From 90fdc8dcbfb1e1ec80aee24c59a9c631a63e4d66 Mon Sep 17 00:00:00 2001
From: Subv <subv2112@gmail.com>
Date: Tue, 12 Dec 2017 17:41:36 -0500
Subject: [PATCH 1/8] FS: Make LowPathType a strongly typed enum.

---
 src/core/file_sys/archive_backend.cpp        | 46 ++++++++++----------
 src/core/file_sys/archive_backend.h          |  8 ++--
 src/core/file_sys/archive_other_savedata.cpp |  2 +-
 3 files changed, 28 insertions(+), 28 deletions(-)

diff --git a/src/core/file_sys/archive_backend.cpp b/src/core/file_sys/archive_backend.cpp
index 87a240d7a..b27422cba 100644
--- a/src/core/file_sys/archive_backend.cpp
+++ b/src/core/file_sys/archive_backend.cpp
@@ -14,19 +14,19 @@ namespace FileSys {
 
 Path::Path(LowPathType type, u32 size, u32 pointer) : type(type) {
     switch (type) {
-    case Binary: {
+    case LowPathType::Binary: {
         binary.resize(size);
         Memory::ReadBlock(pointer, binary.data(), binary.size());
         break;
     }
 
-    case Char: {
+    case LowPathType::Char: {
         string.resize(size - 1); // Data is always null-terminated.
         Memory::ReadBlock(pointer, &string[0], string.size());
         break;
     }
 
-    case Wchar: {
+    case LowPathType::Wchar: {
         u16str.resize(size / 2 - 1); // Data is always null-terminated.
         Memory::ReadBlock(pointer, &u16str[0], u16str.size() * sizeof(char16_t));
         break;
@@ -39,12 +39,12 @@ Path::Path(LowPathType type, u32 size, u32 pointer) : type(type) {
 
 std::string Path::DebugStr() const {
     switch (GetType()) {
-    case Invalid:
+    case LowPathType::Invalid:
     default:
         return "[Invalid]";
-    case Empty:
+    case LowPathType::Empty:
         return "[Empty]";
-    case Binary: {
+    case LowPathType::Binary: {
         std::stringstream res;
         res << "[Binary: ";
         for (unsigned byte : binary)
@@ -52,23 +52,23 @@ std::string Path::DebugStr() const {
         res << ']';
         return res.str();
     }
-    case Char:
+    case LowPathType::Char:
         return "[Char: " + AsString() + ']';
-    case Wchar:
+    case LowPathType::Wchar:
         return "[Wchar: " + AsString() + ']';
     }
 }
 
 std::string Path::AsString() const {
     switch (GetType()) {
-    case Char:
+    case LowPathType::Char:
         return string;
-    case Wchar:
+    case LowPathType::Wchar:
         return Common::UTF16ToUTF8(u16str);
-    case Empty:
+    case LowPathType::Empty:
         return {};
-    case Invalid:
-    case Binary:
+    case LowPathType::Invalid:
+    case LowPathType::Binary:
     default:
         // TODO(yuriks): Add assert
         LOG_ERROR(Service_FS, "LowPathType cannot be converted to string!");
@@ -78,14 +78,14 @@ std::string Path::AsString() const {
 
 std::u16string Path::AsU16Str() const {
     switch (GetType()) {
-    case Char:
+    case LowPathType::Char:
         return Common::UTF8ToUTF16(string);
-    case Wchar:
+    case LowPathType::Wchar:
         return u16str;
-    case Empty:
+    case LowPathType::Empty:
         return {};
-    case Invalid:
-    case Binary:
+    case LowPathType::Invalid:
+    case LowPathType::Binary:
         // TODO(yuriks): Add assert
         LOG_ERROR(Service_FS, "LowPathType cannot be converted to u16string!");
         return {};
@@ -96,11 +96,11 @@ std::u16string Path::AsU16Str() const {
 
