From d95a606ec2b48a19f1374a71a0cac6069535e136 Mon Sep 17 00:00:00 2001
From: d0k3 <tore.anon@gmail.com>
Date: Tue, 8 Mar 2022 18:47:32 +0100
Subject: [PATCH] Fix bad trimming of certain NDS dumps

Fixes #763
---
 arm9/source/utils/gameutil.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arm9/source/utils/gameutil.c b/arm9/source/utils/gameutil.c
index 6ec9c4c..79a9a2b 100644
--- a/arm9/source/utils/gameutil.c
+++ b/arm9/source/utils/gameutil.c
@@ -3294,7 +3294,8 @@ u64 GetGameFileTrimmedSize(const char* path) {
             return 0;
         if (hdr.unit_code != 0x00) // DSi or NDS+DSi
             trimsize = hdr.ntr_twl_rom_size;
-        else trimsize = hdr.ntr_rom_size + 0x88; // regular NDS
+        else if (hdr.ntr_rom_size) // regular NDS
+            trimsize = hdr.ntr_rom_size + 0x88;
     } else {
         u8 hdr[0x200];
         if (fvx_qread(path, &hdr, 0, 0x200, NULL) != FR_OK)