1 /*- 2 * Copyright (c) 1983, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)save.c 8.1 (Berkeley) 5/31/93 30 * $FreeBSD: src/games/mille/save.c,v 1.6 1999/12/12 06:17:24 billf Exp $ 31 * $DragonFly: src/games/mille/save.c,v 1.5 2006/08/27 17:17:23 pavalos Exp $ 32 */ 33 34 #include <sys/types.h> 35 #include <sys/stat.h> 36 #include <sys/uio.h> 37 #include <errno.h> 38 #include <fcntl.h> 39 #include <string.h> 40 #include <termios.h> 41 #include <unistd.h> 42 #include "mille.h" 43 44 #include <unctrl.h> 45 #include <term.h> 46 47 /* 48 * @(#)save.c 1.2 (Berkeley) 3/28/83 49 */ 50 51 typedef struct stat STAT; 52 53 /* 54 * This routine saves the current game for use at a later date 55 * Returns whether or not it could be done. 56 */ 57 bool 58 save(void) 59 { 60 char *sp; 61 int outfd; 62 time_t *tp; 63 char buf[80]; 64 time_t tme; 65 STAT junk; 66 bool rv; 67 68 sp = NULL; 69 tp = &tme; 70 if (Fromfile && getyn(SAMEFILEPROMPT)) 71 strcpy(buf, Fromfile); 72 else { 73 over: 74 prompt(FILEPROMPT); 75 leaveok(Board, FALSE); 76 refresh(); 77 sp = buf; 78 while ((*sp = readch()) != '\n') { 79 if (*sp == killchar()) 80 goto over; 81 else if (*sp == erasechar()) { 82 if (--sp < buf) 83 sp = buf; 84 else { 85 addch('\b'); 86 /* 87 * if the previous char was a control 88 * char, cover up two characters. 89 */ 90 if (*sp < ' ') 91 addch('\b'); 92 clrtoeol(); 93 } 94 } 95 else { 96 addstr(unctrl(*sp)); 97 ++sp; 98 } 99 refresh(); 100 } 101 *sp = '\0'; 102 leaveok(Board, TRUE); 103 } 104 105 /* 106 * check for existing files, and confirm overwrite if needed 107 */ 108 109 if (sp == buf || (!Fromfile && stat(buf, &junk) > -1 110 && getyn(OVERWRITEFILEPROMPT) == FALSE)) 111 return FALSE; 112 113 if ((outfd = creat(buf, 0644)) < 0) { 114 error(strerror(errno)); 115 return FALSE; 116 } 117 mvwaddstr(Score, ERR_Y, ERR_X, buf); 118 wrefresh(Score); 119 time(tp); /* get current time */ 120 rv = varpush(outfd, writev); 121 close(outfd); 122 if (rv == FALSE) { 123 unlink(buf); 124 } else { 125 strcpy(buf, ctime(tp)); 126 for (sp = buf; *sp != '\n'; sp++) 127 continue; 128 *sp = '\0'; 129 wprintw(Score, " [%s]", buf); 130 } 131 wclrtoeol(Score); 132 wrefresh(Score); 133 return rv; 134 } 135 136 /* 137 * This does the actual restoring. It returns TRUE if the 138 * backup was made on exiting, in which case certain things must 139 * be cleaned up before the game starts. 140 */ 141 bool 142 rest_f(char *file) 143 { 144 145 char *sp; 146 int inf; 147 char buf[80]; 148 STAT sbuf; 149 150 if ((inf = open(file, O_RDONLY)) < 0) { 151 perror(file); 152 exit(1); 153 } 154 if (fstat(inf, &sbuf) < 0) { /* get file stats */ 155 perror(file); 156 exit(1); 157 } 158 varpush(inf, readv); 159 close(inf); 160 strcpy(buf, ctime(&sbuf.st_mtime)); 161 for (sp = buf; *sp != '\n'; sp++) 162 continue; 163 *sp = '\0'; 164 /* 165 * initialize some necessary values 166 */ 167 sprintf(Initstr, "%s [%s]\n", file, buf); 168 Fromfile = file; 169 return !On_exit; 170 } 171