From 23b669871c02864743eba93438f0c05325d22bff Mon Sep 17 00:00:00 2001
From: georgemoralis <giorgosmrls@gmail.com>
Date: Fri, 17 Nov 2023 08:00:46 +0200
Subject: [PATCH] some fs for libkernel

---
 src/core/hle/libraries/libkernel/file_system.cpp | 7 +++++--
 src/core/hle/libraries/libkernel/file_system.h   | 2 +-
 src/core/hle/libraries/libkernel/libkernel.cpp   | 1 +
 3 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/core/hle/libraries/libkernel/file_system.cpp b/src/core/hle/libraries/libkernel/file_system.cpp
index 271cf363d..ca38cf79a 100644
--- a/src/core/hle/libraries/libkernel/file_system.cpp
+++ b/src/core/hle/libraries/libkernel/file_system.cpp
@@ -12,7 +12,7 @@ int PS4_SYSV_ABI sceKernelOpen(const char* path, int flags, u16 mode) {
     return 0;
 }
 
-int PS4_SYSV_ABI open(const char* path, int flags, /* SceKernelMode*/ u16 mode) {
+int PS4_SYSV_ABI posix_open(const char* path, int flags, /* SceKernelMode*/ u16 mode) {
     LOG_INFO_IF(log_file_fs, "posix open redirect to sceKernelOpen\n");
     int result = sceKernelOpen(path, flags, mode);
     if (result < 0) {
@@ -23,7 +23,10 @@ int PS4_SYSV_ABI open(const char* path, int flags, /* SceKernelMode*/ u16 mode)
 
 void fileSystemSymbolsRegister(Loader::SymbolsResolver* sym) {
     LIB_FUNCTION("1G3lF1Gg1k8", "libkernel", 1, "libkernel", 1, 1, sceKernelOpen);
-    LIB_FUNCTION("wuCroIGjt2g", "libScePosix", 1, "libkernel", 1, 1, open);
+    LIB_FUNCTION("wuCroIGjt2g", "libScePosix", 1, "libkernel", 1, 1, posix_open);
+
+    //openOrbis (to check if it is valid out of OpenOrbis
+    LIB_FUNCTION("6c3rCVE-fTU", "libkernel", 1, "libkernel", 1, 1, posix_open);// _open shoudld be equal to open function
 }
 
 } // namespace Core::Libraries::LibKernel
diff --git a/src/core/hle/libraries/libkernel/file_system.h b/src/core/hle/libraries/libkernel/file_system.h
index f5be1d1e0..010e952a3 100644
--- a/src/core/hle/libraries/libkernel/file_system.h
+++ b/src/core/hle/libraries/libkernel/file_system.h
@@ -10,7 +10,7 @@ namespace Core::Libraries::LibKernel {
 
 int PS4_SYSV_ABI sceKernelOpen(const char *path, int flags, /* SceKernelMode*/ u16 mode);
 
-int PS4_SYSV_ABI open(const char *path, int flags, /* SceKernelMode*/ u16 mode);
+int PS4_SYSV_ABI posix_open(const char *path, int flags, /* SceKernelMode*/ u16 mode);
 
 void fileSystemSymbolsRegister(Loader::SymbolsResolver *sym);
 
diff --git a/src/core/hle/libraries/libkernel/libkernel.cpp b/src/core/hle/libraries/libkernel/libkernel.cpp
index ee60d2766..2b63195c7 100644
--- a/src/core/hle/libraries/libkernel/libkernel.cpp
+++ b/src/core/hle/libraries/libkernel/libkernel.cpp
@@ -47,6 +47,7 @@ struct iovec {
 };
 
 size_t PS4_SYSV_ABI _writev(int fd, const struct iovec* iov, int iovcn) {
+    //weird it gives fd ==0 and writes to stdout , i am not sure if it that is valid (found in openorbis)
     size_t total_written = 0;
     for (int i = 0; i < iovcn; i++) {
         total_written += ::fwrite(iov[i].iov_base, 1, iov[i].iov_len, stdout);