Home | History | Annotate | Line # | Download | only in mille
save.c revision 1.3 
      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. All advertising materials mentioning features or use of this software
     14  *    must display the following acknowledgement:
     15  *	This product includes software developed by the University of
     16  *	California, Berkeley and its contributors.
     17  * 4. Neither the name of the University nor the names of its contributors
     18  *    may be used to endorse or promote products derived from this software
     19  *    without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     31  * SUCH DAMAGE.
     32  */
     33 
     34 #ifndef lint
     35 /*static char sccsid[] = "from: @(#)save.c	8.1 (Berkeley) 5/31/93";*/
     36 static char rcsid[] = "$Id: save.c,v 1.3 1994/05/12 17:39:41 jtc Exp $";
     37 #endif /* not lint */
     38 
     39 #include <sys/types.h>
     40 #include <sys/stat.h>
     41 #include <string.h>
     42 #include <termios.h>
     43 #include "mille.h"
     44 
     45 #ifndef	unctrl
     46 #include "unctrl.h"
     47 #endif
     48 
     49 # ifdef	attron
     50 #	include	<term.h>
     51 #	define	_tty	cur_term->Nttyb
     52 # endif	attron
     53 
     54 /*
     55  * @(#)save.c	1.2 (Berkeley) 3/28/83
     56  */
     57 
     58 typedef	struct stat	STAT;
     59 
     60 char	*ctime();
     61 
     62 int	read(), write();
     63 
     64 /*
     65  *	This routine saves the current game for use at a later date
     66  */
     67 
     68 save() {
     69 
     70 	extern int	errno;
     71 	reg char	*sp;
     72 	reg int		outf;
     73 	reg time_t	*tp;
     74 	char		buf[80];
     75 	time_t		tme;
     76 	STAT		junk;
     77 
     78 	tp = &tme;
     79 	if (Fromfile && getyn(SAMEFILEPROMPT))
     80 		strcpy(buf, Fromfile);
     81 	else {
     82 over:
     83 		prompt(FILEPROMPT);
     84 		leaveok(Board, FALSE);
     85 		refresh();
     86 		sp = buf;
     87 		while ((*sp = readch()) != '\n') {
     88 			if (*sp == killchar())
     89 				goto over;
     90 			else if (*sp == erasechar()) {
     91 				if (--sp < buf)
     92 					sp = buf;
     93 				else {
     94 					addch('\b');
     95 					/*
     96 					 * if the previous char was a control
     97 					 * char, cover up two characters.
     98 					 */
     99 					if (*sp < ' ')
    100 						addch('\b');
    101 					clrtoeol();
    102 				}
    103 			}
    104 			else {
    105 				addstr(unctrl(*sp));
    106 				++sp;
    107 			}
    108 			refresh();
    109 		}
    110 		*sp = '\0';
    111 		leaveok(Board, TRUE);
    112 	}
    113 
    114 	/*
    115 	 * check for existing files, and confirm overwrite if needed
    116 	 */
    117 
    118 	if (sp == buf || (!Fromfile && stat(buf, &junk) > -1
    119 	    && getyn(OVERWRITEFILEPROMPT) == FALSE))
    120 		return FALSE;
    121 
    122 	if ((outf = creat(buf, 0644)) < 0) {
    123 		error(strerror(errno));
    124 		return FALSE;
    125 	}
    126 	mvwaddstr(Score, ERR_Y, ERR_X, buf);
    127 	wrefresh(Score);
    128 	time(tp);			/* get current time		*/
    129 	strcpy(buf, ctime(tp));
    130 	for (sp = buf; *sp != '\n'; sp++)
    131 		continue;
    132 	*sp = '\0';
    133 	varpush(outf, write);
    134 	close(outf);
    135 	wprintw(Score, " [%s]", buf);
    136 	wclrtoeol(Score);
    137 	wrefresh(Score);
    138 	return TRUE;
    139 }
    140 
    141 /*
    142  *	This does the actual restoring.  It returns TRUE if the
    143  * backup was made on exiting, in which case certain things must
    144  * be cleaned up before the game starts.
    145  */
    146 rest_f(file)
    147 reg char	*file; {
    148 
    149 	reg char	*sp;
    150 	reg int		inf;
    151 	char		buf[80];
    152 	STAT		sbuf;
    153 
    154 	if ((inf = open(file, 0)) < 0) {
    155 		perror(file);
    156 		exit(1);
    157 	}
    158 	if (fstat(inf, &sbuf) < 0) {		/* get file stats	*/
    159 		perror(file);
    160 		exit(1);
    161 	}
    162 	varpush(inf, read);
    163 	close(inf);
    164 	strcpy(buf, ctime(&sbuf.st_mtime));
    165 	for (sp = buf; *sp != '\n'; sp++)
    166 		continue;
    167 	*sp = '\0';
    168 	/*
    169 	 * initialize some necessary values
    170 	 */
    171 	(void)sprintf(Initstr, "%s [%s]\n", file, buf);
    172 	Fromfile = file;
    173 	return !On_exit;
    174 }
    175 
    176