 std::vector<u8> Path::AsBinary() const {
     switch (GetType()) {
-    case Binary:
+    case LowPathType::Binary:
         return binary;
-    case Char:
+    case LowPathType::Char:
         return std::vector<u8>(string.begin(), string.end());
-    case Wchar: {
+    case LowPathType::Wchar: {
         // use two u8 for each character of u16str
         std::vector<u8> to_return(u16str.size() * 2);
         for (size_t i = 0; i < u16str.size(); ++i) {
@@ -110,9 +110,9 @@ std::vector<u8> Path::AsBinary() const {
         }
         return to_return;
     }
-    case Empty:
+    case LowPathType::Empty:
         return {};
-    case Invalid:
+    case LowPathType::Invalid:
     default:
         // TODO(yuriks): Add assert
         LOG_ERROR(Service_FS, "LowPathType cannot be converted to binary!");
diff --git a/src/core/file_sys/archive_backend.h b/src/core/file_sys/archive_backend.h
index 58f6c150c..d49ebbbac 100644
--- a/src/core/file_sys/archive_backend.h
+++ b/src/core/file_sys/archive_backend.h
@@ -19,7 +19,7 @@ class FileBackend;
 class DirectoryBackend;
 
 // Path string type
-enum LowPathType : u32 {
+enum class LowPathType : u32 {
     Invalid = 0,
     Empty = 1,
     Binary = 2,
@@ -36,9 +36,9 @@ union Mode {
 
 class Path {
 public:
-    Path() : type(Invalid) {}
-    Path(const char* path) : type(Char), string(path) {}
-    Path(std::vector<u8> binary_data) : type(Binary), binary(std::move(binary_data)) {}
+    Path() : type(LowPathType::Invalid) {}
+    Path(const char* path) : type(LowPathType::Char), string(path) {}
+    Path(std::vector<u8> binary_data) : type(LowPathType::Binary), binary(std::move(binary_data)) {}
     Path(LowPathType type, u32 size, u32 pointer);
 
     LowPathType GetType() const {
diff --git a/src/core/file_sys/archive_other_savedata.cpp b/src/core/file_sys/archive_other_savedata.cpp
index 1977585b5..93104a9e0 100644
--- a/src/core/file_sys/archive_other_savedata.cpp
+++ b/src/core/file_sys/archive_other_savedata.cpp
@@ -22,7 +22,7 @@ namespace {
 
 template <typename T>
 ResultVal<std::tuple<MediaType, u64>> ParsePath(const Path& path, T program_id_reader) {
-    if (path.GetType() != Binary) {
+    if (path.GetType() != LowPathType::Binary) {
         LOG_ERROR(Service_FS, "Wrong path type %d", static_cast<int>(path.GetType()));
         return ERROR_INVALID_PATH;
     }

From e9a70ce2fc2f41742497f7265b7438b81e112573 Mon Sep 17 00:00:00 2001
From: Subv <subv2112@gmail.com>
Date: Sat, 9 Dec 2017 12:39:00 -0500
Subject: [PATCH 2/8] HLE/FS: Use IPCHelper in OpenFileDirectly.

---
 src/core/hle/service/fs/fs_user.cpp | 44 +++++++++++++++--------------
 1 file changed, 23 insertions(+), 21 deletions(-)

diff --git a/src/core/hle/service/fs/fs_user.cpp b/src/core/hle/service/fs/fs_user.cpp
index 4e774394b..1b439bf33 100644
--- a/src/core/hle/service/fs/fs_user.cpp
+++ b/src/core/hle/service/fs/fs_user.cpp
@@ -113,18 +113,18 @@ static void OpenFile(Service::Interface* self) {
  *      3 : File handle
  */
 static void OpenFileDirectly(Service::Interface* self) {
-    u32* cmd_buff = Kernel::GetCommandBuffer();
+    IPC::RequestParser rp(Kernel::GetCommandBuffer(), 0x803, 8, 4);
+    rp.Skip(1, false); // Transaction
 
-    auto archive_id = static_cast<FS::ArchiveIdCode>(cmd_buff[2]);
-    auto archivename_type = static_cast<FileSys::LowPathType>(cmd_buff[3]);
-    u32 archivename_size = cmd_buff[4];
-    auto filename_type = static_cast<FileSys::LowPathType>(cmd_buff[5]);
-    u32 filename_size = cmd_buff[6];
-    FileSys::Mode mode;
-    mode.hex = cmd_buff[7];
-    u32 attributes = cmd_buff[8]; // TODO(Link Mauve): do something with those attributes.
-    u32 archivename_ptr = cmd_buff[10];
-    u32 filename_ptr = cmd_buff[12];
+    auto archive_id = rp.PopEnum<FS::ArchiveIdCode>();
+    auto archivename_type = rp.PopEnum<FileSys::LowPathType>();
+    u32 archivename_size = rp.Pop<u32>();
+    auto filename_type = rp.PopEnum<FileSys::LowPathType>();
+    u32 filename_size = rp.Pop<u32>();
+    FileSys::Mode mode{rp.Pop<u32>()};
+    u32 attributes = rp.Pop<u32>(); // TODO(Link Mauve): do something with those attributes.
+    u32 archivename_ptr = rp.PopStaticBuffer(nullptr);
+    u32 filename_ptr = rp.PopStaticBuffer(nullptr);
     FileSys::Path archive_path(archivename_type, archivename_size, archivename_ptr);
     FileSys::Path file_path(filename_type, filename_size, filename_ptr);
 
