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save.c revision 1.4 
      1 /*	$NetBSD: save.c,v 1.4 1995/03/24 05:02:13 cgd 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 #ifndef lint
     37 #if 0
     38 static char sccsid[] = "@(#)save.c	8.1 (Berkeley) 5/31/93";
     39 #else
     40 static char rcsid[] = "$NetBSD: save.c,v 1.4 1995/03/24 05:02:13 cgd Exp $";
     41 #endif
     42 #endif /* not lint */
     43 
     44 #include <sys/types.h>
     45 #include <sys/stat.h>
     46 #include <string.h>
     47 #include <termios.h>
     48 #include "mille.h"
     49 
     50 #ifndef	unctrl
     51 #include "unctrl.h"
     52 #endif
     53 
     54 # ifdef	attron
     55 #	include	<term.h>
     56 #	define	_tty	cur_term->Nttyb
     57 # endif	attron
     58 
     59 /*
     60  * @(#)save.c	1.2 (Berkeley) 3/28/83
     61  */
     62 
     63 typedef	struct stat	STAT;
     64 
     65 char	*ctime();
     66 
     67 int	read(), write();
     68 
     69 /*
     70  *	This routine saves the current game for use at a later date
     71  */
     72 
     73 save() {
     74 
     75 	extern int	errno;
     76 	reg char	*sp;
     77 	reg int		outf;
     78 	reg time_t	*tp;
     79 	char		buf[80];
     80 	time_t		tme;
     81 	STAT		junk;
     82 
     83 	tp = &tme;
     84 	if (Fromfile && getyn(SAMEFILEPROMPT))
     85 		strcpy(buf, Fromfile);
     86 	else {
     87 over:
     88 		prompt(FILEPROMPT);
     89 		leaveok(Board, FALSE);
     90 		refresh();
     91 		sp = buf;
     92 		while ((*sp = readch()) != '\n') {
     93 			if (*sp == killchar())
     94 				goto over;
     95 			else if (*sp == erasechar()) {
     96 				if (--sp < buf)
     97 					sp = buf;
     98 				else {
     99 					addch('\b');
    100 					/*
    101 					 * if the previous char was a control
    102 					 * char, cover up two characters.
    103 					 */
    104 					if (*sp < ' ')
    105 						addch('\b');
    106 					clrtoeol();
    107 				}
    108 			}
    109 			else {
    110 				addstr(unctrl(*sp));
    111 				++sp;
    112 			}
    113 			refresh();
    114 		}
    115 		*sp = '\0';
    116 		leaveok(Board, TRUE);
    117 	}
    118 
    119 	/*
    120 	 * check for existing files, and confirm overwrite if needed
    121 	 */
    122 
    123 	if (sp == buf || (!Fromfile && stat(buf, &junk) > -1
    124 	    && getyn(OVERWRITEFILEPROMPT) == FALSE))
    125 		return FALSE;
    126 
    127 	if ((outf = creat(buf, 0644)) < 0) {
    128 		error(strerror(errno));
    129 		return FALSE;
    130 	}
    131 	mvwaddstr(Score, ERR_Y, ERR_X, buf);
    132 	wrefresh(Score);
    133 	time(tp);			/* get current time		*/
    134 	strcpy(buf, ctime(tp));
    135 	for (sp = buf; *sp != '\n'; sp++)
    136 		continue;
    137 	*sp = '\0';
    138 	varpush(outf, write);
    139 	close(outf);
    140 	wprintw(Score, " [%s]", buf);
    141 	wclrtoeol(Score);
    142 	wrefresh(Score);
    143 	return TRUE;
    144 }
    145 
    146 /*
    147  *	This does the actual restoring.  It returns TRUE if the
    148  * backup was made on exiting, in which case certain things must
    149  * be cleaned up before the game starts.
    150  */
    151 rest_f(file)
    152 reg char	*file; {
    153 
    154 	reg char	*sp;
    155 	reg int		inf;
    156 	char		buf[80];
    157 	STAT		sbuf;
    158 
    159 	if ((inf = open(file, 0)) < 0) {
    160 		perror(file);
    161 		exit(1);
    162 	}
    163 	if (fstat(inf, &sbuf) < 0) {		/* get file stats	*/
    164 		perror(file);
    165 		exit(1);
    166 	}
    167 	varpush(inf, read);
    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 }
    180 
    181