--- np2/generic/hostdrv.c	2004/01/12 08:01:00	1.6
+++ np2/generic/hostdrv.c	2004/01/15 06:20:42	1.8
@@ -1,3 +1,6 @@
+#include	"compiler.h"
+
+#if defined(SUPPORT_HOSTDRV)
 
 /*
 	ゲストOS(DOS)からホストOS(Win)にアクセスするの〜
@@ -6,7 +9,6 @@
 	更に、手抜き版だし(マテ
 */
 
-#include	"compiler.h"
 #include	"dosio.h"
 #include	"cpucore.h"
 #include	"pccore.h"
@@ -476,7 +478,8 @@ static void change_currdir(INTRST intrst
 		succeed(intrst);
 		return;
 	}
-	if ((is_wildcards(intrst->fcbname_ptr) != FALSE) ||
+	if ((strlen(intrst->filename_ptr) >= (67 - ROOTPATH_SIZE)) ||
+		(is_wildcards(intrst->fcbname_ptr) != FALSE) ||
 		(hostdrvs_getrealpath(&hdp, ptr) != SUCCESS) ||
 		(hdp.di.fcbname[0] == ' ') || (!(hdp.di.attr & 0x10))) {
 		fail(intrst, ERR_PATHNOTFOUND);
@@ -1117,3 +1120,5 @@ void hostdrv_intr(void) {
 	store_intr_regs(&intrst);
 }
 
+#endif
+