1 /* $OpenBSD: save.c,v 1.8 2009/10/27 23:59:26 deraadt Exp $ */ 2 /* $NetBSD: save.c,v 1.4 1995/03/24 05:02:13 cgd Exp $ */ 3 4 /* 5 * Copyright (c) 1983, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33 #include <time.h> 34 #include "mille.h" 35 36 /* 37 * @(#)save.c 1.2 (Berkeley) 3/28/83 38 */ 39 40 typedef struct stat STAT; 41 42 /* 43 * This routine saves the current game for use at a later date. 44 * Returns FALSE if it couldn't be done. 45 */ 46 bool 47 save() 48 { 49 char *sp; 50 int outf; 51 time_t *tp; 52 char buf[256]; 53 time_t tme; 54 STAT junk; 55 bool rv; 56 57 sp = NULL; 58 tp = &tme; 59 if (Fromfile && getyn(SAMEFILEPROMPT)) 60 strlcpy(buf, Fromfile, sizeof(buf)); 61 else { 62 over: 63 prompt(FILEPROMPT); 64 leaveok(Board, FALSE); 65 refresh(); 66 sp = buf; 67 while ((*sp = readch()) != '\n' && *sp != '\r' && 68 (sp - buf < (int)sizeof(buf))) { 69 if (*sp == killchar()) 70 goto over; 71 else if (*sp == erasechar()) { 72 if (--sp < buf) 73 sp = buf; 74 else { 75 addch('\b'); 76 /* 77 * if the previous char was a control 78 * char, cover up two characters. 79 */ 80 if (*sp < ' ') 81 addch('\b'); 82 clrtoeol(); 83 } 84 } 85 else { 86 addstr(unctrl(*sp)); 87 ++sp; 88 } 89 refresh(); 90 } 91 *sp = '\0'; 92 leaveok(Board, TRUE); 93 } 94 95 /* 96 * check for existing files, and confirm overwrite if needed 97 */ 98 99 if (sp == buf || (!Fromfile && stat(buf, &junk) > -1 100 && getyn(OVERWRITEFILEPROMPT) == FALSE)) 101 return FALSE; 102 103 if ((outf = creat(buf, 0644)) < 0) { 104 error(strerror(errno)); 105 return FALSE; 106 } 107 mvwaddstr(Score, ERR_Y, ERR_X, buf); 108 wrefresh(Score); 109 time(tp); /* get current time */ 110 rv = varpush(outf, writev); 111 close(outf); 112 if (!rv) 113 unlink(buf); 114 else { 115 strlcpy(buf, ctime(tp), sizeof buf); 116 for (sp = buf; *sp != '\n'; sp++) 117 continue; 118 *sp = '\0'; 119 wprintw(Score, " [%s]", buf); 120 } 121 wclrtoeol(Score); 122 wrefresh(Score); 123 return rv; 124 } 125 126 /* 127 * This does the actual restoring. It returns TRUE if the 128 * backup was made on exiting, in which case certain things must 129 * be cleaned up before the game starts. 130 */ 131 bool 132 rest_f(file) 133 const char *file; 134 { 135 char *sp; 136 int inf; 137 char buf[80]; 138 STAT sbuf; 139 140 if ((inf = open(file, O_RDONLY)) < 0) 141 err(1, "%s", file); 142 if (fstat(inf, &sbuf) < 0) /* get file stats */ 143 err(1, "%s", file); 144 varpush(inf, readv); 145 close(inf); 146 strlcpy(buf, ctime(&sbuf.st_mtime), sizeof buf); 147 for (sp = buf; *sp != '\n'; sp++) 148 continue; 149 *sp = '\0'; 150 /* 151 * initialize some necessary values 152 */ 153 (void)snprintf(Initstr, sizeof Initstr, "%s [%s]\n", file, buf); 154 Fromfile = file; 155 return !On_exit; 156 } 157