From 07b06b8552562107db95af56ae3042b9aaeea44a Mon Sep 17 00:00:00 2001
From: d0k3 <tore.anon@gmail.com>
Date: Fri, 16 Mar 2018 18:46:53 +0100
Subject: [PATCH] Fix file corruption when copying dirs to A:/

thanks @ihaveamac for pointing this one out.
---
 arm9/source/filesys/fsutil.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/arm9/source/filesys/fsutil.c b/arm9/source/filesys/fsutil.c
index 9296449..4d2253f 100644
--- a/arm9/source/filesys/fsutil.c
+++ b/arm9/source/filesys/fsutil.c
@@ -487,10 +487,9 @@ bool PathMoveCopyRec(char* dest, char* orig, u32* flags, bool move, u8* buffer,
                 char* oname = strrchr(orig, '/');
                 char* dname = dest + strnlen(dest, 255);
                 if (oname == NULL) return false; // not a proper origin path
-                *(dname++) = '/';
-                strncpy(dname, oname++, 256 - (dname - dest));
+                strncpy(dname, oname, 256 - (dname - dest)); // copy name plus preceding '/'
                 bool res = PathMoveCopyRec(dest, orig, flags, move, buffer, bufsiz);
-                *(--dname) = '\0';
+                *dname = '\0';
                 if (!res) break;
             }
         }