VS 2013 build of NetHack.exe and also fix level file locking

src/files.c

@@ -637,12 +637,12 @@ really_close()
 	lftrack.fd = -1;
 	lftrack.oflag = 0;
 	if (fd != -1)
-		(void)_close(fd);
+		(void)close(fd);
 	return;
 }
 
 int
-close(fd)
+nhclose(fd)
 int fd;
 {
  	if (lftrack.fd == fd) {
@@ -651,10 +651,17 @@ int fd;
 		lftrack.nethack_thinks_it_is_open = FALSE;
 		return 0;
 	}
-	return _close(fd);
+	return close(fd);
+}
+#else
+int
+nhclose(fd)
+int fd;
+{
+	return close(fd);
 }
 #endif
-	
+
 /* ----------  END LEVEL FILE HANDLING ----------- */
 
 
@@ -992,7 +999,7 @@ restore_saved_game()
 	if ((fd = open_savefile()) < 0) return fd;
 
 	if (validate(fd, fq_save) != 0) {
-	    (void) close(fd),  fd = -1;
+	    (void) nhclose(fd),  fd = -1;
 	    (void) delete_savefile();
 	}
 	return fd;
@@ -1017,7 +1024,7 @@ const char* filename;
 	    get_plname_from_file(fd, tplname);
 	    result = dupstr(tplname);
 	}
-	(void) close(fd);
+	(void) nhclose(fd);
     }
     nh_compress(SAVEF);
 
@@ -1724,7 +1731,7 @@ const char *filename;
 		if (unlink(lockname) < 0)
 			HUP raw_printf("Can't unlink %s.", lockname);
 # ifdef NO_FILE_LINKS
-		(void) close(lockfd);
+		(void) nhclose(lockfd);
 # endif
 
 #endif  /* UNIX || VMS */
@@ -2839,9 +2846,9 @@ const char *dir UNUSED_if_not_OS2_CODEVIEW;
 		wait_synch();
 	    }
 # endif
-	    (void) close(fd);	/* RECORD is accessible */
+	    (void) nhclose(fd);	/* RECORD is accessible */
 	} else if ((fd = open(fq_record, O_CREAT|O_RDWR, FCMASK)) >= 0) {
-	    (void) close(fd);	/* RECORD newly created */
+	    (void) nhclose(fd);	/* RECORD newly created */
 # if defined(VMS) && !defined(SECURE)
 	    /* Re-protect RECORD with world:read+write+execute+delete access. */
 	    (void) chmod(fq_record, FCMASK | 007);
@@ -2881,9 +2888,9 @@ const char *dir UNUSED_if_not_OS2_CODEVIEW;
 	raw_printf("Warning: cannot write record %s", tmp);
 		wait_synch();
 	    } else
-		(void) close(fd);
+		(void) nhclose(fd);
 	} else		/* open succeeded */
-	    (void) close(fd);
+	    (void) nhclose(fd);
 #else /* MICRO || WIN32*/
 
 # ifdef MAC
@@ -2967,14 +2974,14 @@ recover_savefile()
 	if (read(gfd, (genericptr_t) &hpid, sizeof hpid) != sizeof hpid) {
 	    raw_printf(
 "\nCheckpoint data incompletely written or subsequently clobbered. Recovery impossible.");
-	    (void)close(gfd);
+	    (void)nhclose(gfd);
 	    return FALSE;
 	}
 	if (read(gfd, (genericptr_t) &savelev, sizeof(savelev))
 							!= sizeof(savelev)) {
 	    raw_printf("\nCheckpointing was not in effect for %s -- recovery impossible.\n",
 			lock);
-	    (void)close(gfd);
+	    (void)nhclose(gfd);
 	    return FALSE;
 	}
 	if ((read(gfd, (genericptr_t) savename, sizeof savename)
@@ -2988,7 +2995,7 @@ recover_savefile()
 	    (read(gfd, (genericptr_t) &tmpplbuf, pltmpsiz)
 		!= pltmpsiz)) {
 	    raw_printf("\nError reading %s -- can't recover.\n", lock);
-	    (void)close(gfd);
+	    (void)nhclose(gfd);
 	    return FALSE;
 	}
 
