1 /* $NetBSD: save.c,v 1.9 1999/07/28 02:07:39 hubertf 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. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #include <sys/cdefs.h> 37 #ifndef lint 38 #if 0 39 static char sccsid[] = "@(#)save.c 8.1 (Berkeley) 5/31/93"; 40 #else 41 __RCSID("$NetBSD: save.c,v 1.9 1999/07/28 02:07:39 hubertf Exp $"); 42 #endif 43 #endif /* not lint */ 44 45 #include <errno.h> 46 47 #include "back.h" 48 49 static const char confirm[] = "Are you sure you want to leave now?"; 50 static const char prompt[] = "Enter a file name: "; 51 static const char exist1[] = "The file '"; 52 static const char exist2[] = 53 "' already exists.\nAre you sure you want to use this file?"; 54 static const char cantuse[] = "\nCan't use "; 55 static const char saved[] = "This game has been saved on the file '"; 56 static const char type[] = "'.\nType \"backgammon "; 57 static const char rec[] = "\" to recover your game.\n\n"; 58 static const char cantrec[] = "Can't recover file: "; 59 60 void 61 save(n) 62 int n; 63 { 64 int fdesc; 65 char *fs; 66 char fname[50]; 67 68 if (n) { 69 if (tflag) { 70 curmove(20, 0); 71 clend(); 72 } else 73 writec('\n'); 74 writel(confirm); 75 if (!yorn(0)) 76 return; 77 } 78 cflag = 1; 79 for (;;) { 80 writel(prompt); 81 fs = fname; 82 while ((*fs = readc()) != '\n') { 83 if (*fs == old.c_cc[VERASE]) { 84 if (fs > fname) { 85 fs--; 86 if (tflag) 87 curmove(curr, curc - 1); 88 else 89 writec(*fs); 90 } else 91 writec('\007'); 92 continue; 93 } 94 writec(*fs++); 95 } 96 *fs = '\0'; 97 if ((fdesc = open(fname, O_RDWR)) == -1 && errno == ENOENT) { 98 if ((fdesc = creat(fname, 0600)) != -1) 99 break; 100 } 101 if (fdesc != -1) { 102 if (tflag) { 103 curmove(18, 0); 104 clend(); 105 } else 106 writec('\n'); 107 writel(exist1); 108 writel(fname); 109 writel(exist2); 110 cflag = 0; 111 close(fdesc); 112 if (yorn(0)) { 113 unlink(fname); 114 fdesc = creat(fname, 0600); 115 break; 116 } else { 117 cflag = 1; 118 continue; 119 } 120 } 121 writel(cantuse); 122 writel(fname); 123 writel(".\n"); 124 close(fdesc); 125 cflag = 1; 126 } 127 write(fdesc, board, sizeof board); 128 write(fdesc, off, sizeof off); 129 write(fdesc, in, sizeof in); 130 write(fdesc, dice, sizeof dice); 131 write(fdesc, &cturn, sizeof cturn); 132 write(fdesc, &dlast, sizeof dlast); 133 write(fdesc, &pnum, sizeof pnum); 134 write(fdesc, &rscore, sizeof rscore); 135 write(fdesc, &wscore, sizeof wscore); 136 write(fdesc, &gvalue, sizeof gvalue); 137 write(fdesc, &raflag, sizeof raflag); 138 close(fdesc); 139 if (tflag) 140 curmove(18, 0); 141 writel(saved); 142 writel(fname); 143 writel(type); 144 writel(fname); 145 writel(rec); 146 if (tflag) 147 clend(); 148 getout(0); 149 } 150 151 void 152 recover(s) 153 const char *s; 154 { 155 int fdesc; 156 157 if ((fdesc = open(s, O_RDONLY)) == -1) 158 norec(s); 159 read(fdesc, board, sizeof board); 160 read(fdesc, off, sizeof off); 161 read(fdesc, in, sizeof in); 162 read(fdesc, dice, sizeof dice); 163 read(fdesc, &cturn, sizeof cturn); 164 read(fdesc, &dlast, sizeof dlast); 165 read(fdesc, &pnum, sizeof pnum); 166 read(fdesc, &rscore, sizeof rscore); 167 read(fdesc, &wscore, sizeof wscore); 168 read(fdesc, &gvalue, sizeof gvalue); 169 read(fdesc, &raflag, sizeof raflag); 170 close(fdesc); 171 rflag = 1; 172 } 173 174 void 175 norec(s) 176 const char *s; 177 { 178 const char *c; 179 180 tflag = 0; 181 writel(cantrec); 182 c = s; 183 while (*c != '\0') 184 writec(*c++); 185 getout(0); 186 } 187