xref: /original-bsd/games/mille/save.c (revision 2301fdfb)
1 /*
2  * Copyright (c) 1983 Regents of the University of California.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms are permitted
6  * provided that the above copyright notice and this paragraph are
7  * duplicated in all such forms and that any documentation,
8  * advertising materials, and other materials related to such
9  * distribution and use acknowledge that the software was developed
10  * by the University of California, Berkeley.  The name of the
11  * University may not be used to endorse or promote products derived
12  * from this software without specific prior written permission.
13  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
14  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
15  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
16  */
17 
18 #ifndef lint
19 static char sccsid[] = "@(#)save.c	5.4 (Berkeley) 06/18/88";
20 #endif /* not lint */
21 
22 #include	"mille.h"
23 #include	<sys/types.h>
24 #include	<sys/stat.h>
25 #ifndef	unctrl
26 #include	"unctrl.h"
27 #endif
28 
29 # ifdef	attron
30 #	include	<term.h>
31 #	define	_tty	cur_term->Nttyb
32 # endif	attron
33 
34 /*
35  * @(#)save.c	1.2 (Berkeley) 3/28/83
36  */
37 
38 typedef	struct stat	STAT;
39 
40 char	*ctime();
41 
42 int	read(), write();
43 
44 /*
45  *	This routine saves the current game for use at a later date
46  */
47 extern int	errno;
48 extern char	*sys_errlist[];
49 
50 save() {
51 
52 	reg char	*sp;
53 	reg int		outf;
54 	reg time_t	*tp;
55 	char		buf[80];
56 	time_t		tme;
57 	STAT		junk;
58 
59 	tp = &tme;
60 	if (Fromfile && getyn(SAMEFILEPROMPT))
61 		strcpy(buf, Fromfile);
62 	else {
63 over:
64 		prompt(FILEPROMPT);
65 		leaveok(Board, FALSE);
66 		refresh();
67 		sp = buf;
68 		while ((*sp = readch()) != '\n') {
69 			if (*sp == killchar())
70 				goto over;
71 			else if (*sp == erasechar()) {
72 				if (--sp < buf)
73 					sp = buf;
74 				else {
75 					addch('\b');
76 					/*
77 					 * if the previous char was a control
78 					 * char, cover up two characters.
79 					 */
80 					if (*sp < ' ')
81 						addch('\b');
82 					clrtoeol();
83 				}
84 			}
85 			else {
86 				addstr(unctrl(*sp));
87 				++sp;
88 			}
89 			refresh();
90 		}
91 		*sp = '\0';
92 		leaveok(Board, TRUE);
93 	}
94 
95 	/*
96 	 * check for existing files, and confirm overwrite if needed
97 	 */
98 
99 	if (sp == buf || (!Fromfile && stat(buf, &junk) > -1
100 	    && getyn(OVERWRITEFILEPROMPT) == FALSE))
101 		return FALSE;
102 
103 	if ((outf = creat(buf, 0644)) < 0) {
104 		error(sys_errlist[errno]);
105 		return FALSE;
106 	}
107 	mvwaddstr(Score, ERR_Y, ERR_X, buf);
108 	wrefresh(Score);
109 	time(tp);			/* get current time		*/
110 	strcpy(buf, ctime(tp));
111 	for (sp = buf; *sp != '\n'; sp++)
112 		continue;
113 	*sp = '\0';
114 	varpush(outf, write);
115 	close(outf);
116 	wprintw(Score, " [%s]", buf);
117 	wclrtoeol(Score);
118 	wrefresh(Score);
119 	return TRUE;
120 }
121 
122 /*
123  *	This does the actual restoring.  It returns TRUE if the
124  * backup was made on exiting, in which case certain things must
125  * be cleaned up before the game starts.
126  */
127 rest_f(file)
128 reg char	*file; {
129 
130 	reg char	*sp;
131 	reg int		inf;
132 	char		buf[80];
133 	STAT		sbuf;
134 
135 	if ((inf = open(file, 0)) < 0) {
136 		perror(file);
137 		exit(1);
138 	}
139 	if (fstat(inf, &sbuf) < 0) {		/* get file stats	*/
140 		perror(file);
141 		exit(1);
142 	}
143 	varpush(inf, read);
144 	close(inf);
145 	strcpy(buf, ctime(&sbuf.st_mtime));
146 	for (sp = buf; *sp != '\n'; sp++)
147 		continue;
148 	*sp = '\0';
149 	/*
150 	 * initialize some necessary values
151 	 */
152 	(void)sprintf(Initstr, "%s [%s]\n", file, buf);
153 	Fromfile = file;
154 	return !On_exit;
155 }
156 
157