From d7124edb5a8c406c28c6124593a5088f4709f895 Mon Sep 17 00:00:00 2001
From: Robin Mueller <muellerr@irs.uni-stuttgart.de>
Date: Fri, 24 May 2024 16:25:18 +0200
Subject: [PATCH] safety check for basename function

---
 src/fsfw_hal/host/HostFilesystem.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/fsfw_hal/host/HostFilesystem.cpp b/src/fsfw_hal/host/HostFilesystem.cpp
index f8739fb8..026910a6 100644
--- a/src/fsfw_hal/host/HostFilesystem.cpp
+++ b/src/fsfw_hal/host/HostFilesystem.cpp
@@ -178,6 +178,10 @@ ReturnValue_t HostFilesystem::isDirectory(const char *path, bool &isDirectory) {
 ReturnValue_t HostFilesystem::getBaseFilename(FilesystemParams params, char *nameBuf, size_t maxLen,
                                               size_t &baseNameLen) {
   std::string path(params.path);
+  size_t lastPos = path.find_last_of("/\\");
+  if (lastPos == std::string::npos) {
+    return returnvalue::FAILED;
+  }
   std::string baseName = path.substr(path.find_last_of("/\\") + 1);
   if (baseName.size() + 1 > maxLen) {
     return returnvalue::FAILED;