
873 offboard interposition not understood */
874 case VariantNormal: /* definitely works! */
875 case VariantWildCastle: /* pieces not automatically shuffled */
876 case VariantNoCastle: /* pieces not automatically shuffled */
877 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
878 case VariantLosers: /* should work except for win condition,
879 and doesn't know captures are mandatory */
880 case VariantSuicide: /* should work except for win condition,
881 and doesn't know captures are mandatory */
882 case VariantGiveaway: /* should work except for win condition,
883 and doesn't know captures are mandatory */
884 case VariantTwoKings: /* should work */
885 case VariantAtomic: /* should work except for win condition */
886 case Variant3Check: /* should work except for win condition */
887 case VariantShatranj: /* should work except for all win conditions */
888 case VariantBerolina: /* might work if TestLegality is off */
889 case VariantCapaRandom: /* should work */
890 case VariantJanus: /* should work */
891 case VariantSuper: /* experimental */
892 case VariantGreat: /* experimental, requires legality testing to be off */
897 InitEngineUCI( installDir, &first ); // [HGM] moved here from winboard.c, to make available in xboard
898 InitEngineUCI( installDir, &second );
901 int NextIntegerFromString( char ** str, long * value )
906 while( *s == ' ' || *s == '\t' ) {
912 if( *s >= '0' && *s <= '9' ) {
913 while( *s >= '0' && *s <= '9' ) {
914 *value = *value * 10 + (*s - '0');
926 int NextTimeControlFromString( char ** str, long * value )
929 int result = NextIntegerFromString( str, &temp );
932 *value = temp * 60; /* Minutes */
935 result = NextIntegerFromString( str, &temp );
936 *value += temp; /* Seconds */
943 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc)
944 { /* [HGM] routine added to read '+moves/time' for secondary time control */
945 int result = -1; long temp, temp2;
947 if(**str != '+') return -1; // old params remain in force!
949 if( NextTimeControlFromString( str, &temp ) ) return -1;
952 /* time only: incremental or sudden-death time control */
953 if(**str == '+') { /* increment follows; read it */
955 if(result = NextIntegerFromString( str, &temp2)) return -1;
958 *moves = 0; *tc = temp * 1000;
960 } else if(temp % 60 != 0) return -1; /* moves was given as min:sec */
962 (*str)++; /* classical time control */
963 result = NextTimeControlFromString( str, &temp2);
972 int GetTimeQuota(int movenr)
973 { /* [HGM] get time to add from the multi-session time-control string */
974 int moves=1; /* kludge to force reading of first session */
975 long time, increment;
976 char *s = fullTimeControlString;
978 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", fullTimeControlString);
980 if(moves) NextSessionFromString(&s, &moves, &time, &increment);
981 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
982 if(movenr == -1) return time; /* last move before new session */
983 if(!moves) return increment; /* current session is incremental */
984 if(movenr >= 0) movenr -= moves; /* we already finished this session */
985 } while(movenr >= -1); /* try again for next session */
987 return 0; // no new time quota on this move
991 ParseTimeControl(tc, ti, mps)
1000 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1003 sprintf(buf, "+%d/%s+%d", mps, tc, ti);
1004 else sprintf(buf, "+%s+%d", tc, ti);
1007 sprintf(buf, "+%d/%s", mps, tc);
1008 else sprintf(buf, "+%s", tc);
1010 fullTimeControlString = StrSave(buf);
1012 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1017 /* Parse second time control */
1020 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1028 timeControl_2 = tc2 * 1000;
1038 timeControl = tc1 * 1000;
1041 timeIncrement = ti * 1000; /* convert to ms */
1042 movesPerSession = 0;
1045 movesPerSession = mps;
1053 if (appData.debugMode) {
1054 fprintf(debugFP, "%s\n", programVersion);
1057 set_cont_sequence(appData.wrapContSeq);
1058 if (appData.matchGames > 0) {
1059 appData.matchMode = TRUE;
1060 } else if (appData.matchMode) {
1061 appData.matchGames = 1;
1063 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1064 appData.matchGames = appData.sameColorGames;
1065 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1066 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1067 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1070 if (appData.noChessProgram || first.protocolVersion == 1) {
1073 /* kludge: allow timeout for initial "feature" commands */
1075 DisplayMessage("", _("Starting chess program"));
1076 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1081 InitBackEnd3 P((void))
1083 GameMode initialMode;
1087 InitChessProgram(&first, startedFromSetupPosition);
1090 if (appData.icsActive) {
1092 /* [DM] Make a console window if needed [HGM] merged ifs */
1097 if (*appData.icsCommPort != NULLCHAR) {
1098 sprintf(buf, _("Could not open comm port %s"),
1099 appData.icsCommPort);
1101 snprintf(buf, sizeof(buf), _("Could not connect to host %s, port %s"),
1102 appData.icsHost, appData.icsPort);
1104 DisplayFatalError(buf, err, 1);
1109 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1111 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1112 } else if (appData.noChessProgram) {
1118 if (*appData.cmailGameName != NULLCHAR) {
1120 OpenLoopback(&cmailPR);
1122 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1126 DisplayMessage("", "");
1127 if (StrCaseCmp(appData.initialMode, "") == 0) {
1128 initialMode = BeginningOfGame;
1129 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1130 initialMode = TwoMachinesPlay;
1131 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1132 initialMode = AnalyzeFile;
1133 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1134 initialMode = AnalyzeMode;
1135 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1136 initialMode = MachinePlaysWhite;
1137 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1138 initialMode = MachinePlaysBlack;
1139 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1140 initialMode = EditGame;
1141 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1142 initialMode = EditPosition;
1143 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1144 initialMode = Training;
1146 sprintf(buf, _("Unknown initialMode %s"), appData.initialMode);
1147 DisplayFatalError(buf, 0, 2);
1151 if (appData.matchMode) {
1152 /* Set up machine vs. machine match */
1153 if (appData.noChessProgram) {
1154 DisplayFatalError(_("Can't have a match with no chess programs"),
1160 if (*appData.loadGameFile != NULLCHAR) {
1161 int index = appData.loadGameIndex; // [HGM] autoinc
1162 if(index<0) lastIndex = index = 1;
1163 if (!LoadGameFromFile(appData.loadGameFile,
1165 appData.loadGameFile, FALSE)) {
1166 DisplayFatalError(_("Bad game file"), 0, 1);
1169 } else if (*appData.loadPositionFile != NULLCHAR) {
1170 int index = appData.loadPositionIndex; // [HGM] autoinc
1171 if(index<0) lastIndex = index = 1;
1172 if (!LoadPositionFromFile(appData.loadPositionFile,
1174 appData.loadPositionFile)) {
1175 DisplayFatalError(_("Bad position file"), 0, 1);
1180 } else if (*appData.cmailGameName != NULLCHAR) {
1181 /* Set up cmail mode */
1182 ReloadCmailMsgEvent(TRUE);
1184 /* Set up other modes */
1185 if (initialMode == AnalyzeFile) {
1186 if (*appData.loadGameFile == NULLCHAR) {
1187 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1191 if (*appData.loadGameFile != NULLCHAR) {
1192 (void) LoadGameFromFile(appData.loadGameFile,
1193 appData.loadGameIndex,
1194 appData.loadGameFile, TRUE);
1195 } else if (*appData.loadPositionFile != NULLCHAR) {
1196 (void) LoadPositionFromFile(appData.loadPositionFile,
1197 appData.loadPositionIndex,
1198 appData.loadPositionFile);
1199 /* [HGM] try to make self-starting even after FEN load */
1200 /* to allow automatic setup of fairy variants with wtm */
1201 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1202 gameMode = BeginningOfGame;
1203 setboardSpoiledMachineBlack = 1;
1205 /* [HGM] loadPos: make that every new game uses the setup */
1206 /* from file as long as we do not switch variant */
1207 if(!blackPlaysFirst) {
1208 startedFromPositionFile = TRUE;
1209 CopyBoard(filePosition, boards[0]);
1212 if (initialMode == AnalyzeMode) {
1213 if (appData.noChessProgram) {
1214 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1217 if (appData.icsActive) {
1218 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1222 } else if (initialMode == AnalyzeFile) {
1223 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1224 ShowThinkingEvent();
1226 AnalysisPeriodicEvent(1);
1227 } else if (initialMode == MachinePlaysWhite) {
1228 if (appData.noChessProgram) {
1229 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1233 if (appData.icsActive) {
1234 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1238 MachineWhiteEvent();
1239 } else if (initialMode == MachinePlaysBlack) {
1240 if (appData.noChessProgram) {
1241 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1245 if (appData.icsActive) {
1246 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1250 MachineBlackEvent();
1251 } else if (initialMode == TwoMachinesPlay) {
1252 if (appData.noChessProgram) {
1253 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1257 if (appData.icsActive) {
1258 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1263 } else if (initialMode == EditGame) {
1265 } else if (initialMode == EditPosition) {
1266 EditPositionEvent();
1267 } else if (initialMode == Training) {
1268 if (*appData.loadGameFile == NULLCHAR) {
1269 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1278 * Establish will establish a contact to a remote host.port.
