7 files changed, 20 insertions, 8 deletions
diff --git a/src/common/file_util.h b/src/common/file_util.h
index 28697d527..430dac41c 100644
--- a/src/common/file_util.h
+++ b/src/common/file_util.h
@@ -8,6 +8,7 @@
 #include <cstdio>
 #include <fstream>
 #include <functional>
+#include <limits>
 #include <string>
 #include <string_view>
 #include <type_traits>
@@ -210,8 +211,9 @@ public:
         static_assert(std::is_trivially_copyable<T>(),
                       "Given array does not consist of trivially copyable objects");
 
-        if (!IsOpen())
-            return -1;
+        if (!IsOpen()) {
+            return std::numeric_limits<size_t>::max();
+        }
 
         return std::fread(data, sizeof(T), length, m_file);
     }
@@ -220,8 +222,10 @@ public:
     size_t WriteArray(const T* data, size_t length) {
         static_assert(std::is_trivially_copyable<T>(),
                       "Given array does not consist of trivially copyable objects");
-        if (!IsOpen())
-            return -1;
+        if (!IsOpen()) {
+            return std::numeric_limits<size_t>::max();
+        }
+
         return std::fwrite(data, sizeof(T), length, m_file);
     }
 
diff --git a/src/core/hle/service/acc/acc.cpp b/src/core/hle/service/acc/acc.cpp
index 6d15b46ed..e952b0518 100644
--- a/src/core/hle/service/acc/acc.cpp
+++ b/src/core/hle/service/acc/acc.cpp
@@ -119,6 +119,13 @@ private:
     }
 };
 
+void Module::Interface::GetUserCount(Kernel::HLERequestContext& ctx) {
+    LOG_WARNING(Service_ACC, "(STUBBED) called");
+    IPC::ResponseBuilder rb{ctx, 3};
+    rb.Push(RESULT_SUCCESS);
+    rb.Push<u32>(1);
+}
+
 void Module::Interface::GetUserExistence(Kernel::HLERequestContext& ctx) {
     LOG_WARNING(Service_ACC, "(STUBBED) called");
     IPC::ResponseBuilder rb{ctx, 3};
diff --git a/src/core/hle/service/acc/acc.h b/src/core/hle/service/acc/acc.h
index 0a01d954c..88cabaa01 100644
--- a/src/core/hle/service/acc/acc.h
+++ b/src/core/hle/service/acc/acc.h
@@ -14,6 +14,7 @@ public:
     public:
         explicit Interface(std::shared_ptr<Module> module, const char* name);
 
+        void GetUserCount(Kernel::HLERequestContext& ctx);
         void GetUserExistence(Kernel::HLERequestContext& ctx);
         void ListAllUsers(Kernel::HLERequestContext& ctx);
         void ListOpenUsers(Kernel::HLERequestContext& ctx);
diff --git a/src/core/hle/service/acc/acc_su.cpp b/src/core/hle/service/acc/acc_su.cpp
index 9ffb40b22..8b2a71f37 100644
--- a/src/core/hle/service/acc/acc_su.cpp
+++ b/src/core/hle/service/acc/acc_su.cpp
@@ -8,7 +8,7 @@ namespace Service::Account {
 
 ACC_SU::ACC_SU(std::shared_ptr<Module> module) : Module::Interface(std::move(module), "acc:su") {
     static const FunctionInfo functions[] = {
-        {0, nullptr, "GetUserCount"},
+        {0, &ACC_SU::GetUserCount, "GetUserCount"},
         {1, &ACC_SU::GetUserExistence, "GetUserExistence"},
         {2, &ACC_SU::ListAllUsers, "ListAllUsers"},
         {3, &ACC_SU::ListOpenUsers, "ListOpenUsers"},
diff --git a/src/core/hle/service/acc/acc_u0.cpp b/src/core/hle/service/acc/acc_u0.cpp
index 44e21ac09..d84c8b2e1 100644
--- a/src/core/hle/service/acc/acc_u0.cpp
+++ b/src/core/hle/service/acc/acc_u0.cpp
@@ -8,7 +8,7 @@ namespace Service::Account {
 
 ACC_U0::ACC_U0(std::shared_ptr<Module> module) : Module::Interface(std::move(module), "acc:u0") {
     static const FunctionInfo functions[] = {
-        {0, nullptr, "GetUserCount"},
+        {0, &ACC_U0::GetUserCount, "GetUserCount"},
         {1, &ACC_U0::GetUserExistence, "GetUserExistence"},
         {2, &ACC_U0::ListAllUsers, "ListAllUsers"},
         {3, &ACC_U0::ListOpenUsers, "ListOpenUsers"},
diff --git a/src/core/hle/service/acc/acc_u1.cpp b/src/core/hle/service/acc/acc_u1.cpp
index d101d4e0d..0ceaf06b5 100644
--- a/src/core/hle/service/acc/acc_u1.cpp
+++ b/src/core/hle/service/acc/acc_u1.cpp
@@ -8,7 +8,7 @@ namespace Service::Account {
 
 ACC_U1::ACC_U1(std::shared_ptr<Module> module) : Module::Interface(std::move(module), "acc:u1") {
     static const FunctionInfo functions[] = {
-        {0, nullptr, "GetUserCount"},
+        {0, &ACC_U1::GetUserCount, "GetUserCount"},
         {1, &ACC_U1::GetUserExistence, "GetUserExistence"},
         {2, &ACC_U1::ListAllUsers, "ListAllUsers"},
         {3, &ACC_U1::ListOpenUsers, "ListOpenUsers"},
diff --git a/src/core/hle/service/hid/hid.cpp b/src/core/hle/service/hid/hid.cpp
index 8f0262e34..dcdfa0e19 100644
--- a/src/core/hle/service/hid/hid.cpp
+++ b/src/core/hle/service/hid/hid.cpp
@@ -457,7 +457,7 @@ private:
     }
 
     void IsSixAxisSensorAtRest(Kernel::HLERequestContext& ctx) {
-        IPC::ResponseBuilder rb{ctx, 2};
+        IPC::ResponseBuilder rb{ctx, 3};
         rb.Push(RESULT_SUCCESS);
         // TODO (Hexagon12): Properly implement reading gyroscope values from controllers.
         rb.Push(true);