From 5b72bfdf16b1e3376a04570405a497b7753aa631 Mon Sep 17 00:00:00 2001
From: d0k3 <tore.anon@gmail.com>
Date: Thu, 24 May 2018 16:59:37 +0200
Subject: [PATCH] Shift-JIS workaround for NDS image mounting

Fixes #368
---
 arm9/source/virtual/vgame.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arm9/source/virtual/vgame.c b/arm9/source/virtual/vgame.c
index 20c2348..13415f1 100644
--- a/arm9/source/virtual/vgame.c
+++ b/arm9/source/virtual/vgame.c
@@ -1158,6 +1158,15 @@ bool GetVGameNitroFilename(char* name, const VirtualFile* vfile, u32 n_chars) {
     for (u32 i = 0; i < name_len; i++)
         if (name[i] == '%') name[i] = '_';
     
+    // Shift-JIS workaround
+    for (u32 i = 0; i < name_len; i++) {
+        if (name[i] >= 0x80) { // this is a Shift-JIS filename
+            // the sequence below is UTF-8 for "Japanese"
+            snprintf(name, 32, "\xe6\x97\xa5\xe6\x9c\xac\xe8\xaa\x9e%08lX.sjis", (u32) (vfile->offset >> 32));
+            break;
+        }
+    }
+    
     return true;
 }