1279 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1280 * used to talk to the host.
1281 * Returns 0 if okay, error code if not.
1288 if (*appData.icsCommPort != NULLCHAR) {
1289 /* Talk to the host through a serial comm port */
1290 return OpenCommPort(appData.icsCommPort, &icsPR);
1292 } else if (*appData.gateway != NULLCHAR) {
1293 if (*appData.remoteShell == NULLCHAR) {
1294 /* Use the rcmd protocol to run telnet program on a gateway host */
1295 snprintf(buf, sizeof(buf), "%s %s %s",
1296 appData.telnetProgram, appData.icsHost, appData.icsPort);
1297 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1300 /* Use the rsh program to run telnet program on a gateway host */
1301 if (*appData.remoteUser == NULLCHAR) {
1302 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1303 appData.gateway, appData.telnetProgram,
1304 appData.icsHost, appData.icsPort);
1306 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1307 appData.remoteShell, appData.gateway,
1308 appData.remoteUser, appData.telnetProgram,
1309 appData.icsHost, appData.icsPort);
1311 return StartChildProcess(buf, "", &icsPR);
1314 } else if (appData.useTelnet) {
1315 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1318 /* TCP socket interface differs somewhat between
1319 Unix and NT; handle details in the front end.
1321 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1326 show_bytes(fp, buf, count)
1332 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1333 fprintf(fp, "\\%03o", *buf & 0xff);
1342 /* Returns an errno value */
1344 OutputMaybeTelnet(pr, message, count, outError)
1350 char buf[8192], *p, *q, *buflim;
1351 int left, newcount, outcount;
1353 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1354 *appData.gateway != NULLCHAR) {
1355 if (appData.debugMode) {
1356 fprintf(debugFP, ">ICS: ");
1357 show_bytes(debugFP, message, count);
1358 fprintf(debugFP, "\n");
1360 return OutputToProcess(pr, message, count, outError);
1363 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1370 if (appData.debugMode) {
1371 fprintf(debugFP, ">ICS: ");
1372 show_bytes(debugFP, buf, newcount);
1373 fprintf(debugFP, "\n");
1375 outcount = OutputToProcess(pr, buf, newcount, outError);
1376 if (outcount < newcount) return -1; /* to be sure */
1383 } else if (((unsigned char) *p) == TN_IAC) {
1384 *q++ = (char) TN_IAC;
1391 if (appData.debugMode) {
1392 fprintf(debugFP, ">ICS: ");
1393 show_bytes(debugFP, buf, newcount);
1394 fprintf(debugFP, "\n");
1396 outcount = OutputToProcess(pr, buf, newcount, outError);
1397 if (outcount < newcount) return -1; /* to be sure */
1402 read_from_player(isr, closure, message, count, error)
1409 int outError, outCount;
1410 static int gotEof = 0;
1412 /* Pass data read from player on to ICS */
1415 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1416 if (outCount < count) {
1417 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1419 } else if (count < 0) {
1420 RemoveInputSource(isr);
1421 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1422 } else if (gotEof++ > 0) {
1423 RemoveInputSource(isr);
1424 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1430 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1431 SendToICS("date\n");
1432 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1435 /* added routine for printf style output to ics */
1436 void ics_printf(char *format, ...)