@@ -132,25 +132,27 @@ static void OpenFileDirectly(Service::Interface* self) {
               static_cast<u32>(archive_id), archive_path.DebugStr().c_str(),
               file_path.DebugStr().c_str(), mode.hex, attributes);
 
+    IPC::RequestBuilder rb = rp.MakeBuilder(1, 2);
+
     ResultVal<ArchiveHandle> archive_handle = OpenArchive(archive_id, archive_path);
     if (archive_handle.Failed()) {
         LOG_ERROR(Service_FS,
                   "Failed to get a handle for archive archive_id=0x%08X archive_path=%s",
                   static_cast<u32>(archive_id), archive_path.DebugStr().c_str());
-        cmd_buff[1] = archive_handle.Code().raw;
-        cmd_buff[3] = 0;
+        rb.Push(archive_handle.Code());
+        rb.PushMoveHandles(0);
         return;
     }
     SCOPE_EXIT({ CloseArchive(*archive_handle); });
 
     ResultVal<std::shared_ptr<File>> file_res =
         OpenFileFromArchive(*archive_handle, file_path, mode);
-    cmd_buff[1] = file_res.Code().raw;
+    rb.Push(file_res.Code());
     if (file_res.Succeeded()) {
         std::shared_ptr<File> file = *file_res;
-        cmd_buff[3] = Kernel::g_handle_table.Create(file->Connect()).Unwrap();
+        rb.PushMoveHandles(Kernel::g_handle_table.Create(file->Connect()).Unwrap());
     } else {
-        cmd_buff[3] = 0;
+        rb.PushMoveHandles(0);
         LOG_ERROR(Service_FS, "failed to get a handle for file %s mode=%u attributes=%u",
                   file_path.DebugStr().c_str(), mode.hex, attributes);
     }
@@ -478,11 +480,11 @@ static void CloseArchive(Service::Interface* self) {
 }
 
 /*
-* FS_User::IsSdmcDetected service function
-*  Outputs:
-*      1 : Result of function, 0 on success, otherwise error code
-*      2 : Whether the Sdmc could be detected
-*/
+ * FS_User::IsSdmcDetected service function
+ *  Outputs:
+ *      1 : Result of function, 0 on success, otherwise error code
+ *      2 : Whether the Sdmc could be detected
+ */
 static void IsSdmcDetected(Service::Interface* self) {
     u32* cmd_buff = Kernel::GetCommandBuffer();
 

From a6c69bfca01c074e40ac095166a3cb91a17bd625 Mon Sep 17 00:00:00 2001
From: Subv <subv2112@gmail.com>
Date: Sat, 9 Dec 2017 12:42:22 -0500
Subject: [PATCH 3/8] HLE/FS: Use IPCHelper in DeleteFile.

---
 src/core/hle/service/fs/fs_user.cpp | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/src/core/hle/service/fs/fs_user.cpp b/src/core/hle/service/fs/fs_user.cpp
index 1b439bf33..3acddb3e3 100644
--- a/src/core/hle/service/fs/fs_user.cpp
+++ b/src/core/hle/service/fs/fs_user.cpp
@@ -170,19 +170,20 @@ static void OpenFileDirectly(Service::Interface* self) {
  *      1 : Result of function, 0 on success, otherwise error code
  */
 static void DeleteFile(Service::Interface* self) {
-    u32* cmd_buff = Kernel::GetCommandBuffer();
-
-    ArchiveHandle archive_handle = MakeArchiveHandle(cmd_buff[2], cmd_buff[3]);
-    auto filename_type = static_cast<FileSys::LowPathType>(cmd_buff[4]);
-    u32 filename_size = cmd_buff[5];
-    u32 filename_ptr = cmd_buff[7];
+    IPC::RequestParser rp(Kernel::GetCommandBuffer(), 0x804, 5, 2);
+    rp.Skip(1, false); // TransactionId
+    ArchiveHandle archive_handle = rp.PopRaw<ArchiveHandle>();
+    auto filename_type = rp.PopEnum<FileSys::LowPathType>();
+    u32 filename_size = rp.Pop<u32>();
+    u32 filename_ptr = rp.PopStaticBuffer(nullptr);
 
