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/* $OpenBSD: save.c,v 1.13 2016/09/11 14:21:18 tb Exp $ */
/* $NetBSD: save.c,v 1.4 1995/03/24 05:02:13 cgd Exp $ */
/*
* Copyright (c) 1983, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/stat.h>
#include <err.h>
#include <errno.h>
#include <fcntl.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include "mille.h"
/*
* @(#)save.c 1.2 (Berkeley) 3/28/83
*/
typedef struct stat STAT;
/*
* This routine saves the current game for use at a later date.
* Returns FALSE if it couldn't be done.
*/
bool
save(void)
{
char *sp;
int outf;
time_t *tp;
char buf[256];
time_t tme;
STAT junk;
bool rv;
sp = NULL;
tp = &tme;
if (Fromfile && getyn(SAMEFILEPROMPT))
strlcpy(buf, Fromfile, sizeof(buf));
else {
over:
prompt(FILEPROMPT);
leaveok(Board, FALSE);
refresh();
sp = buf;
while ((*sp = readch()) != '\n' && *sp != '\r' &&
(sp - buf < (int)sizeof(buf))) {
if (*sp == killchar())
goto over;
else if (*sp == erasechar()) {
if (--sp < buf)
sp = buf;
else {
addch('\b');
/*
* if the previous char was a control
* char, cover up two characters.
*/
if (*sp < ' ')
addch('\b');
clrtoeol();
}
}
else {
addstr(unctrl(*sp));
++sp;
}
refresh();
}
*sp = '\0';
leaveok(Board, TRUE);
}
/*
* check for existing files, and confirm overwrite if needed
*/
if (sp == buf || (!Fromfile && stat(buf, &junk) > -1
&& getyn(OVERWRITEFILEPROMPT) == FALSE))
return FALSE;
if ((outf = open(buf, O_CREAT | O_TRUNC | O_WRONLY, 0644)) < 0) {
error(strerror(errno));
return FALSE;
}
mvwaddstr(Score, ERR_Y, ERR_X, buf);
wrefresh(Score);
time(tp); /* get current time */
rv = varpush(outf, writev);
close(outf);
if (!rv)
unlink(buf);
else {
strlcpy(buf, ctime(tp), sizeof buf);
for (sp = buf; *sp != '\n'; sp++)
continue;
*sp = '\0';
wprintw(Score, " [%s]", buf);
}
wclrtoeol(Score);
wrefresh(Score);
return rv;
}
/*
* This does the actual restoring. It returns TRUE if the
* backup was made on exiting, in which case certain things must
* be cleaned up before the game starts.
*/
bool
rest_f(const char *file)
{
char *sp;
int inf;
char buf[80];
STAT sbuf;
if ((inf = open(file, O_RDONLY)) < 0)
err(1, "%s", file);
if (fstat(inf, &sbuf) < 0) /* get file stats */
err(1, "%s", file);
varpush(inf, readv);
close(inf);
strlcpy(buf, ctime(&sbuf.st_mtime), sizeof buf);
for (sp = buf; *sp != '\n'; sp++)
continue;
*sp = '\0';
/*
* initialize some necessary values
*/
(void)snprintf(Initstr, sizeof Initstr, "%s [%s]\n", file, buf);
Fromfile = file;
return !On_exit;
}
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