1438 char buffer[MSG_SIZ];
1441 va_start(args, format);
1442 vsnprintf(buffer, sizeof(buffer), format, args);
1443 buffer[sizeof(buffer)-1] = '\0';
1452 int count, outCount, outError;
1454 if (icsPR == NULL) return;
1457 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1458 if (outCount < count) {
1459 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1463 /* This is used for sending logon scripts to the ICS. Sending
1464 without a delay causes problems when using timestamp on ICC
1465 (at least on my machine). */
1467 SendToICSDelayed(s,msdelay)
1471 int count, outCount, outError;
1473 if (icsPR == NULL) return;
1476 if (appData.debugMode) {
1477 fprintf(debugFP, ">ICS: ");
1478 show_bytes(debugFP, s, count);
1479 fprintf(debugFP, "\n");
1481 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1483 if (outCount < count) {
1484 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1489 /* Remove all highlighting escape sequences in s
1490 Also deletes any suffix starting with '('
1493 StripHighlightAndTitle(s)
1496 static char retbuf[MSG_SIZ];
1499 while (*s != NULLCHAR) {
1500 while (*s == '\033') {
1501 while (*s != NULLCHAR && !isalpha(*s)) s++;
1502 if (*s != NULLCHAR) s++;
1504 while (*s != NULLCHAR && *s != '\033') {
1505 if (*s == '(' || *s == '[') {
1516 /* Remove all highlighting escape sequences in s */
1521 static char retbuf[MSG_SIZ];
1524 while (*s != NULLCHAR) {
1525 while (*s == '\033') {
1526 while (*s != NULLCHAR && !isalpha(*s)) s++;
1527 if (*s != NULLCHAR) s++;
1529 while (*s != NULLCHAR && *s != '\033') {
1537 char *variantNames[] = VARIANT_NAMES;
1542 return variantNames[v];
1546 /* Identify a variant from the strings the chess servers use or the
1547 PGN Variant tag names we use. */
1554 VariantClass v = VariantNormal;
1555 int i, found = FALSE;
1560 /* [HGM] skip over optional board-size prefixes */
1561 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1562 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1563 while( *e++ != '_');
1566 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1570 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1571 if (StrCaseStr(e, variantNames[i])) {
1572 v = (VariantClass) i;
1579 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1580 || StrCaseStr(e, "wild/fr")
1581 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1582 v = VariantFischeRandom;
1583 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1584 (i = 1, p = StrCaseStr(e, "w"))) {
1586 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1593 case 0: /* FICS only, actually */
1595 /* Castling legal even if K starts on d-file */
1596 v = VariantWildCastle;
1601 /* Castling illegal even if K & R happen to start in
1602 normal positions. */
1603 v = VariantNoCastle;
1616 /* Castling legal iff K & R start in normal positions */
1622 /* Special wilds for position setup; unclear what to do here */
1623 v = VariantLoadable;
1626 /* Bizarre ICC game */
1627 v = VariantTwoKings;
1630 v = VariantKriegspiel;
1636 v = VariantFischeRandom;
1639 v = VariantCrazyhouse;
1642 v = VariantBughouse;
1648 /* Not quite the same as FICS suicide! */
1649 v = VariantGiveaway;
1655 v = VariantShatranj;
1658 /* Temporary names for future ICC types. The name *will* change in
1659 the next xboard/WinBoard release after ICC defines it. */
1697 v = VariantCapablanca;
1700 v = VariantKnightmate;
1706 v = VariantCylinder;
1712 v = VariantCapaRandom;
1715 v = VariantBerolina;
1727 /* Found "wild" or "w" in the string but no number;
1728 must assume it's normal chess. */
1732 sprintf(buf, _("Unknown wild type %d"), wnum);
1733 DisplayError(buf, 0);
1739 if (appData.debugMode) {
1740 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
1741 e, wnum, VariantName(v));
1746 static int leftover_start = 0, leftover_len = 0;
1747 char star_match[STAR_MATCH_N][MSG_SIZ];
1749 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
1750 advance *index beyond it, and set leftover_start to the new value of
1751 *index; else return FALSE. If pattern contains the character '*', it
1752 matches any sequence of characters not containing '\r', '\n', or the
1753 character following the '*' (if any), and the matched sequence(s) are
1754 copied into star_match.
1757 looking_at(buf, index, pattern)
1762 char *bufp = &buf[*index], *patternp = pattern;
1764 char *matchp = star_match[0];
1767 if (*patternp == NULLCHAR) {
1768 *index = leftover_start = bufp - buf;
1772 if (*bufp == NULLCHAR) return FALSE;
1773 if (*patternp == '*') {
1774 if (*bufp == *(patternp + 1)) {
1776 matchp = star_match[++star_count];
1780 } else if (*bufp == '\n' || *bufp == '\r') {
1782 if (*patternp == NULLCHAR)
1787 *matchp++ = *bufp++;
1791 if (*patternp != *bufp) return FALSE;
1798 SendToPlayer(data, length)
1802 int error, outCount;
1803 outCount = OutputToProcess(NoProc, data, length, &error);
1804 if (outCount < length) {
1805 DisplayFatalError(_("Error writing to display"), error, 1);
1810 PackHolding(packed, holding)
1822 switch (runlength) {
1833 sprintf(q, "%d", runlength);
1845 /* Telnet protocol requests from the front end */
1847 TelnetRequest(ddww, option)
1848 unsigned char ddww, option;
1850 unsigned char msg[3];
1851 int outCount, outError;
1853 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
1855 if (appData.debugMode) {
1856 char buf1[8], buf2[8], *ddwwStr, *optionStr;
1872 sprintf(buf1, "%d", ddww);
1881 sprintf(buf2, "%d", option);
1884 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
1889 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
1891 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1898 if (!appData.icsActive) return;
1899 TelnetRequest(TN_DO, TN_ECHO);
1905 if (!appData.icsActive) return;
1906 TelnetRequest(TN_DONT, TN_ECHO);
1910 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
1912 /* put the holdings sent to us by the server on the board holdings area */
1913 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
1917 if(gameInfo.holdingsWidth < 2) return;
1918 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
1919 return; // prevent overwriting by pre-board holdings
1921 if( (int)lowestPiece >= BlackPawn ) {
1924 holdingsStartRow = BOARD_HEIGHT-1;
1927 holdingsColumn = BOARD_WIDTH-1;
1928 countsColumn = BOARD_WIDTH-2;
1929 holdingsStartRow = 0;
1933 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
1934 board[i][holdingsColumn] = EmptySquare;
1935 board[i][countsColumn] = (ChessSquare) 0;
1937 while( (p=*holdings++) != NULLCHAR ) {
1938 piece = CharToPiece( ToUpper(p) );
1939 if(piece == EmptySquare) continue;
1940 /*j = (int) piece - (int) WhitePawn;*/
1941 j = PieceToNumber(piece);
1942 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
1943 if(j < 0) continue; /* should not happen */
1944 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
1945 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
1946 board[holdingsStartRow+j*direction][countsColumn]++;
1952 VariantSwitch(Board board, VariantClass newVariant)
1954 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
1957 startedFromPositionFile = FALSE;
1958 if(gameInfo.variant == newVariant) return;
1960 /* [HGM] This routine is called each time an assignment is made to
1961 * gameInfo.variant during a game, to make sure the board sizes
1962 * are set to match the new variant. If that means adding or deleting
1963 * holdings, we shift the playing board accordingly
1964 * This kludge is needed because in ICS observe mode, we get boards
1965 * of an ongoing game without knowing the variant, and learn about the
1966 * latter only later. This can be because of the move list we requested,
1967 * in which case the game history is refilled from the beginning anyway,
1968 * but also when receiving holdings of a crazyhouse game. In the latter
1969 * case we want to add those holdings to the already received position.
