From 1f2d6a78f263935744aea35e577455748c87757b Mon Sep 17 00:00:00 2001
From: d0k3 <tore.anon@gmail.com>
Date: Tue, 19 Sep 2017 15:20:10 +0200
Subject: [PATCH] Prevent AR dumps from triggering exceptions

---
 source/game/nds.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/source/game/nds.c b/source/game/nds.c
index 4eb6007..c1b76ea 100644
--- a/source/game/nds.c
+++ b/source/game/nds.c
@@ -109,8 +109,9 @@ u32 FindNitroRomDir(u32 dirid, u32* fileid, u8** fnt_entry, TwlHeader* hdr, u8*
     
     // check subtable / directory validity
     u32 fid = *fileid;
-    for (u8* entry = *fnt_entry; *entry; entry = FNT_ENTRY_NEXT(entry)) {
+    for (u8* entry = *fnt_entry;; entry = FNT_ENTRY_NEXT(entry)) {
         if (entry >= fnt + hdr->fnt_size) return 1; // corrupt subtable
+        if (!*entry) break; // end of table reached
         if (fat_lut[fid].start_address > fat_lut[fid].end_address) return 1; // corrupt fat
         if (!FNT_ENTRY_ISDIR(entry)) fid++;
     }