From 806913baf585ded75e0000c28da23a9663d01bb2 Mon Sep 17 00:00:00 2001
From: mailwl <mailwl@gmail.com>
Date: Fri, 7 Feb 2025 20:52:13 +0300
Subject: [PATCH] Fix lseek(fd, -1, SEEK_SET) for XNA

---
 src/core/libraries/kernel/file_system.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/core/libraries/kernel/file_system.cpp b/src/core/libraries/kernel/file_system.cpp
index 0150c11f5..600164ef7 100644
--- a/src/core/libraries/kernel/file_system.cpp
+++ b/src/core/libraries/kernel/file_system.cpp
@@ -317,6 +317,12 @@ s64 PS4_SYSV_ABI sceKernelLseek(int d, s64 offset, int whence) {
 }
 
 s64 PS4_SYSV_ABI posix_lseek(int d, s64 offset, int whence) {
+    // Workaround for XNA AudioEngine
+    if (whence == SEEK_SET && (s32)offset == -1) {
+        SetPosixErrno(EINVAL);
+        return offset;
+    }
+
     s64 result = sceKernelLseek(d, offset, whence);
     if (result < 0) {
         LOG_ERROR(Kernel_Pthread, "posix_lseek: error = {}", result);