1973 if (appData.debugMode) {
1974 fprintf(debugFP, "Switch board from %s to %s\n",
1975 VariantName(gameInfo.variant), VariantName(newVariant));
1976 setbuf(debugFP, NULL);
1978 shuffleOpenings = 0; /* [HGM] shuffle */
1979 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
1983 newWidth = 9; newHeight = 9;
1984 gameInfo.holdingsSize = 7;
1985 case VariantBughouse:
1986 case VariantCrazyhouse:
1987 newHoldingsWidth = 2; break;
1991 newHoldingsWidth = 2;
1992 gameInfo.holdingsSize = 8;
1995 case VariantCapablanca:
1996 case VariantCapaRandom:
1999 newHoldingsWidth = gameInfo.holdingsSize = 0;
2002 if(newWidth != gameInfo.boardWidth ||
2003 newHeight != gameInfo.boardHeight ||
2004 newHoldingsWidth != gameInfo.holdingsWidth ) {
2006 /* shift position to new playing area, if needed */
2007 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2008 for(i=0; i<BOARD_HEIGHT; i++)
2009 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2010 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2012 for(i=0; i<newHeight; i++) {
2013 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2014 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2016 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2017 for(i=0; i<BOARD_HEIGHT; i++)
2018 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2019 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2022 gameInfo.boardWidth = newWidth;
2023 gameInfo.boardHeight = newHeight;
2024 gameInfo.holdingsWidth = newHoldingsWidth;
2025 gameInfo.variant = newVariant;
2026 InitDrawingSizes(-2, 0);
2027 } else gameInfo.variant = newVariant;
2028 CopyBoard(oldBoard, board); // remember correctly formatted board
2029 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2030 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2033 static int loggedOn = FALSE;
2035 /*-- Game start info cache: --*/
2037 char gs_kind[MSG_SIZ];
2038 static char player1Name[128] = "";
2039 static char player2Name[128] = "";
2040 static char cont_seq[] = "\n\\ ";
2041 static int player1Rating = -1;
2042 static int player2Rating = -1;
2043 /*----------------------------*/
2045 ColorClass curColor = ColorNormal;
2046 int suppressKibitz = 0;
2049 read_from_ics(isr, closure, data, count, error)
2056 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2057 #define STARTED_NONE 0
2058 #define STARTED_MOVES 1
2059 #define STARTED_BOARD 2
2060 #define STARTED_OBSERVE 3
2061 #define STARTED_HOLDINGS 4
2062 #define STARTED_CHATTER 5
2063 #define STARTED_COMMENT 6
2064 #define STARTED_MOVES_NOHIDE 7
2066 static int started = STARTED_NONE;
2067 static char parse[20000];
2068 static int parse_pos = 0;
2069 static char buf[BUF_SIZE + 1];
2070 static int firstTime = TRUE, intfSet = FALSE;
2071 static ColorClass prevColor = ColorNormal;
2072 static int savingComment = FALSE;
2073 static int cmatch = 0; // continuation sequence match
2080 int backup; /* [DM] For zippy color lines */
2082 char talker[MSG_SIZ]; // [HGM] chat
2085 if (appData.debugMode) {
2087 fprintf(debugFP, "<ICS: ");
2088 show_bytes(debugFP, data, count);
2089 fprintf(debugFP, "\n");
2093 if (appData.debugMode) { int f = forwardMostMove;
2094 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2095 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2096 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2099 /* If last read ended with a partial line that we couldn't parse,
2100 prepend it to the new read and try again. */
2101 if (leftover_len > 0) {
2102 for (i=0; i<leftover_len; i++)
2103 buf[i] = buf[leftover_start + i];
2106 /* copy new characters into the buffer */
2107 bp = buf + leftover_len;
2108 buf_len=leftover_len;
2109 for (i=0; i<count; i++)
2112 if (data[i] == '\r')
2115 // join lines split by ICS?
2116 if (!appData.noJoin)
2119 Joining just consists of finding matches against the
2120 continuation sequence, and discarding that sequence
2121 if found instead of copying it. So, until a match
2122 fails, there's nothing to do since it might be the
2123 complete sequence, and thus, something we don't want
2126 if (data[i] == cont_seq[cmatch])
2129 if (cmatch == strlen(cont_seq))
2131 cmatch = 0; // complete match. just reset the counter
2134 it's possible for the ICS to not include the space
2135 at the end of the last word, making our [correct]
2136 join operation fuse two separate words. the server
2137 does this when the space occurs at the width setting.
2139 if (!buf_len || buf[buf_len-1] != ' ')
2150 match failed, so we have to copy what matched before
2151 falling through and copying this character. In reality,
2152 this will only ever be just the newline character, but
2153 it doesn't hurt to be precise.
2155 strncpy(bp, cont_seq, cmatch);
2167 buf[buf_len] = NULLCHAR;
2168 next_out = leftover_len;
2172 while (i < buf_len) {
2173 /* Deal with part of the TELNET option negotiation
2174 protocol. We refuse to do anything beyond the
2175 defaults, except that we allow the WILL ECHO option,
2176 which ICS uses to turn off password echoing when we are
2177 directly connected to it. We reject this option
2178 if localLineEditing mode is on (always on in xboard)
2179 and we are talking to port 23, which might be a real
2180 telnet server that will try to keep WILL ECHO on permanently.
2182 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2183 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2184 unsigned char option;
2186 switch ((unsigned char) buf[++i]) {
2188 if (appData.debugMode)
2189 fprintf(debugFP, "\n<WILL ");
2190 switch (option = (unsigned char) buf[++i]) {
2192 if (appData.debugMode)
2193 fprintf(debugFP, "ECHO ");
2194 /* Reply only if this is a change, according
2195 to the protocol rules. */
2196 if (remoteEchoOption) break;
2197 if (appData.localLineEditing &&
2198 atoi(appData.icsPort) == TN_PORT) {
2199 TelnetRequest(TN_DONT, TN_ECHO);
2202 TelnetRequest(TN_DO, TN_ECHO);
2203 remoteEchoOption = TRUE;
2207 if (appData.debugMode)
2208 fprintf(debugFP, "%d ", option);
2209 /* Whatever this is, we don't want it. */
2210 TelnetRequest(TN_DONT, option);
2215 if (appData.debugMode)
2216 fprintf(debugFP, "\n<WONT ");
2217 switch (option = (unsigned char) buf[++i]) {
2219 if (appData.debugMode)
2220 fprintf(debugFP, "ECHO ");
2221 /* Reply only if this is a change, according
2222 to the protocol rules. */
2223 if (!remoteEchoOption) break;
2225 TelnetRequest(TN_DONT, TN_ECHO);
2226 remoteEchoOption = FALSE;
2229 if (appData.debugMode)
2230 fprintf(debugFP, "%d ", (unsigned char) option);
2231 /* Whatever this is, it must already be turned
2232 off, because we never agree to turn on
2233 anything non-default, so according to the
2234 protocol rules, we don't reply. */
2239 if (appData.debugMode)
2240 fprintf(debugFP, "\n<DO ");
2241 switch (option = (unsigned char) buf[++i]) {
2243 /* Whatever this is, we refuse to do it. */
2244 if (appData.debugMode)
2245 fprintf(debugFP, "%d ", option);
2246 TelnetRequest(TN_WONT, option);
2251 if (appData.debugMode)
2252 fprintf(debugFP, "\n<DONT ");
2253 switch (option = (unsigned char) buf[++i]) {
2255 if (appData.debugMode)
2256 fprintf(debugFP, "%d ", option);
2257 /* Whatever this is, we are already not doing
2258 it, because we never agree to do anything
2259 non-default, so according to the protocol
2260 rules, we don't reply. */
2265 if (appData.debugMode)
2266 fprintf(debugFP, "\n<IAC ");
2267 /* Doubled IAC; pass it through */
2271 if (appData.debugMode)
2272 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2273 /* Drop all other telnet commands on the floor */
2276 if (oldi > next_out)
2277 SendToPlayer(&buf[next_out], oldi - next_out);
2283 /* OK, this at least will *usually* work */
2284 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2288 if (loggedOn && !intfSet) {
2289 if (ics_type == ICS_ICC) {
2291 "/set-quietly interface %s\n/set-quietly style 12\n",
2293 } else if (ics_type == ICS_CHESSNET) {
2294 sprintf(str, "/style 12\n");
2296 strcpy(str, "alias $ @\n$set interface ");
2297 strcat(str, programVersion);
2298 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2300 strcat(str, "$iset nohighlight 1\n");
2302 strcat(str, "$iset lock 1\n$style 12\n");
2305 NotifyFrontendLogin();
2309 if (started == STARTED_COMMENT) {
2310 /* Accumulate characters in comment */
2311 parse[parse_pos++] = buf[i];
2312 if (buf[i] == '\n') {
2313 parse[parse_pos] = NULLCHAR;
2314 if(chattingPartner>=0) {
2316 sprintf(mess, "%s%s", talker, parse);
2317 OutputChatMessage(chattingPartner, mess);
2318 chattingPartner = -1;
2320 if(!suppressKibitz) // [HGM] kibitz
2321 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2322 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2323 int nrDigit = 0, nrAlph = 0, i;
2324 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2325 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2326 parse[parse_pos] = NULLCHAR;
2327 // try to be smart: if it does not look like search info, it should go to
2328 // ICS interaction window after all, not to engine-output window.