     FileSys::Path file_path(filename_type, filename_size, filename_ptr);
 
     LOG_DEBUG(Service_FS, "type=%u size=%u data=%s", static_cast<u32>(filename_type), filename_size,
               file_path.DebugStr().c_str());
 
-    cmd_buff[1] = DeleteFileFromArchive(archive_handle, file_path).raw;
+    IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
+    rb.Push(DeleteFileFromArchive(archive_handle, file_path));
 }
 
 /*

From b631f77d1168eb5e5954344c2d29e70c2783a59a Mon Sep 17 00:00:00 2001
From: Subv <subv2112@gmail.com>
Date: Sat, 9 Dec 2017 12:46:37 -0500
Subject: [PATCH 4/8] HLE/FS: Use IPCHelper in RenameFile.

---
 src/core/hle/service/fs/fs_user.cpp | 26 +++++++++++++-------------
 1 file changed, 13 insertions(+), 13 deletions(-)

diff --git a/src/core/hle/service/fs/fs_user.cpp b/src/core/hle/service/fs/fs_user.cpp
index 3acddb3e3..03cabfaba 100644
--- a/src/core/hle/service/fs/fs_user.cpp
+++ b/src/core/hle/service/fs/fs_user.cpp
@@ -203,17 +203,17 @@ static void DeleteFile(Service::Interface* self) {
  *      1 : Result of function, 0 on success, otherwise error code
  */
 static void RenameFile(Service::Interface* self) {
-    u32* cmd_buff = Kernel::GetCommandBuffer();
+    IPC::RequestParser rp(Kernel::GetCommandBuffer(), 0x805, 9, 4);
+    rp.Skip(1, false); // TransactionId
 
-    ArchiveHandle src_archive_handle = MakeArchiveHandle(cmd_buff[2], cmd_buff[3]);
-    auto src_filename_type = static_cast<FileSys::LowPathType>(cmd_buff[4]);
-    u32 src_filename_size = cmd_buff[5];
-    ArchiveHandle dest_archive_handle = MakeArchiveHandle(cmd_buff[6], cmd_buff[7]);
-    ;
-    auto dest_filename_type = static_cast<FileSys::LowPathType>(cmd_buff[8]);
-    u32 dest_filename_size = cmd_buff[9];
-    u32 src_filename_ptr = cmd_buff[11];
-    u32 dest_filename_ptr = cmd_buff[13];
+    ArchiveHandle src_archive_handle = rp.PopRaw<ArchiveHandle>();
+    auto src_filename_type = rp.PopEnum<FileSys::LowPathType>();
+    u32 src_filename_size = rp.Pop<u32>();
+    ArchiveHandle dest_archive_handle = rp.PopRaw<ArchiveHandle>();
+    auto dest_filename_type = rp.PopEnum<FileSys::LowPathType>();
+    u32 dest_filename_size = rp.Pop<u32>();
+    u32 src_filename_ptr = rp.PopStaticBuffer(nullptr);
+    u32 dest_filename_ptr = rp.PopStaticBuffer(nullptr);
 
     FileSys::Path src_file_path(src_filename_type, src_filename_size, src_filename_ptr);
     FileSys::Path dest_file_path(dest_filename_type, dest_filename_size, dest_filename_ptr);
@@ -224,9 +224,9 @@ static void RenameFile(Service::Interface* self) {
               src_file_path.DebugStr().c_str(), static_cast<u32>(dest_filename_type),
               dest_filename_size, dest_file_path.DebugStr().c_str());
 
-    cmd_buff[1] = RenameFileBetweenArchives(src_archive_handle, src_file_path, dest_archive_handle,
-                                            dest_file_path)
-                      .raw;
+    IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
+    rb.Push(RenameFileBetweenArchives(src_archive_handle, src_file_path, dest_archive_handle,
+                                      dest_file_path));
 }
 
 /*

From 67382e46c00c926e28b88152866ca83549ef145e Mon Sep 17 00:00:00 2001
From: Subv <subv2112@gmail.com>
Date: Sat, 9 Dec 2017 12:50:25 -0500
Subject: [PATCH 5/8] HLE/FS: Use IPCHelper in DeleteDirectory.

