From 26e4445189b676eaee11840e5a9d0ede25cf3896 Mon Sep 17 00:00:00 2001
From: Robin Mueller <muellerr@irs.uni-stuttgart.de>
Date: Wed, 8 Mar 2023 14:47:03 +0100
Subject: [PATCH] exceptionless host filesystem

---
 src/fsfw_hal/host/HostFilesystem.cpp | 24 ++++++++++++++++--------
 1 file changed, 16 insertions(+), 8 deletions(-)

diff --git a/src/fsfw_hal/host/HostFilesystem.cpp b/src/fsfw_hal/host/HostFilesystem.cpp
index d430d0f0..315ba422 100644
--- a/src/fsfw_hal/host/HostFilesystem.cpp
+++ b/src/fsfw_hal/host/HostFilesystem.cpp
@@ -15,7 +15,8 @@ ReturnValue_t HostFilesystem::writeToFile(FileOpParams params, const uint8_t *da
     return returnvalue::FAILED;
   }
   path path(params.path());
-  if (not exists(path)) {
+  std::error_code e;
+  if (not exists(path, e)) {
     return HasFileSystemIF::FILE_DOES_NOT_EXIST;
   }
   // This is equivalent to "r+" mode, which is what we need here. Only using ::out would truncate
@@ -35,7 +36,8 @@ ReturnValue_t HostFilesystem::readFromFile(FileOpParams params, uint8_t **buffer
     return returnvalue::FAILED;
   }
   path path(params.path());
-  if (not exists(path)) {
+  std::error_code e;
+  if (not exists(path, e)) {
     return HasFileSystemIF::FILE_DOES_NOT_EXIST;
   }
   ifstream file(path);
@@ -59,7 +61,8 @@ ReturnValue_t HostFilesystem::createFile(FilesystemParams params, const uint8_t
     return returnvalue::FAILED;
   }
   path path(params.path);
-  if (exists(path)) {
+  std::error_code e;
+  if (exists(path, e)) {
     return HasFileSystemIF::FILE_ALREADY_EXISTS;
   }
   ofstream file(path);
@@ -74,7 +77,8 @@ ReturnValue_t HostFilesystem::removeFile(const char *path_, FileSystemArgsIF *ar
     return returnvalue::FAILED;
   }
   path path(path_);
-  if (not exists(path)) {
+  std::error_code e;
+  if (not exists(path, e)) {
     return HasFileSystemIF::FILE_DOES_NOT_EXIST;
   }
   if (remove(path, errorCode)) {
@@ -89,7 +93,8 @@ ReturnValue_t HostFilesystem::createDirectory(FilesystemParams params, bool crea
   }
   path dirPath(params.path);
 
-  if (exists(dirPath)) {
+  std::error_code e;
+  if (exists(dirPath, e)) {
     return HasFileSystemIF::DIRECTORY_ALREADY_EXISTS;
   }
 
@@ -110,7 +115,8 @@ ReturnValue_t HostFilesystem::removeDirectory(FilesystemParams params, bool dele
     return returnvalue::FAILED;
   }
   path dirPath(params.path);
-  if (not exists(dirPath)) {
+  std::error_code e;
+  if (not exists(dirPath, e)) {
     return HasFileSystemIF::DIRECTORY_DOES_NOT_EXIST;
   }
   if (is_regular_file(dirPath)) {
@@ -149,12 +155,14 @@ ReturnValue_t HostFilesystem::rename(const char *oldPath_, const char *newPath_,
 
 bool HostFilesystem::fileExists(FilesystemParams params) {
   path path(params.path);
-  return filesystem::exists(path);
+  std::error_code e;
+  return filesystem::exists(path, e);
 }
 
 ReturnValue_t HostFilesystem::truncateFile(FilesystemParams params) {
   path path(params.path);
-  if (not filesystem::exists(path)) {
+  std::error_code e;
+  if (not filesystem::exists(path, e)) {
     return FILE_DOES_NOT_EXIST;
   }
   ofstream of(path);