2329 for(i=0; i<parse_pos; i++) { // count letters and digits
2330 nrDigit += (parse[i] >= '0' && parse[i] <= '9');
2331 nrAlph += (parse[i] >= 'a' && parse[i] <= 'z');
2332 nrAlph += (parse[i] >= 'A' && parse[i] <= 'Z');
2334 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2335 int depth=0; float score;
2336 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2337 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2338 pvInfoList[forwardMostMove-1].depth = depth;
2339 pvInfoList[forwardMostMove-1].score = 100*score;
2341 OutputKibitz(suppressKibitz, parse);
2344 sprintf(tmp, _("your opponent kibitzes: %s"), parse);
2345 SendToPlayer(tmp, strlen(tmp));
2348 started = STARTED_NONE;
2350 /* Don't match patterns against characters in chatter */
2355 if (started == STARTED_CHATTER) {
2356 if (buf[i] != '\n') {
2357 /* Don't match patterns against characters in chatter */
2361 started = STARTED_NONE;
2364 /* Kludge to deal with rcmd protocol */
2365 if (firstTime && looking_at(buf, &i, "\001*")) {
2366 DisplayFatalError(&buf[1], 0, 1);
2372 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2375 if (appData.debugMode)
2376 fprintf(debugFP, "ics_type %d\n", ics_type);
2379 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2380 ics_type = ICS_FICS;
2382 if (appData.debugMode)
2383 fprintf(debugFP, "ics_type %d\n", ics_type);
2386 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
2387 ics_type = ICS_CHESSNET;
2389 if (appData.debugMode)
2390 fprintf(debugFP, "ics_type %d\n", ics_type);
2395 (looking_at(buf, &i, "\"*\" is *a registered name") ||
2396 looking_at(buf, &i, "Logging you in as \"*\"") ||
2397 looking_at(buf, &i, "will be \"*\""))) {
2398 strcpy(ics_handle, star_match[0]);
2402 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
2404 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
2405 DisplayIcsInteractionTitle(buf);
2406 have_set_title = TRUE;
2409 /* skip finger notes */
2410 if (started == STARTED_NONE &&
2411 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
2412 (buf[i] == '1' && buf[i+1] == '0')) &&
2413 buf[i+2] == ':' && buf[i+3] == ' ') {
2414 started = STARTED_CHATTER;
2419 /* skip formula vars */
2420 if (started == STARTED_NONE &&
2421 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
2422 started = STARTED_CHATTER;
2428 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
2429 if (appData.autoKibitz && started == STARTED_NONE &&
2430 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
2431 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
2432 if(looking_at(buf, &i, "* kibitzes: ") &&
2433 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
2434 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
2435 suppressKibitz = TRUE;
2436 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
2437 && (gameMode == IcsPlayingWhite)) ||
2438 (StrStr(star_match[0], gameInfo.black) == star_match[0]
2439 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
2440 started = STARTED_CHATTER; // own kibitz we simply discard
2442 started = STARTED_COMMENT; // make sure it will be collected in parse[]
2443 parse_pos = 0; parse[0] = NULLCHAR;
2444 savingComment = TRUE;
2445 suppressKibitz = gameMode != IcsObserving ? 2 :
2446 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
2450 if(looking_at(buf, &i, "kibitzed to")) { // suppress the acknowledgements of our own autoKibitz
2451 started = STARTED_CHATTER;
2452 suppressKibitz = TRUE;
2454 } // [HGM] kibitz: end of patch
2456 //if(appData.debugMode) fprintf(debugFP, "hunt for tell, buf = %s\n", buf+i);
2458 // [HGM] chat: intercept tells by users for which we have an open chat window
2460 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
2461 looking_at(buf, &i, "* whispers:") ||
2462 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
2463 looking_at(buf, &i, "*(*)(*):") && sscanf(star_match[2], "%d", &channel) == 1 )) {
2465 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
2466 chattingPartner = -1;
2468 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
2469 for(p=0; p<MAX_CHAT; p++) {
2470 if(channel == atoi(chatPartner[p])) {
2471 talker[0] = '['; strcat(talker, "]");
2472 chattingPartner = p; break;
2475 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
2476 for(p=0; p<MAX_CHAT; p++) {
2477 if(!strcmp("WHISPER", chatPartner[p])) {
2478 talker[0] = '['; strcat(talker, "]");
2479 chattingPartner = p; break;
2482 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
2483 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
2485 chattingPartner = p; break;
2487 if(chattingPartner<0) i = oldi; else {
2488 started = STARTED_COMMENT;
2489 parse_pos = 0; parse[0] = NULLCHAR;
2490 savingComment = TRUE;
2491 suppressKibitz = TRUE;
2493 } // [HGM] chat: end of patch
2495 if (appData.zippyTalk || appData.zippyPlay) {
2496 /* [DM] Backup address for color zippy lines */
2500 if (loggedOn == TRUE)
2501 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
2502 (appData.zippyPlay && ZippyMatch(buf, &backup)));
2504 if (ZippyControl(buf, &i) ||
2505 ZippyConverse(buf, &i) ||
2506 (appData.zippyPlay && ZippyMatch(buf, &i))) {
2508 if (!appData.colorize) continue;
2512 } // [DM] 'else { ' deleted
2514 /* Regular tells and says */
2515 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
2516 looking_at(buf, &i, "* (your partner) tells you: ") ||
2517 looking_at(buf, &i, "* says: ") ||
2518 /* Don't color "message" or "messages" output */
2519 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
2520 looking_at(buf, &i, "*. * at *:*: ") ||
2521 looking_at(buf, &i, "--* (*:*): ") ||
2522 /* Message notifications (same color as tells) */
2523 looking_at(buf, &i, "* has left a message ") ||
2524 looking_at(buf, &i, "* just sent you a message:\n") ||
2525 /* Whispers and kibitzes */
2526 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
2527 looking_at(buf, &i, "* kibitzes: ") ||
2529 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
2531 if (tkind == 1 && strchr(star_match[0], ':')) {
2532 /* Avoid "tells you:" spoofs in channels */
2535 if (star_match[0][0] == NULLCHAR ||
2536 strchr(star_match[0], ' ') ||
2537 (tkind == 3 && strchr(star_match[1], ' '))) {
2538 /* Reject bogus matches */
2541 if (appData.colorize) {
2542 if (oldi > next_out) {
2543 SendToPlayer(&buf[next_out], oldi - next_out);
2548 Colorize(ColorTell, FALSE);
2549 curColor = ColorTell;
2552 Colorize(ColorKibitz, FALSE);
