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save.c revision 1.1.1.2 
      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[] = "@(#)save.c	8.1 (Berkeley) 5/31/93";
     36 #endif /* not lint */
     37 
     38 #include <sys/types.h>
     39 #include <sys/stat.h>
     40 #include <string.h>
     41 #include <termios.h>
     42 #include "mille.h"
     43 
     44 #ifndef	unctrl
     45 #include "unctrl.h"
     46 #endif
     47 
     48 # ifdef	attron
     49 #	include	<term.h>
     50 #	define	_tty	cur_term->Nttyb
     51 # endif	attron
     52 
     53 /*
     54  * @(#)save.c	1.2 (Berkeley) 3/28/83
     55  */
     56 
     57 typedef	struct stat	STAT;
     58 
     59 char	*ctime();
     60 
     61 int	read(), write();
     62 
     63 /*
     64  *	This routine saves the current game for use at a later date
     65  */
     66 
     67 save() {
     68 
     69 	extern int	errno;
     70 	reg char	*sp;
     71 	reg int		outf;
     72 	reg time_t	*tp;
     73 	char		buf[80];
     74 	time_t		tme;
     75 	STAT		junk;
     76 
     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 	strcpy(buf, ctime(tp));
    129 	for (sp = buf; *sp != '\n'; sp++)
    130 		continue;
    131 	*sp = '\0';
    132 	varpush(outf, write);
    133 	close(outf);
    134 	wprintw(Score, " [%s]", buf);
    135 	wclrtoeol(Score);
    136 	wrefresh(Score);
    137 	return TRUE;
    138 }
    139 
    140 /*
    141  *	This does the actual restoring.  It returns TRUE if the
    142  * backup was made on exiting, in which case certain things must
    143  * be cleaned up before the game starts.
    144  */
    145 rest_f(file)
    146 reg char	*file; {
    147 
    148 	reg char	*sp;
    149 	reg int		inf;
    150 	char		buf[80];
    151 	STAT		sbuf;
    152 
    153 	if ((inf = open(file, 0)) < 0) {
    154 		perror(file);
    155 		exit(1);
    156 	}
    157 	if (fstat(inf, &sbuf) < 0) {		/* get file stats	*/
    158 		perror(file);
    159 		exit(1);
    160 	}
    161 	varpush(inf, read);
    162 	close(inf);
    163 	strcpy(buf, ctime(&sbuf.st_mtime));
    164 	for (sp = buf; *sp != '\n'; sp++)
    165 		continue;
    166 	*sp = '\0';
    167 	/*
    168 	 * initialize some necessary values
    169 	 */
    170 	(void)sprintf(Initstr, "%s [%s]\n", file, buf);
    171 	Fromfile = file;
    172 	return !On_exit;
    173 }
    174 
    175