From ff86ed2e77c3d94b60e5421d66c9234e1c0e322a Mon Sep 17 00:00:00 2001
From: piepie62 <christopherfeger@yahoo.com>
Date: Mon, 15 Apr 2019 03:41:25 -0700
Subject: [PATCH] Add bounds checking

---
 sysmodules/rosalina/source/menus/cheats.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sysmodules/rosalina/source/menus/cheats.c b/sysmodules/rosalina/source/menus/cheats.c
index e32d321..5adfe4b 100644
--- a/sysmodules/rosalina/source/menus/cheats.c
+++ b/sysmodules/rosalina/source/menus/cheats.c
@@ -887,13 +887,13 @@ static Result Cheat_ReadLine(char* line, u32 lineSize)
 
     char c = '\0';
     u32 idx = 0;
-    while (R_SUCCEEDED(res))
+    while (R_SUCCEEDED(res) && cheatFilePos < sizeof(cheatFileBuffer))
     {
         c = cheatFileBuffer[cheatFilePos++];
         res = c ? 0 : -1;
         if (R_SUCCEEDED(res) && c != '\0')
         {
-            if (c == '\r' && cheatFileBuffer[cheatFilePos] == '\n')
+            if (c == '\r' && cheatFilePos < sizeof(cheatFileBuffer) && cheatFileBuffer[cheatFilePos] == '\n')
             {
                 cheatFilePos++;
                 line[idx++] = '\0';