1 /* $NetBSD: save.c,v 1.15 2010/04/04 00:08:49 christos Exp $ */ 2 3 /* 4 * Copyright (c) 1983, 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 <sys/cdefs.h> 33 #ifndef lint 34 #if 0 35 static char sccsid[] = "@(#)save.c 8.1 (Berkeley) 5/31/93"; 36 #else 37 __RCSID("$NetBSD: save.c,v 1.15 2010/04/04 00:08:49 christos Exp $"); 38 #endif 39 #endif /* not lint */ 40 41 #include <time.h> 42 43 #include "mille.h" 44 45 #ifndef unctrl 46 #include "unctrl.h" 47 #endif 48 49 /* 50 * @(#)save.c 1.2 (Berkeley) 3/28/83 51 */ 52 53 typedef struct stat STAT; 54 55 /* 56 * This routine saves the current game for use at a later date 57 * Returns FALSE if it couldn't be done. 58 */ 59 bool 60 save(void) 61 { 62 char *sp; 63 int outfd; 64 time_t *tp; 65 char buf[80]; 66 time_t tme; 67 STAT junk; 68 bool rv; 69 70 sp = NULL; 71 tp = &tme; 72 if (Fromfile && getyn(SAMEFILEPROMPT)) 73 strcpy(buf, Fromfile); 74 else { 75 over: 76 prompt(FILEPROMPT); 77 leaveok(Board, FALSE); 78 refresh(); 79 sp = buf; 80 while ((*sp = readch()) != '\n') { 81 if (*sp == killchar()) 82 goto over; 83 else if (*sp == erasechar()) { 84 if (--sp < buf) 85 sp = buf; 86 else { 87 addch('\b'); 88 /* 89 * if the previous char was a control 90 * char, cover up two characters. 91 */ 92 if (*sp < ' ') 93 addch('\b'); 94 clrtoeol(); 95 } 96 } 97 else { 98 addstr(unctrl(*sp)); 99 ++sp; 100 } 101 refresh(); 102 } 103 *sp = '\0'; 104 leaveok(Board, TRUE); 105 } 106 107 /* 108 * check for existing files, and confirm overwrite if needed 109 */ 110 111 if (sp == buf || (!Fromfile && stat(buf, &junk) > -1 112 && getyn(OVERWRITEFILEPROMPT) == FALSE)) 113 return FALSE; 114 115 if ((outfd = creat(buf, 0644)) < 0) { 116 error(strerror(errno)); 117 return FALSE; 118 } 119 mvwaddstr(Score, ERR_Y, ERR_X, buf); 120 wrefresh(Score); 121 time(tp); /* get current time */ 122 rv = varpush(outfd, writev); 123 close(outfd); 124 if (rv == FALSE) { 125 unlink(buf); 126 } else { 127 char *p; 128 if ((p = ctime(tp)) == NULL) 129 strcpy(buf, "?"); 130 else 131 strcpy(buf, p); 132 for (sp = buf; *sp != '\n'; sp++) 133 continue; 134 *sp = '\0'; 135 wprintw(Score, " [%s]", buf); 136 } 137 wclrtoeol(Score); 138 wrefresh(Score); 139 return rv; 140 } 141 142 /* 143 * This does the actual restoring. It returns TRUE if the 144 * backup was made on exiting, in which case certain things must 145 * be cleaned up before the game starts. 146 */ 147 bool 148 rest_f(const char *file) 149 { 150 151 char *sp, *p; 152 int inf; 153 char buf[80]; 154 STAT sbuf; 155 156 if ((inf = open(file, O_RDONLY)) < 0) { 157 warn("%s", file); 158 exit(1); 159 } 160 if (fstat(inf, &sbuf) < 0) { /* get file stats */ 161 warn("%s", file); 162 exit(1); 163 } 164 varpush(inf, readv); 165 close(inf); 166 if ((p = ctime(&sbuf.st_mtime)) == NULL) 167 strcpy(buf, "?"); 168 else 169 strcpy(buf, p); 170 for (sp = buf; *sp != '\n'; sp++) 171 continue; 172 *sp = '\0'; 173 /* 174 * initialize some necessary values 175 */ 176 (void)snprintf(Initstr, INITSTR_SIZE, "%s [%s]\n", file, buf); 177 Fromfile = file; 178 return !On_exit; 179 } 180