Mon, 21 Mar 2016 20:35:58 +0100
fixed hypthetical bug, where the client address is not correctly retrieved by accept()
/* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. * * Copyright 2016 Mike Becker. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * */ #include "rules.h" #include "rook.h" _Bool rook_chkrules(Move *move) { return move->torow == move->fromrow || move->tofile == move->fromfile; } _Bool rook_isblocked(GameState *gamestate, Move *move) { if (move->torow == move->fromrow) { int d = move->tofile > move->fromfile ? 1 : -1; uint8_t f = move->fromfile; while (f != move->tofile-d) { f += d; if (gamestate->board[move->fromrow][f]) { return 1; } } } else { int d = move->torow > move->fromrow ? 1 : -1; uint8_t r = move->fromrow; while (r != move->torow - d) { r += d; if (gamestate->board[r][move->fromfile]) { return 1; } } } return 0; }