acpi: Fix use-before-initialization bug
[dragonfly.git] / games / mille / save.c
CommitLineData
6693db17 1/*-
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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.
6693db17 13 * 3. Neither the name of the University nor the names of its contributors
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14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
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28 *
29 * @(#)save.c 8.1 (Berkeley) 5/31/93
30 * $FreeBSD: src/games/mille/save.c,v 1.6 1999/12/12 06:17:24 billf Exp $
46c76430 31 * $DragonFly: src/games/mille/save.c,v 1.5 2006/08/27 17:17:23 pavalos Exp $
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32 */
33
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34#include <sys/types.h>
35#include <sys/stat.h>
36#include <sys/uio.h>
a162d5fb 37#include <errno.h>
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38#include <fcntl.h>
39#include <string.h>
40#include <termios.h>
41#include <unistd.h>
42#include "mille.h"
43
44#include <unctrl.h>
a0b4d56d 45#include <term.h>
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46
47/*
48 * @(#)save.c 1.2 (Berkeley) 3/28/83
49 */
50
51typedef struct stat STAT;
52
53/*
54 * This routine saves the current game for use at a later date
46c76430 55 * Returns whether or not it could be done.
984263bc 56 */
984263bc 57bool
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58save(void)
59{
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60 char *sp;
61 int outfd;
62 time_t *tp;
63 char buf[80];
64 time_t tme;
65 STAT junk;
66 bool rv;
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67
68 sp = NULL;
69 tp = &tme;
70 if (Fromfile && getyn(SAMEFILEPROMPT))
71 strcpy(buf, Fromfile);
72 else {
73over:
74 prompt(FILEPROMPT);
75 leaveok(Board, FALSE);
76 refresh();
77 sp = buf;
78 while ((*sp = readch()) != '\n') {
79 if (*sp == killchar())
80 goto over;
81 else if (*sp == erasechar()) {
82 if (--sp < buf)
83 sp = buf;
84 else {
85 addch('\b');
86 /*
87 * if the previous char was a control
88 * char, cover up two characters.
89 */
90 if (*sp < ' ')
91 addch('\b');
92 clrtoeol();
93 }
94 }
95 else {
96 addstr(unctrl(*sp));
97 ++sp;
98 }
99 refresh();
100 }
101 *sp = '\0';
102 leaveok(Board, TRUE);
103 }
104
105 /*
106 * check for existing files, and confirm overwrite if needed
107 */
108
109 if (sp == buf || (!Fromfile && stat(buf, &junk) > -1
110 && getyn(OVERWRITEFILEPROMPT) == FALSE))
111 return FALSE;
112
46c76430 113 if ((outfd = creat(buf, 0644)) < 0) {
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114 error(strerror(errno));
115 return FALSE;
116 }
117 mvwaddstr(Score, ERR_Y, ERR_X, buf);
118 wrefresh(Score);
119 time(tp); /* get current time */
6693db17 120 rv = varpush(outfd, writev);
46c76430 121 close(outfd);
6693db17 122 if (rv == FALSE) {
46c76430 123 unlink(buf);
6693db17 124 } else {
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125 strcpy(buf, ctime(tp));
126 for (sp = buf; *sp != '\n'; sp++)
127 continue;
128 *sp = '\0';
129 wprintw(Score, " [%s]", buf);
130 }
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131 wclrtoeol(Score);
132 wrefresh(Score);
6693db17 133 return rv;
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134}
135
136/*
137 * This does the actual restoring. It returns TRUE if the
138 * backup was made on exiting, in which case certain things must
139 * be cleaned up before the game starts.
140 */
141bool
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142rest_f(char *file)
143{
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144
145 char *sp;
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146 int inf;
147 char buf[80];
148 STAT sbuf;
984263bc 149
6693db17 150 if ((inf = open(file, O_RDONLY)) < 0) {
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151 perror(file);
152 exit(1);
153 }
154 if (fstat(inf, &sbuf) < 0) { /* get file stats */
155 perror(file);
156 exit(1);
157 }
46c76430 158 varpush(inf, readv);
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159 close(inf);
160 strcpy(buf, ctime(&sbuf.st_mtime));
161 for (sp = buf; *sp != '\n'; sp++)
162 continue;
163 *sp = '\0';
164 /*
165 * initialize some necessary values
166 */
46c76430 167 sprintf(Initstr, "%s [%s]\n", file, buf);
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168 Fromfile = file;
169 return !On_exit;
170}