@@ -3004,15 +3011,15 @@ recover_savefile()
 	sfd = create_savefile();
 	if (sfd < 0) {
 	    raw_printf("\nCannot recover savefile %s.\n", SAVEF);
-	    (void)close(gfd);
+	    (void)nhclose(gfd);
 	    return FALSE;
 	}
 
 	lfd = open_levelfile(savelev, errbuf);
 	if (lfd < 0) {
 	    raw_printf("\n%s\n", errbuf);
-	    (void)close(gfd);
-	    (void)close(sfd);
+	    (void)nhclose(gfd);
+	    (void)nhclose(sfd);
 	    delete_savefile();
 	    return FALSE;
 	}
@@ -3020,8 +3027,8 @@ recover_savefile()
 	if (write(sfd, (genericptr_t) &version_data, sizeof version_data)
 		!= sizeof version_data) {
 	    raw_printf("\nError writing %s; recovery failed.", SAVEF);
-	    (void)close(gfd);
-	    (void)close(sfd);
+	    (void)nhclose(gfd);
+	    (void)nhclose(sfd);
 	    delete_savefile();
 	    return FALSE;
 	}
@@ -3031,8 +3038,8 @@ recover_savefile()
 	    raw_printf(
 		    "\nError writing %s; recovery failed (savefile_info).\n",
 		    SAVEF);
-	    (void)close(gfd);
-	    (void)close(sfd);
+	    (void)nhclose(gfd);
+	    (void)nhclose(sfd);
 	    delete_savefile();
 	    return FALSE;
 	}
@@ -3042,8 +3049,8 @@ recover_savefile()
 	    raw_printf(
 		    "Error writing %s; recovery failed (player name size).\n",
 		    SAVEF);
-	    (void)close(gfd);
-	    (void)close(sfd);
+	    (void)nhclose(gfd);
+	    (void)nhclose(sfd);
 	    delete_savefile();
 	    return FALSE;
 	}
@@ -3053,28 +3060,28 @@ recover_savefile()
 	    raw_printf(
 		    "Error writing %s; recovery failed (player name).\n",
 		    SAVEF);
-	    (void)close(gfd);
-	    (void)close(sfd);
+	    (void)nhclose(gfd);
+	    (void)nhclose(sfd);
 	    delete_savefile();
 	    return FALSE;
 	}
 
 	if (!copy_bytes(lfd, sfd)) {
-		(void) close(lfd);
-		(void) close(sfd);
+		(void) nhclose(lfd);
+		(void) nhclose(sfd);
 		delete_savefile();
 		return FALSE;
 	}
-	(void)close(lfd);
+	(void)nhclose(lfd);
 	processed[savelev] = 1;
 
 	if (!copy_bytes(gfd, sfd)) {
-		(void) close(lfd);
-		(void) close(sfd);
+		(void) nhclose(lfd);
+		(void) nhclose(sfd);
 		delete_savefile();
 		return FALSE;
 	}
-	(void)close(gfd);
+	(void)nhclose(gfd);
 	processed[0] = 1;
 
 	for (lev = 1; lev < 256; lev++) {
@@ -3088,17 +3095,17 @@ recover_savefile()
 				levc = (xchar) lev;
 				write(sfd, (genericptr_t) &levc, sizeof(levc));
 				if (!copy_bytes(lfd, sfd)) {
-					(void) close(lfd);
-					(void) close(sfd);
+					(void) nhclose(lfd);
+					(void) nhclose(sfd);
 					delete_savefile();
 					return FALSE;
 				}
-				(void)close(lfd);
+				(void)nhclose(lfd);
 				processed[lev] = 1;
 			}
 		}
 	}
-	(void)close(sfd);
+	(void)nhclose(sfd);
 
 #ifdef HOLD_LOCKFILE_OPEN
 	really_close();