mille/save.c

   1 /*      $NetBSD: save.c,v 1.6 1997/10/12 00:54:32 lukem 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 1.6 1997/10/12 00:54:32 lukem Exp $");
  42 #endif
  43 #endif /* not lint */
  44
  45 #include "mille.h"
  46
  47 #ifndef unctrl
  48 #include "unctrl.h"
  49 #endif
  50
  51 # ifdef attron
  52 #       include <term.h>
  53 # endif attron
  54
  55 /*
  56  * @(#)save.c   1.2 (Berkeley) 3/28/83
  57  */
  58
  59 typedef struct stat     STAT;
  60
  61 /*
  62  *      This routine saves the current game for use at a later date
  63  *      Returns FALSE if it couldn't be done.
  64  */
  65 bool
  66 save()
  67 {
  68         char    *sp;
  69         int     outf;
  70         time_t  *tp;
  71         char    buf[80];
  72         time_t  tme;
  73         STAT    junk;
  74         bool    rv;
  75
  76         sp = NULL;
  77         tp = &tme;
  78         if (Fromfile && getyn(SAMEFILEPROMPT))
  79                 strcpy(buf, Fromfile);
  80         else {
  81 over:
  82                 prompt(FILEPROMPT);
  83                 leaveok(Board, FALSE);
  84                 refresh();
  85                 sp = buf;
  86                 while ((*sp = readch()) != '\n') {
  87                         if (*sp == killchar())
  88                                 goto over;
  89                         else if (*sp == erasechar()) {
  90                                 if (--sp < buf)
  91                                         sp = buf;
  92                                 else {
  93                                         addch('\b');
  94                                         /*
  95                                          * if the previous char was a control
  96                                          * char, cover up two characters.
  97                                          */
  98                                         if (*sp < ' ')
  99                                                 addch('\b');
 100                                         clrtoeol();
 101                                 }
 102                         }
 103                         else {
 104                                 addstr(unctrl(*sp));
 105                                 ++sp;
 106                         }
 107                         refresh();
 108                 }
 109                 *sp = '\0';
 110                 leaveok(Board, TRUE);
 111         }
 112
 113         /*
 114          * check for existing files, and confirm overwrite if needed
 115          */
 116
 117         if (sp == buf || (!Fromfile && stat(buf, &junk) > -1
 118             && getyn(OVERWRITEFILEPROMPT) == FALSE))
 119                 return FALSE;
 120
 121         if ((outf = creat(buf, 0644)) < 0) {
 122                 error(strerror(errno));
 123                 return FALSE;
 124         }
 125         mvwaddstr(Score, ERR_Y, ERR_X, buf);
 126         wrefresh(Score);
 127         time(tp);                       /* get current time             */
 128         rv = varpush(outf, writev);
 129         close(outf);
 130         if (rv == FALSE) {
 131                 unlink(buf);
 132         } else {
 133                 strcpy(buf, ctime(tp));
 134                 for (sp = buf; *sp != '\n'; sp++)
 135                         continue;
 136                 *sp = '\0';
 137                 wprintw(Score, " [%s]", buf);
 138         }
 139         wclrtoeol(Score);
 140         wrefresh(Score);
 141         return rv;
 142 }
 143
 144 /*
 145  *      This does the actual restoring.  It returns TRUE if the
 146  * backup was made on exiting, in which case certain things must
 147  * be cleaned up before the game starts.
 148  */
 149 bool
 150 rest_f(file)
 151         char    *file;
 152 {
 153
 154         char    *sp;
 155         int     inf;
 156         char    buf[80];
 157         STAT    sbuf;
 158
 159         if ((inf = open(file, 0)) < 0) {
 160                 warn("%s", file);
 161                 exit(1);
 162         }
 163         if (fstat(inf, &sbuf) < 0) {            /* get file stats       */
 164                 warn("%s", file);
 165                 exit(1);
 166         }
 167         varpush(inf, readv);
 168         close(inf);
 169         strcpy(buf, ctime(&sbuf.st_mtime));
 170         for (sp = buf; *sp != '\n'; sp++)
 171                 continue;
 172         *sp = '\0';
 173         /*
 174          * initialize some necessary values
 175          */
 176         (void)sprintf(Initstr, "%s [%s]\n", file, buf);
 177         Fromfile = file;
 178         return !On_exit;
 179 }