2553 curColor = ColorKibitz;
2556 p = strrchr(star_match[1], '(');
2563 Colorize(ColorChannel1, FALSE);
2564 curColor = ColorChannel1;
2566 Colorize(ColorChannel, FALSE);
2567 curColor = ColorChannel;
2571 curColor = ColorNormal;
2575 if (started == STARTED_NONE && appData.autoComment &&
2576 (gameMode == IcsObserving ||
2577 gameMode == IcsPlayingWhite ||
2578 gameMode == IcsPlayingBlack)) {
2579 parse_pos = i - oldi;
2580 memcpy(parse, &buf[oldi], parse_pos);
2581 parse[parse_pos] = NULLCHAR;
2582 started = STARTED_COMMENT;
2583 savingComment = TRUE;
2585 started = STARTED_CHATTER;
2586 savingComment = FALSE;
2593 if (looking_at(buf, &i, "* s-shouts: ") ||
2594 looking_at(buf, &i, "* c-shouts: ")) {
2595 if (appData.colorize) {
2596 if (oldi > next_out) {
2597 SendToPlayer(&buf[next_out], oldi - next_out);
2600 Colorize(ColorSShout, FALSE);
2601 curColor = ColorSShout;
2604 started = STARTED_CHATTER;
2608 if (looking_at(buf, &i, "--->")) {
2613 if (looking_at(buf, &i, "* shouts: ") ||
2614 looking_at(buf, &i, "--> ")) {
2615 if (appData.colorize) {
2616 if (oldi > next_out) {
2617 SendToPlayer(&buf[next_out], oldi - next_out);
2620 Colorize(ColorShout, FALSE);
2621 curColor = ColorShout;
2624 started = STARTED_CHATTER;
2628 if (looking_at( buf, &i, "Challenge:")) {
2629 if (appData.colorize) {
2630 if (oldi > next_out) {
2631 SendToPlayer(&buf[next_out], oldi - next_out);
2634 Colorize(ColorChallenge, FALSE);
2635 curColor = ColorChallenge;
2641 if (looking_at(buf, &i, "* offers you") ||
2642 looking_at(buf, &i, "* offers to be") ||
2643 looking_at(buf, &i, "* would like to") ||
2644 looking_at(buf, &i, "* requests to") ||
2645 looking_at(buf, &i, "Your opponent offers") ||
2646 looking_at(buf, &i, "Your opponent requests")) {
2648 if (appData.colorize) {
2649 if (oldi > next_out) {
2650 SendToPlayer(&buf[next_out], oldi - next_out);
2653 Colorize(ColorRequest, FALSE);
2654 curColor = ColorRequest;
2659 if (looking_at(buf, &i, "* (*) seeking")) {
2660 if (appData.colorize) {
2661 if (oldi > next_out) {
2662 SendToPlayer(&buf[next_out], oldi - next_out);
2665 Colorize(ColorSeek, FALSE);
2666 curColor = ColorSeek;
2671 if (looking_at(buf, &i, "\\ ")) {
2672 if (prevColor != ColorNormal) {
2673 if (oldi > next_out) {
2674 SendToPlayer(&buf[next_out], oldi - next_out);
2677 Colorize(prevColor, TRUE);
2678 curColor = prevColor;
2680 if (savingComment) {
2681 parse_pos = i - oldi;
2682 memcpy(parse, &buf[oldi], parse_pos);
2683 parse[parse_pos] = NULLCHAR;
2684 started = STARTED_COMMENT;
2686 started = STARTED_CHATTER;
2691 if (looking_at(buf, &i, "Black Strength :") ||
2692 looking_at(buf, &i, "<<< style 10 board >>>") ||
2693 looking_at(buf, &i, "<10>") ||
2694 looking_at(buf, &i, "#@#")) {
2695 /* Wrong board style */
2697 SendToICS(ics_prefix);
2698 SendToICS("set style 12\n");
2699 SendToICS(ics_prefix);
2700 SendToICS("refresh\n");
2704 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
2706 have_sent_ICS_logon = 1;
2710 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
2711 (looking_at(buf, &i, "\n<12> ") ||
2712 looking_at(buf, &i, "<12> "))) {
2714 if (oldi > next_out) {
2715 SendToPlayer(&buf[next_out], oldi - next_out);
2718 started = STARTED_BOARD;
2723 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
2724 looking_at(buf, &i, "<b1> ")) {
2725 if (oldi > next_out) {
2726 SendToPlayer(&buf[next_out], oldi - next_out);
2729 started = STARTED_HOLDINGS;
2734 if (looking_at(buf, &i, "* *vs. * *--- *")) {
2736 /* Header for a move list -- first line */
2738 switch (ics_getting_history) {
2742 case BeginningOfGame:
2743 /* User typed "moves" or "oldmoves" while we
2744 were idle. Pretend we asked for these
2745 moves and soak them up so user can step
2746 through them and/or save them.
2749 gameMode = IcsObserving;
2752 ics_getting_history = H_GOT_UNREQ_HEADER;
2754 case EditGame: /*?*/
2755 case EditPosition: /*?*/
2756 /* Should above feature work in these modes too? */
2757 /* For now it doesn't */
2758 ics_getting_history = H_GOT_UNWANTED_HEADER;
2761 ics_getting_history = H_GOT_UNWANTED_HEADER;
2766 /* Is this the right one? */
2767 if (gameInfo.white && gameInfo.black &&
2768 strcmp(gameInfo.white, star_match[0]) == 0 &&
2769 strcmp(gameInfo.black, star_match[2]) == 0) {
2771 ics_getting_history = H_GOT_REQ_HEADER;
2774 case H_GOT_REQ_HEADER:
2775 case H_GOT_UNREQ_HEADER:
2776 case H_GOT_UNWANTED_HEADER:
2777 case H_GETTING_MOVES:
2778 /* Should not happen */
2779 DisplayError(_("Error gathering move list: two headers"), 0);
2780 ics_getting_history = H_FALSE;
2784 /* Save player ratings into gameInfo if needed */
2785 if ((ics_getting_history == H_GOT_REQ_HEADER ||
2786 ics_getting_history == H_GOT_UNREQ_HEADER) &&
2787 (gameInfo.whiteRating == -1 ||
2788 gameInfo.blackRating == -1)) {
2790 gameInfo.whiteRating = string_to_rating(star_match[1]);
2791 gameInfo.blackRating = string_to_rating(star_match[3]);
2792 if (appData.debugMode)
2793 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
2794 gameInfo.whiteRating, gameInfo.blackRating);
2799 if (looking_at(buf, &i,
2800 "* * match, initial time: * minute*, increment: * second")) {
2801 /* Header for a move list -- second line */
2802 /* Initial board will follow if this is a wild game */
2803 if (gameInfo.event != NULL) free(gameInfo.event);
2804 sprintf(str, "ICS %s %s match", star_match[0], star_match[1]);
2805 gameInfo.event = StrSave(str);
2806 /* [HGM] we switched variant. Translate boards if needed. */
2807 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
2811 if (looking_at(buf, &i, "Move ")) {
2812 /* Beginning of a move list */
2813 switch (ics_getting_history) {
2815 /* Normally should not happen */
2816 /* Maybe user hit reset while we were parsing */
2819 /* Happens if we are ignoring a move list that is not
2820 * the one we just requested. Common if the user
2821 * tries to observe two games without turning off
2824 case H_GETTING_MOVES:
2825 /* Should not happen */
2826 DisplayError(_("Error gathering move list: nested"), 0);
2827 ics_getting_history = H_FALSE;
2829 case H_GOT_REQ_HEADER:
2830 ics_getting_history = H_GETTING_MOVES;
2831 started = STARTED_MOVES;
2833 if (oldi > next_out) {
2834 SendToPlayer(&buf[next_out], oldi - next_out);
2837 case H_GOT_UNREQ_HEADER:
2838 ics_getting_history = H_GETTING_MOVES;
2839 started = STARTED_MOVES_NOHIDE;
2842 case H_GOT_UNWANTED_HEADER:
