1 /* $OpenBSD: save.c,v 1.11 2014/11/16 04:49:48 guenther Exp $ */ 2 3 /* 4 * Copyright (c) 1980, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #include <ctype.h> 33 #include <limits.h> 34 #include <errno.h> 35 #include "back.h" 36 37 static const char confirm[] = "Are you sure you want to leave now?"; 38 static const char prompt[] = "Enter a file name: "; 39 static const char exist1[] = "The file '"; 40 static const char exist2[] = 41 "' already exists.\nAre you sure you want to use this file?"; 42 static const char cantuse[] = "\nCan't use "; 43 static const char saved[] = "This game has been saved on the file '"; 44 static const char type[] = "'.\nType \"backgammon -s "; 45 static const char rec[] = "\" to recover your game.\n\n"; 46 static const char cantrec[] = "Can't recover file: "; 47 48 void 49 save(n) 50 int n; 51 { 52 int fdesc; 53 char *fs; 54 char fname[PATH_MAX]; 55 int r, c, i; 56 57 if (n) { 58 move(20, 0); 59 clrtobot(); 60 addstr(confirm); 61 if (!yorn(0)) 62 return; 63 } 64 cflag = 1; 65 for (;;) { 66 addstr(prompt); 67 fs = fname; 68 while ((i = readc()) != '\n') { 69 if (i == KEY_BACKSPACE || i == 0177) { 70 if (fs > fname) { 71 fs--; 72 getyx(stdscr, r, c); 73 move(r, c - 1); 74 } else 75 beep(); 76 continue; 77 } 78 if (fs - fname < sizeof(fname) - 1) { 79 if (isascii(i)) { 80 *fs = i; 81 addch(*fs++); 82 } else 83 beep(); 84 } else 85 beep(); 86 } 87 *fs = '\0'; 88 if ((fdesc = open(fname, O_RDWR)) == -1 && errno == ENOENT) { 89 if ((fdesc = creat(fname, 0600)) != -1) 90 break; 91 } 92 if (fdesc != -1) { 93 move(18, 0); 94 clrtobot(); 95 printw("%s%s%s", exist1, fname, exist2); 96 cflag = 0; 97 close(fdesc); 98 if (yorn(0)) { 99 unlink(fname); 100 fdesc = creat(fname, 0600); 101 break; 102 } else { 103 cflag = 1; 104 continue; 105 } 106 } 107 printw("%s%s.\n", cantuse, fname); 108 cflag = 1; 109 } 110 write(fdesc, board, sizeof(board)); 111 write(fdesc, off, sizeof(off)); 112 write(fdesc, in, sizeof(in)); 113 write(fdesc, dice, sizeof(dice)); 114 write(fdesc, &cturn, sizeof(cturn)); 115 write(fdesc, &dlast, sizeof(dlast)); 116 write(fdesc, &pnum, sizeof(pnum)); 117 write(fdesc, &rscore, sizeof(rscore)); 118 write(fdesc, &wscore, sizeof(wscore)); 119 write(fdesc, &gvalue, sizeof(gvalue)); 120 write(fdesc, &raflag, sizeof(raflag)); 121 close(fdesc); 122 move(18, 0); 123 printw("%s%s%s%s%s", saved, fname, type, fname, rec); 124 clrtobot(); 125 getout(0); 126 } 127 128 void 129 recover(s) 130 const char *s; 131 { 132 int fdesc; 133 134 if ((fdesc = open(s, O_RDONLY)) == -1) 135 norec(s); 136 read(fdesc, board, sizeof(board)); 137 read(fdesc, off, sizeof(off)); 138 read(fdesc, in, sizeof(in)); 139 read(fdesc, dice, sizeof(dice)); 140 read(fdesc, &cturn, sizeof(cturn)); 141 read(fdesc, &dlast, sizeof(dlast)); 142 read(fdesc, &pnum, sizeof(pnum)); 143 read(fdesc, &rscore, sizeof(rscore)); 144 read(fdesc, &wscore, sizeof(wscore)); 145 read(fdesc, &gvalue, sizeof(gvalue)); 146 read(fdesc, &raflag, sizeof(raflag)); 147 close(fdesc); 148 rflag = 1; 149 } 150 151 void 152 norec(s) 153 const char *s; 154 { 155 const char *c; 156 157 addstr(cantrec); 158 c = s; 159 while (*c != '\0') 160 addch(*c++); 161 getout(0); 162 } 163