---
 src/core/hle/service/fs/fs_user.cpp | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/src/core/hle/service/fs/fs_user.cpp b/src/core/hle/service/fs/fs_user.cpp
index 03cabfaba..72e930cd3 100644
--- a/src/core/hle/service/fs/fs_user.cpp
+++ b/src/core/hle/service/fs/fs_user.cpp
@@ -241,19 +241,21 @@ static void RenameFile(Service::Interface* self) {
  *      1 : Result of function, 0 on success, otherwise error code
  */
 static void DeleteDirectory(Service::Interface* self) {
-    u32* cmd_buff = Kernel::GetCommandBuffer();
+    IPC::RequestParser rp(Kernel::GetCommandBuffer(), 0x806, 5, 2);
 
-    ArchiveHandle archive_handle = MakeArchiveHandle(cmd_buff[2], cmd_buff[3]);
-    auto dirname_type = static_cast<FileSys::LowPathType>(cmd_buff[4]);
-    u32 dirname_size = cmd_buff[5];
-    u32 dirname_ptr = cmd_buff[7];
+    rp.Skip(1, false); // TransactionId
+    ArchiveHandle archive_handle = rp.PopRaw<ArchiveHandle>();
+    auto dirname_type = rp.PopEnum<FileSys::LowPathType>();
+    u32 dirname_size = rp.Pop<u32>();
+    u32 dirname_ptr = rp.PopStaticBuffer(nullptr);
 
     FileSys::Path dir_path(dirname_type, dirname_size, dirname_ptr);
 
     LOG_DEBUG(Service_FS, "type=%u size=%u data=%s", static_cast<u32>(dirname_type), dirname_size,
               dir_path.DebugStr().c_str());
 
-    cmd_buff[1] = DeleteDirectoryFromArchive(archive_handle, dir_path).raw;
+    IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
+    rb.Push(DeleteDirectoryFromArchive(archive_handle, dir_path));
 }
 
 /*

From 92e71aff5756982bda19356dbcdfe04b19020983 Mon Sep 17 00:00:00 2001
From: Subv <subv2112@gmail.com>
Date: Sat, 9 Dec 2017 12:52:27 -0500
Subject: [PATCH 6/8] HLE/FS: Use IPCHelper in DeleteDirectoryRecursively.

---
 src/core/hle/service/fs/fs_user.cpp | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/src/core/hle/service/fs/fs_user.cpp b/src/core/hle/service/fs/fs_user.cpp
index 72e930cd3..a72d4c47c 100644
--- a/src/core/hle/service/fs/fs_user.cpp
+++ b/src/core/hle/service/fs/fs_user.cpp
@@ -272,19 +272,21 @@ static void DeleteDirectory(Service::Interface* self) {
  *      1 : Result of function, 0 on success, otherwise error code
  */
 static void DeleteDirectoryRecursively(Service::Interface* self) {
-    u32* cmd_buff = Kernel::GetCommandBuffer();
+    IPC::RequestParser rp(Kernel::GetCommandBuffer(), 0x807, 5, 2);
 
-    ArchiveHandle archive_handle = MakeArchiveHandle(cmd_buff[2], cmd_buff[3]);
-    auto dirname_type = static_cast<FileSys::LowPathType>(cmd_buff[4]);
-    u32 dirname_size = cmd_buff[5];
-    u32 dirname_ptr = cmd_buff[7];
+    rp.Skip(1, false); // TransactionId
+    ArchiveHandle archive_handle = rp.PopRaw<ArchiveHandle>();
+    auto dirname_type = rp.PopEnum<FileSys::LowPathType>();
+    u32 dirname_size = rp.Pop<u32>();
+    u32 dirname_ptr = rp.PopStaticBuffer(nullptr);
 
     FileSys::Path dir_path(dirname_type, dirname_size, dirname_ptr);
 
     LOG_DEBUG(Service_FS, "type=%u size=%u data=%s", static_cast<u32>(dirname_type), dirname_size,
               dir_path.DebugStr().c_str());
 
-    cmd_buff[1] = DeleteDirectoryRecursivelyFromArchive(archive_handle, dir_path).raw;
+    IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
+    rb.Push(DeleteDirectoryRecursivelyFromArchive(archive_handle, dir_path));
 }
 
 /*

From d790ac465c21704998bdb8ca0ccc85da4620c8a5 Mon Sep 17 00:00:00 2001
From: Subv <subv2112@gmail.com>
Date: Sat, 9 Dec 2017 12:54:55 -0500
Subject: [PATCH 7/8] HLE/FS: Use IPCHelper in CreateFile.