2843 ics_getting_history = H_FALSE;
2849 if (looking_at(buf, &i, "% ") ||
2850 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
2851 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
2852 savingComment = FALSE;
2855 case STARTED_MOVES_NOHIDE:
2856 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
2857 parse[parse_pos + i - oldi] = NULLCHAR;
2858 ParseGameHistory(parse);
2860 if (appData.zippyPlay && first.initDone) {
2861 FeedMovesToProgram(&first, forwardMostMove);
2862 if (gameMode == IcsPlayingWhite) {
2863 if (WhiteOnMove(forwardMostMove)) {
2864 if (first.sendTime) {
2865 if (first.useColors) {
2866 SendToProgram("black\n", &first);
2868 SendTimeRemaining(&first, TRUE);
2870 if (first.useColors) {
2871 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
2873 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
2874 first.maybeThinking = TRUE;
2876 if (first.usePlayother) {
2877 if (first.sendTime) {
2878 SendTimeRemaining(&first, TRUE);
2880 SendToProgram("playother\n", &first);
2886 } else if (gameMode == IcsPlayingBlack) {
2887 if (!WhiteOnMove(forwardMostMove)) {
2888 if (first.sendTime) {
2889 if (first.useColors) {
2890 SendToProgram("white\n", &first);
2892 SendTimeRemaining(&first, FALSE);
2894 if (first.useColors) {
2895 SendToProgram("black\n", &first);
2897 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
2898 first.maybeThinking = TRUE;
2900 if (first.usePlayother) {
2901 if (first.sendTime) {
2902 SendTimeRemaining(&first, FALSE);
2904 SendToProgram("playother\n", &first);
2913 if (gameMode == IcsObserving && ics_gamenum == -1) {
2914 /* Moves came from oldmoves or moves command
2915 while we weren't doing anything else.
2917 currentMove = forwardMostMove;
2918 ClearHighlights();/*!!could figure this out*/
2919 flipView = appData.flipView;
2920 DrawPosition(TRUE, boards[currentMove]);
2921 DisplayBothClocks();
2922 sprintf(str, "%s vs. %s",
2923 gameInfo.white, gameInfo.black);
2927 /* Moves were history of an active game */
2928 if (gameInfo.resultDetails != NULL) {
2929 free(gameInfo.resultDetails);
2930 gameInfo.resultDetails = NULL;
2933 HistorySet(parseList, backwardMostMove,
2934 forwardMostMove, currentMove-1);
2935 DisplayMove(currentMove - 1);
2936 if (started == STARTED_MOVES) next_out = i;
2937 started = STARTED_NONE;
2938 ics_getting_history = H_FALSE;
2941 case STARTED_OBSERVE:
2942 started = STARTED_NONE;
2943 SendToICS(ics_prefix);
2944 SendToICS("refresh\n");
2950 if(bookHit) { // [HGM] book: simulate book reply
2951 static char bookMove[MSG_SIZ]; // a bit generous?
2953 programStats.nodes = programStats.depth = programStats.time =
2954 programStats.score = programStats.got_only_move = 0;
2955 sprintf(programStats.movelist, "%s (xbook)", bookHit);
2957 strcpy(bookMove, "move ");
2958 strcat(bookMove, bookHit);
2959 HandleMachineMove(bookMove, &first);
2964 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
2965 started == STARTED_HOLDINGS ||
2966 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
2967 /* Accumulate characters in move list or board */
2968 parse[parse_pos++] = buf[i];
2971 /* Start of game messages. Mostly we detect start of game
2972 when the first board image arrives. On some versions
2973 of the ICS, though, we need to do a "refresh" after starting
2974 to observe in order to get the current board right away. */
2975 if (looking_at(buf, &i, "Adding game * to observation list")) {
2976 started = STARTED_OBSERVE;
2980 /* Handle auto-observe */
2981 if (appData.autoObserve &&
2982 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
2983 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
2985 /* Choose the player that was highlighted, if any. */
2986 if (star_match[0][0] == '\033' ||
2987 star_match[1][0] != '\033') {
2988 player = star_match[0];
2990 player = star_match[2];
2992 sprintf(str, "%sobserve %s\n",
2993 ics_prefix, StripHighlightAndTitle(player));
2996 /* Save ratings from notify string */
2997 strcpy(player1Name, star_match[0]);
2998 player1Rating = string_to_rating(star_match[1]);
2999 strcpy(player2Name, star_match[2]);
3000 player2Rating = string_to_rating(star_match[3]);
3002 if (appData.debugMode)
3004 "Ratings from 'Game notification:' %s %d, %s %d\n",
3005 player1Name, player1Rating,
3006 player2Name, player2Rating);
3011 /* Deal with automatic examine mode after a game,
3012 and with IcsObserving -> IcsExamining transition */
3013 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3014 looking_at(buf, &i, "has made you an examiner of game *")) {
3016 int gamenum = atoi(star_match[0]);
3017 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3018 gamenum == ics_gamenum) {
3019 /* We were already playing or observing this game;
3020 no need to refetch history */
3021 gameMode = IcsExamining;
3023 pauseExamForwardMostMove = forwardMostMove;
3024 } else if (currentMove < forwardMostMove) {
3025 ForwardInner(forwardMostMove);
3028 /* I don't think this case really can happen */
3029 SendToICS(ics_prefix);
3030 SendToICS("refresh\n");
3035 /* Error messages */
3036 // if (ics_user_moved) {
3037 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3038 if (looking_at(buf, &i, "Illegal move") ||
3039 looking_at(buf, &i, "Not a legal move") ||
3040 looking_at(buf, &i, "Your king is in check") ||
3041 looking_at(buf, &i, "It isn't your turn") ||
3042 looking_at(buf, &i, "It is not your move")) {
3044 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3045 currentMove = --forwardMostMove;
3046 DisplayMove(currentMove - 1); /* before DMError */
3047 DrawPosition(FALSE, boards[currentMove]);
3049 DisplayBothClocks();
3051 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3057 if (looking_at(buf, &i, "still have time") ||
3058 looking_at(buf, &i, "not out of time") ||
3059 looking_at(buf, &i, "either player is out of time") ||
3060 looking_at(buf, &i, "has timeseal; checking")) {
3061 /* We must have called his flag a little too soon */
3062 whiteFlag = blackFlag = FALSE;
3066 if (looking_at(buf, &i, "added * seconds to") ||
3067 looking_at(buf, &i, "seconds were added to")) {
3068 /* Update the clocks */
3069 SendToICS(ics_prefix);
3070 SendToICS("refresh\n");
3074 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3075 ics_clock_paused = TRUE;
3080 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3081 ics_clock_paused = FALSE;
3086 /* Grab player ratings from the Creating: message.
