From 7982d51fecd39ca608601bffad923b06c4a8b85d Mon Sep 17 00:00:00 2001
From: beeget <yaman.ss1@hotmail.com>
Date: Thu, 14 May 2026 20:31:08 +0200
Subject: [PATCH] fix: release fd slot on failed file open

---
 src/rars/util/SystemIO.java | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/rars/util/SystemIO.java b/src/rars/util/SystemIO.java
index 3b9b4126..90793863 100644
--- a/src/rars/util/SystemIO.java
+++ b/src/rars/util/SystemIO.java
@@ -392,6 +392,7 @@ public static int openFile(String filename, int flags) {
                 FileIOData.setStreamInUse(fdToUse, inputStream); // Save stream for later use
             } catch (FileNotFoundException e) {
                 fileErrorString = "File " + filename + " not found, open for input.";
+                FileIOData.close(fdToUse);
                 retValue = -1;
             }
         } else if ((flags & O_WRONLY) != 0) // Open for writing only
@@ -402,6 +403,7 @@ public static int openFile(String filename, int flags) {
                 FileIOData.setStreamInUse(fdToUse, outputStream); // Save stream for later use
             } catch (FileNotFoundException e) {
                 fileErrorString = "File " + filename + " not found, open for output.";
+                FileIOData.close(fdToUse);
                 retValue = -1;
             }
         }