1 /* NetHack 3.6 pcunix.c $NHDT-Date: 1432512787 2015/05/25 00:13:07 $ $NHDT-Branch: master $:$NHDT-Revision: 1.34 $ */
2 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
3 /* NetHack may be freely redistributed. See license for details. */
5 /* This file collects some Unix dependencies; pager.c contains some more */
11 #if defined(WIN32) || defined(MSDOS)
15 #if defined(WIN32) || defined(MSDOS)
18 extern void NDECL(backsp);
20 extern void NDECL(clear_screen);
24 static struct stat buf;
28 static struct stat hbuf;
32 static int NDECL(eraseoldlocks);
42 pline("Cannot get status of saved level? ");
45 if(buf.st_mtime < hbuf.st_mtime) {
46 pline("Saved level is out of date. ");
50 #if (defined(MICRO) || defined(WIN32)) && !defined(NO_FSTAT)
52 if(moves > 1) pline("Cannot get status of saved level? ");
53 else pline("Cannot get status of saved game.");
56 if(comp_times(buf.st_mtime)) {
57 if(moves > 1) pline("Saved level is out of date.");
58 else pline("Saved game is out of date. ");
59 /* This problem occurs enough times we need to give the player
60 * some more information about what causes it, and how to fix.
63 pline("Make sure that your system's date and time are correct.");
64 pline("They must be more current than NetHack.EXE's date/time stamp.");
69 #endif /* WANT_GETHDATE */
80 /* cannot use maxledgerno() here, because we need to find a lock name
81 * before starting everything (including the dungeon initialization
82 * that sets astral_level, needed for maxledgerno()) up
84 for (i = 1; i <= MAXDUNGEON * MAXLEVEL + 1; i++) {
85 /* try to remove all */
86 set_levelfile_name(lock, i);
87 (void) unlink(fqname(lock, LEVELPREFIX, 0));
89 set_levelfile_name(lock, 0);
90 #ifdef HOLD_LOCKFILE_OPEN
93 if (unlink(fqname(lock, LEVELPREFIX, 0)))
94 return 0; /* cannot remove it */
95 return (1); /* success! */
101 register int fd, c, ci, ct, ern;
105 #if defined(MSDOS) && defined(NO_TERMS)
106 int grmode = iflags.grmode;
108 /* we ignore QUIT and INT at this point */
109 if (!lock_file(HLOCK, LOCKPREFIX, 10)) {
111 #if defined(CHDIR) && !defined(NOCWD_ASSUMPTIONS)
117 /* regularize(lock); */ /* already done in pcmain */
118 Sprintf(tbuf, "%s", fqname(lock, LEVELPREFIX, 0));
119 set_levelfile_name(lock, 0);
120 fq_lock = fqname(lock, LEVELPREFIX, 1);
121 if ((fd = open(fq_lock, 0)) == -1) {
123 goto gotlock; /* no such file */
124 #if defined(CHDIR) && !defined(NOCWD_ASSUMPTIONS)
127 #if defined(WIN32) || defined(HOLD_LOCKFILE_OPEN)
128 #if defined(HOLD_LOCKFILE_OPEN)
129 if (errno == EACCES) {
130 #define OOPS_BUFSZ 512
131 char oops[OOPS_BUFSZ];
134 "\nThere are files from a game in progress under your name.");
135 Strcat(oops, "\nThe files are locked or inaccessible.");
136 Strcat(oops, " Is the other game still running?\n");
137 if (strlen(fq_lock) < ((OOPS_BUFSZ - 16) - strlen(oops)))
138 Sprintf(eos(oops), "Cannot open %s", fq_lock);
144 error("Bad directory or name: %s\n%s\n", fq_lock,
150 error("Cannot open %s", fq_lock);
155 if (iflags.window_inited) {
157 c = yn("There are files from a game in progress under your name. "
160 pline("There is already a game in progress under your name.");
161 pline("You may be able to use \"recover %s\" to get it back.\n",
163 c = yn("Do you want to destroy the old game?");
166 #if defined(MSDOS) && defined(NO_TERMS)
167 grmode = iflags.grmode;
174 msmsg("There are files from a game in progress under your name. "
177 msmsg("\nThere is already a game in progress under your name.\n");
178 msmsg("If this is unexpected, you may be able to use \n");
179 msmsg("\"recover %s\" to get it back.", tbuf);
180 msmsg("\nDo you want to destroy the old game? [yn] ");
182 while ((ci = nhgetch()) != '\n') {
188 if (ci == 'y' || ci == 'n' || ci == 'Y' || ci == 'N') {
195 if (c == 'y' || c == 'Y')
197 if (eraseoldlocks()) {
199 if (!strncmpi(windowprocs.name, "tty", 3))
200 clear_screen(); /* display gets fouled up otherwise */
205 #if defined(CHDIR) && !defined(NOCWD_ASSUMPTIONS)
208 error("Couldn't destroy old game.");
210 #else /*SELF_RECOVER*/
211 if (recover_savefile()) {
213 if (!strncmpi(windowprocs.name, "tty", 3))
214 clear_screen(); /* display gets fouled up otherwise */
219 #if defined(CHDIR) && !defined(NOCWD_ASSUMPTIONS)
222 error("Couldn't recover old game.");
224 #endif /*SELF_RECOVER*/
227 #if defined(CHDIR) && !defined(NOCWD_ASSUMPTIONS)
230 error("%s", "Cannot start a new game.");
234 fd = creat(fq_lock, fcmask);
239 #if defined(CHDIR) && !defined(NOCWD_ASSUMPTIONS)
243 error("cannot creat file (%s.)\n%s\n%s\"%s\" exists?\n", fq_lock,
244 strerror(ern), " Are you sure that the directory",
245 fqn_prefix[LEVELPREFIX]);
247 error("cannot creat file (%s.)", fq_lock);
250 if (write(fd, (char *) &hackpid, sizeof(hackpid))
251 != sizeof(hackpid)) {
252 #if defined(CHDIR) && !defined(NOCWD_ASSUMPTIONS)
255 error("cannot write lock (%s)", fq_lock);
257 if (nhclose(fd) == -1) {
258 #if defined(CHDIR) && !defined(NOCWD_ASSUMPTIONS)
261 error("cannot close lock (%s)", fq_lock);
264 #if defined(MSDOS) && defined(NO_TERMS)
269 #endif /* PC_LOCKING */
275 * normalize file name - we don't like .'s, /'s, spaces, and
276 * lots of other things
283 register unsigned char *lp;
285 for (lp = s; *lp; lp++)
286 if (*lp <= ' ' || *lp == '"' || (*lp >= '*' && *lp <= ',')
287 || *lp == '.' || *lp == '/' || (*lp >= ':' && *lp <= '?') ||
289 *lp == '&' || *lp == '(' || *lp == ')' ||
291 *lp == '|' || *lp >= 127 || (*lp >= '[' && *lp <= ']'))