From 6e54615b16df2004af0bfbb9543a3fd21c678dbb Mon Sep 17 00:00:00 2001
From: german77 <juangerman-13@hotmail.com>
Date: Sun, 14 May 2023 09:22:00 -0600
Subject: service: hid: Use span instead of vector reference

---
 src/core/hle/service/hid/hid.cpp | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

(limited to 'src/core/hle/service/hid/hid.cpp')

diff --git a/src/core/hle/service/hid/hid.cpp b/src/core/hle/service/hid/hid.cpp
index 87e7b864a..2bf1d8a27 100644
--- a/src/core/hle/service/hid/hid.cpp
+++ b/src/core/hle/service/hid/hid.cpp
@@ -1601,16 +1601,16 @@ void Hid::SendVibrationValues(HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
     const auto applet_resource_user_id{rp.Pop<u64>()};
 
-    const auto handles = ctx.ReadBuffer(0);
-    const auto vibrations = ctx.ReadBuffer(1);
-
-    std::vector<Core::HID::VibrationDeviceHandle> vibration_device_handles(
-        handles.size() / sizeof(Core::HID::VibrationDeviceHandle));
-    std::vector<Core::HID::VibrationValue> vibration_values(vibrations.size() /
-                                                            sizeof(Core::HID::VibrationValue));
-
-    std::memcpy(vibration_device_handles.data(), handles.data(), handles.size());
-    std::memcpy(vibration_values.data(), vibrations.data(), vibrations.size());
+    const auto handle_data = ctx.ReadBuffer(0);
+    const auto handle_count = ctx.GetReadBufferNumElements<Core::HID::VibrationDeviceHandle>(0);
+    const auto vibration_data = ctx.ReadBuffer(1);
+    const auto vibration_count = ctx.GetReadBufferNumElements<Core::HID::VibrationValue>(1);
+
+    auto vibration_device_handles =
+        std::span(reinterpret_cast<const Core::HID::VibrationDeviceHandle*>(handle_data.data()),
+                  handle_count);
+    auto vibration_values = std::span(
+        reinterpret_cast<const Core::HID::VibrationValue*>(vibration_data.data()), vibration_count);
 
     applet_resource->GetController<Controller_NPad>(HidController::NPad)
         .VibrateControllers(vibration_device_handles, vibration_values);
-- 
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