---
 src/core/hle/service/fs/fs_user.cpp | 22 +++++++++++++---------
 1 file changed, 13 insertions(+), 9 deletions(-)

diff --git a/src/core/hle/service/fs/fs_user.cpp b/src/core/hle/service/fs/fs_user.cpp
index a72d4c47c..c13b6ebdd 100644
--- a/src/core/hle/service/fs/fs_user.cpp
+++ b/src/core/hle/service/fs/fs_user.cpp
@@ -297,26 +297,30 @@ static void DeleteDirectoryRecursively(Service::Interface* self) {
  *      3 : Archive handle upper word
  *      4 : File path string type
  *      5 : File path string size
+ *      6 : File attributes
  *      7-8 : File size
  *      10: File path string data
  *  Outputs:
  *      1 : Result of function, 0 on success, otherwise error code
  */
 static void CreateFile(Service::Interface* self) {
-    u32* cmd_buff = Kernel::GetCommandBuffer();
+    IPC::RequestParser rp(Kernel::GetCommandBuffer(), 0x808, 8, 2);
 
-    ArchiveHandle archive_handle = MakeArchiveHandle(cmd_buff[2], cmd_buff[3]);
-    auto filename_type = static_cast<FileSys::LowPathType>(cmd_buff[4]);
-    u32 filename_size = cmd_buff[5];
-    u64 file_size = ((u64)cmd_buff[8] << 32) | cmd_buff[7];
-    u32 filename_ptr = cmd_buff[10];
+    rp.Skip(1, false); // TransactionId
+    ArchiveHandle archive_handle = rp.PopRaw<ArchiveHandle>();
+    auto filename_type = rp.PopEnum<FileSys::LowPathType>();
+    u32 filename_size = rp.Pop<u32>();
+    u32 attributes = rp.Pop<u32>();
+    u64 file_size = rp.Pop<u64>();
+    u32 filename_ptr = rp.PopStaticBuffer(nullptr);
 
     FileSys::Path file_path(filename_type, filename_size, filename_ptr);
 
-    LOG_DEBUG(Service_FS, "type=%u size=%" PRIx64 " data=%s", static_cast<u32>(filename_type),
-              file_size, file_path.DebugStr().c_str());
+    LOG_DEBUG(Service_FS, "type=%u attributes=%u size=%" PRIx64 " data=%s",
+              static_cast<u32>(filename_type), attributes, file_size, file_path.DebugStr().c_str());
 
-    cmd_buff[1] = CreateFileInArchive(archive_handle, file_path, file_size).raw;
+    IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
+    rb.Push(CreateFileInArchive(archive_handle, file_path, file_size));
 }
 
 /*

From 2552efac01942364aba9bb12a7212540b9fa0f1a Mon Sep 17 00:00:00 2001
From: Subv <subv2112@gmail.com>
Date: Tue, 12 Dec 2017 17:47:11 -0500
Subject: [PATCH 8/8] HLE/FS: Use PopEnum in OpenFile.

---
 src/core/hle/service/fs/fs_user.cpp | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/core/hle/service/fs/fs_user.cpp b/src/core/hle/service/fs/fs_user.cpp
index c13b6ebdd..c6b0445d6 100644
--- a/src/core/hle/service/fs/fs_user.cpp
+++ b/src/core/hle/service/fs/fs_user.cpp
@@ -69,10 +69,9 @@ static void OpenFile(Service::Interface* self) {
     rp.Pop<u32>(); // Always 0 ?
 
     ArchiveHandle archive_handle = rp.Pop<u64>();
-    auto filename_type = static_cast<FileSys::LowPathType>(rp.Pop<u32>());
+    auto filename_type = rp.PopEnum<FileSys::LowPathType>();
     u32 filename_size = rp.Pop<u32>();
-    FileSys::Mode mode;
-    mode.hex = rp.Pop<u32>();
+    FileSys::Mode mode{rp.Pop<u32>()};
     u32 attributes = rp.Pop<u32>(); // TODO(Link Mauve): do something with those attributes.
     VAddr filename_ptr = rp.PopStaticBuffer(nullptr);
     FileSys::Path file_path(filename_type, filename_size, filename_ptr);