From 3460174b2721e7792715fc15baf66806471d276c Mon Sep 17 00:00:00 2001
From: nthnn <nathanneisip@gmail.com>
Date: Thu, 11 Apr 2024 05:33:55 +0800
Subject: [PATCH] Fixed rishka_sanitize_path() usage on rishka_syscalls.cpp

---
 src/rishka_syscalls.cpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/rishka_syscalls.cpp b/src/rishka_syscalls.cpp
index bc39e71..7d05a26 100644
--- a/src/rishka_syscalls.cpp
+++ b/src/rishka_syscalls.cpp
@@ -280,8 +280,12 @@ long RishkaSyscall::Sys::randomImpl() {
 
 bool RishkaSyscall::Sys::changeDir(RishkaVM* vm) {
     auto dir = vm->getPointerParam<char*>(0);
-    
-    dir = rishka_sanitize_path(dir);
+    if(dir == "~") {
+        vm->setWorkingDirectory(F("/"));
+        return true;
+    }
+ 
+    dir = rishka_sanitize_path(vm->getWorkingDirectory(), dir);
     if(!SD.exists(dir))
         return false;