mille/save.c

   1 /*      $NetBSD: save.c,v 1.10 1999/09/09 17:30:20 jsm 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. 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 1.10 1999/09/09 17:30:20 jsm Exp $");
  42 #endif
  43 #endif /* not lint */
  44
  45 #include <time.h>
  46
  47 #include "mille.h"
  48
  49 #ifndef unctrl
  50 #include "unctrl.h"
  51 #endif
  52
  53 /*
  54  * @(#)save.c   1.2 (Berkeley) 3/28/83
  55  */
  56
  57 typedef struct stat     STAT;
  58
  59 /*
  60  *      This routine saves the current game for use at a later date
  61  *      Returns FALSE if it couldn't be done.
  62  */
  63 bool
  64 save()
  65 {
  66         char    *sp;
  67         int     outf;
  68         time_t  *tp;
  69         char    buf[80];
  70         time_t  tme;
  71         STAT    junk;
  72         bool    rv;
  73
  74         sp = NULL;
  75         tp = &tme;
  76         if (Fromfile && getyn(SAMEFILEPROMPT))
  77                 strcpy(buf, Fromfile);
  78         else {
  79 over:
  80                 prompt(FILEPROMPT);
  81                 leaveok(Board, FALSE);
  82                 refresh();
  83                 sp = buf;
  84                 while ((*sp = readch()) != '\n') {
  85                         if (*sp == killchar())
  86                                 goto over;
  87                         else if (*sp == erasechar()) {
  88                                 if (--sp < buf)
  89                                         sp = buf;
  90                                 else {
  91                                         addch('\b');
  92                                         /*
  93                                          * if the previous char was a control
  94                                          * char, cover up two characters.
  95                                          */
  96                                         if (*sp < ' ')
  97                                                 addch('\b');
  98                                         clrtoeol();
  99                                 }
 100                         }
 101                         else {
 102                                 addstr(unctrl(*sp));
 103                                 ++sp;
 104                         }
 105                         refresh();
 106                 }
 107                 *sp = '\0';
 108                 leaveok(Board, TRUE);
 109         }
 110
 111         /*
 112          * check for existing files, and confirm overwrite if needed
 113          */
 114
 115         if (sp == buf || (!Fromfile && stat(buf, &junk) > -1
 116             && getyn(OVERWRITEFILEPROMPT) == FALSE))
 117                 return FALSE;
 118
 119         if ((outf = creat(buf, 0644)) < 0) {
 120                 error(strerror(errno));
 121                 return FALSE;
 122         }
 123         mvwaddstr(Score, ERR_Y, ERR_X, buf);
 124         wrefresh(Score);
 125         time(tp);                       /* get current time             */
 126         rv = varpush(outf, writev);
 127         close(outf);
 128         if (rv == FALSE) {
 129                 unlink(buf);
 130         } else {
 131                 strcpy(buf, ctime(tp));
 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(file)
 149         const char      *file;
 150 {
 151
 152         char    *sp;
 153         int     inf;
 154         char    buf[80];
 155         STAT    sbuf;
 156
 157         if ((inf = open(file, O_RDONLY)) < 0) {
 158                 warn("%s", file);
 159                 exit(1);
 160         }
 161         if (fstat(inf, &sbuf) < 0) {            /* get file stats       */
 162                 warn("%s", file);
 163                 exit(1);
 164         }
 165         varpush(inf, readv);
 166         close(inf);
 167         strcpy(buf, ctime(&sbuf.st_mtime));
 168         for (sp = buf; *sp != '\n'; sp++)
 169                 continue;
 170         *sp = '\0';
 171         /*
 172          * initialize some necessary values
 173          */
 174         (void)sprintf(Initstr, "%s [%s]\n", file, buf);
 175         Fromfile = file;
 176         return !On_exit;
 177 }