3087 Note we have to check for the special case when
3088 the ICS inserts things like [white] or [black]. */
3089 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3090 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3092 0 player 1 name (not necessarily white)
3094 2 empty, white, or black (IGNORED)
3095 3 player 2 name (not necessarily black)
3098 The names/ratings are sorted out when the game
3099 actually starts (below).
3101 strcpy(player1Name, StripHighlightAndTitle(star_match[0]));
3102 player1Rating = string_to_rating(star_match[1]);
3103 strcpy(player2Name, StripHighlightAndTitle(star_match[3]));
3104 player2Rating = string_to_rating(star_match[4]);
3106 if (appData.debugMode)
3108 "Ratings from 'Creating:' %s %d, %s %d\n",
3109 player1Name, player1Rating,
3110 player2Name, player2Rating);
3115 /* Improved generic start/end-of-game messages */
3116 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3117 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3118 /* If tkind == 0: */
3119 /* star_match[0] is the game number */
3120 /* [1] is the white player's name */
3121 /* [2] is the black player's name */
3122 /* For end-of-game: */
3123 /* [3] is the reason for the game end */
3124 /* [4] is a PGN end game-token, preceded by " " */
3125 /* For start-of-game: */
3126 /* [3] begins with "Creating" or "Continuing" */
3127 /* [4] is " *" or empty (don't care). */
3128 int gamenum = atoi(star_match[0]);
3129 char *whitename, *blackname, *why, *endtoken;
3130 ChessMove endtype = (ChessMove) 0;
3133 whitename = star_match[1];
3134 blackname = star_match[2];
3135 why = star_match[3];
3136 endtoken = star_match[4];
3138 whitename = star_match[1];
3139 blackname = star_match[3];
3140 why = star_match[5];
3141 endtoken = star_match[6];
3144 /* Game start messages */
3145 if (strncmp(why, "Creating ", 9) == 0 ||
3146 strncmp(why, "Continuing ", 11) == 0) {
3147 gs_gamenum = gamenum;
3148 strcpy(gs_kind, strchr(why, ' ') + 1);
3150 if (appData.zippyPlay) {
3151 ZippyGameStart(whitename, blackname);
3157 /* Game end messages */
3158 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3159 ics_gamenum != gamenum) {
3162 while (endtoken[0] == ' ') endtoken++;
3163 switch (endtoken[0]) {
3166 endtype = GameUnfinished;
3169 endtype = BlackWins;
3172 if (endtoken[1] == '/')
3173 endtype = GameIsDrawn;
3175 endtype = WhiteWins;
3178 GameEnds(endtype, why, GE_ICS);
3180 if (appData.zippyPlay && first.initDone) {
3181 ZippyGameEnd(endtype, why);
3182 if (first.pr == NULL) {
3183 /* Start the next process early so that we'll
3184 be ready for the next challenge */
3185 StartChessProgram(&first);
3187 /* Send "new" early, in case this command takes
3188 a long time to finish, so that we'll be ready
3189 for the next challenge. */
3190 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3197 if (looking_at(buf, &i, "Removing game * from observation") ||
3198 looking_at(buf, &i, "no longer observing game *") ||
3199 looking_at(buf, &i, "Game * (*) has no examiners")) {
3200 if (gameMode == IcsObserving &&
3201 atoi(star_match[0]) == ics_gamenum)
3203 /* icsEngineAnalyze */
3204 if (appData.icsEngineAnalyze) {
3211 ics_user_moved = FALSE;
3216 if (looking_at(buf, &i, "no longer examining game *")) {
3217 if (gameMode == IcsExamining &&
3218 atoi(star_match[0]) == ics_gamenum)
3222 ics_user_moved = FALSE;
3227 /* Advance leftover_start past any newlines we find,
3228 so only partial lines can get reparsed */
3229 if (looking_at(buf, &i, "\n")) {
3230 prevColor = curColor;
3231 if (curColor != ColorNormal) {
3232 if (oldi > next_out) {
3233 SendToPlayer(&buf[next_out], oldi - next_out);
3236 Colorize(ColorNormal, FALSE);
3237 curColor = ColorNormal;
3239 if (started == STARTED_BOARD) {
3240 started = STARTED_NONE;
3241 parse[parse_pos] = NULLCHAR;
3242 ParseBoard12(parse);
3245 /* Send premove here */
3246 if (appData.premove) {
3248 if (currentMove == 0 &&
3249 gameMode == IcsPlayingWhite &&
3250 appData.premoveWhite) {
3251 sprintf(str, "%s\n", appData.premoveWhiteText);
3252 if (appData.debugMode)
3253 fprintf(debugFP, "Sending premove:\n");
3255 } else if (currentMove == 1 &&
3256 gameMode == IcsPlayingBlack &&
3257 appData.premoveBlack) {
3258 sprintf(str, "%s\n", appData.premoveBlackText);
3259 if (appData.debugMode)
3260 fprintf(debugFP, "Sending premove:\n");
3262 } else if (gotPremove) {
3264 ClearPremoveHighlights();
3265 if (appData.debugMode)
3266 fprintf(debugFP, "Sending premove:\n");
3267 UserMoveEvent(premoveFromX, premoveFromY,
3268 premoveToX, premoveToY,
3273 /* Usually suppress following prompt */
3274 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3275 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3276 if (looking_at(buf, &i, "*% ")) {
3277 savingComment = FALSE;
3281 } else if (started == STARTED_HOLDINGS) {
3283 char new_piece[MSG_SIZ];
3284 started = STARTED_NONE;
3285 parse[parse_pos] = NULLCHAR;
3286 if (appData.debugMode)
3287 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3288 parse, currentMove);
3289 if (sscanf(parse, " game %d", &gamenum) == 1 &&
3290 gamenum == ics_gamenum) {
3291 if (gameInfo.variant == VariantNormal) {
3292 /* [HGM] We seem to switch variant during a game!
3293 * Presumably no holdings were displayed, so we have
3294 * to move the position two files to the right to
3295 * create room for them!
3297 VariantClass newVariant;
3298 switch(gameInfo.boardWidth) { // base guess on board width
3299 case 9: newVariant = VariantShogi; break;
3300 case 10: newVariant = VariantGreat; break;
3301 default: newVariant = VariantCrazyhouse; break;
3303 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3304 /* Get a move list just to see the header, which
3305 will tell us whether this is really bug or zh */
3306 if (ics_getting_history == H_FALSE) {
3307 ics_getting_history = H_REQUESTED;
3308 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3312 new_piece[0] = NULLCHAR;
3313 sscanf(parse, "game %d white [%s black [%s <- %s",
3314 &gamenum, white_holding, black_holding,
3316 white_holding[strlen(white_holding)-1]&nb