/* $OpenBSD: save.c,v 1.14 2015/11/30 08:19:25 tb Exp $ */ /* * Copyright (c) 1980, 1993 * The Regents of the University of California. 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. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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 #include #include #include "back.h" static const char confirm[] = "Are you sure you want to leave now?"; static const char prompt[] = "Enter a file name: "; static const char exist1[] = "The file '"; static const char exist2[] = "' already exists.\nAre you sure you want to use this file?"; static const char cantuse[] = "\nCan't use "; static const char saved[] = "This game has been saved on the file '"; static const char type[] = "'.\nType \"backgammon -s "; static const char rec[] = "\" to recover your game.\n\n"; static const char cantrec[] = "Can't recover file: "; void save(int n) { int fdesc; char *fs; char fname[PATH_MAX]; int r, c, i; if (n) { move(20, 0); clrtobot(); addstr(confirm); if (!yorn(0)) return; } cflag = 1; for (;;) { addstr(prompt); fs = fname; while ((i = readc()) != '\n') { if (i == KEY_BACKSPACE || i == 0177) { if (fs > fname) { fs--; getyx(stdscr, r, c); move(r, c - 1); } else beep(); continue; } if (fs - fname < sizeof(fname) - 1) { if (isascii(i)) { *fs = i; addch(*fs++); } else beep(); } else beep(); } *fs = '\0'; if ((fdesc = open(fname, O_RDWR)) == -1 && errno == ENOENT) { if ((fdesc = open(fname, O_CREAT | O_TRUNC | O_WRONLY, 0600)) != -1) break; } if (fdesc != -1) { move(18, 0); clrtobot(); printw("%s%s%s", exist1, fname, exist2); cflag = 0; close(fdesc); if (yorn(0)) { unlink(fname); fdesc = open(fname, O_CREAT | O_TRUNC | O_WRONLY, 0600); break; } else { cflag = 1; continue; } } printw("%s%s.\n", cantuse, fname); cflag = 1; } write(fdesc, board, sizeof(board)); write(fdesc, off, sizeof(off)); write(fdesc, in, sizeof(in)); write(fdesc, dice, sizeof(dice)); write(fdesc, &cturn, sizeof(cturn)); write(fdesc, &dflag, sizeof(dflag)); write(fdesc, &dlast, sizeof(dlast)); write(fdesc, &pnum, sizeof(pnum)); write(fdesc, &rscore, sizeof(rscore)); write(fdesc, &wscore, sizeof(wscore)); write(fdesc, &gvalue, sizeof(gvalue)); write(fdesc, &raflag, sizeof(raflag)); close(fdesc); move(18, 0); printw("%s%s%s%s%s", saved, fname, type, fname, rec); clrtobot(); getout(0); } void recover(const char *s) { int fdesc; if ((fdesc = open(s, O_RDONLY)) == -1) norec(s); read(fdesc, board, sizeof(board)); read(fdesc, off, sizeof(off)); read(fdesc, in, sizeof(in)); read(fdesc, dice, sizeof(dice)); read(fdesc, &cturn, sizeof(cturn)); read(fdesc, &dflag, sizeof(dflag)); read(fdesc, &dlast, sizeof(dlast)); read(fdesc, &pnum, sizeof(pnum)); read(fdesc, &rscore, sizeof(rscore)); read(fdesc, &wscore, sizeof(wscore)); read(fdesc, &gvalue, sizeof(gvalue)); read(fdesc, &raflag, sizeof(raflag)); close(fdesc); rflag = 1; } void norec(const char *s) { const char *c; addstr(cantrec); c = s; while (*c != '\0') addch(*c++); getout(0); }