From bbd34ae7e7f46ee0813a1dc77b5f788bb8a22a1d Mon Sep 17 00:00:00 2001
From: Dima <dimaxdqwerty@gmail.com>
Date: Tue, 29 Nov 2022 10:14:43 +0300
Subject: [PATCH] Validate if entries are not empty before using

Should fix saving problem in Baldur's Gate: Dark Alliance II at least
---
 .../cpp/skyline/services/fssrv/IDirectory.cpp | 19 ++++++++++---------
 1 file changed, 10 insertions(+), 9 deletions(-)

diff --git a/app/src/main/cpp/skyline/services/fssrv/IDirectory.cpp b/app/src/main/cpp/skyline/services/fssrv/IDirectory.cpp
index 75c7c681..d4f84fa5 100644
--- a/app/src/main/cpp/skyline/services/fssrv/IDirectory.cpp
+++ b/app/src/main/cpp/skyline/services/fssrv/IDirectory.cpp
@@ -28,17 +28,18 @@ namespace skyline::service::fssrv {
         auto outputEntries{request.outputBuf.at(0).cast<DirectoryEntry, std::dynamic_extent, true>()};
         size_t i{};
 
-        for (; i < std::min(entries.size() - remainingReadCount, outputEntries.size()); i++) {
-            auto &entry{entries.at(i)};
+        if (!entries.empty())
+            for (; i < std::min(entries.size() - remainingReadCount, outputEntries.size()); i++) {
+                auto &entry{entries.at(i)};
 
-            outputEntries[i] = {
-                .type = entry.type,
-                .attributes.directory = (entry.type == vfs::Directory::EntryType::Directory),
-                .size = entry.size,
-            };
+                outputEntries[i] = {
+                    .type = entry.type,
+                    .attributes.directory = (entry.type == vfs::Directory::EntryType::Directory),
+                    .size = entry.size,
+                };
 
-            span(outputEntries[i].name).copy_from(entry.name);
-        }
+                span(outputEntries[i].name).copy_from(entry.name);
+            }
 
         remainingReadCount += i;
         response.Push<u64>(i);