Replace string concatination with `fmt::format`

12 files changed, 56 insertions, 38 deletions

diff --git a/Source/Android/jni/NetPlay/NetPlayUICallbacks.cpp b/Source/Android/jni/NetPlay/NetPlayUICallbacks.cpp
index 4b61495f7f..3a72e5a1fd 100644
--- a/Source/Android/jni/NetPlay/NetPlayUICallbacks.cpp
+++ b/Source/Android/jni/NetPlay/NetPlayUICallbacks.cpp
@@ -3,6 +3,8 @@
 
 #include <android/log.h>
 
+#include <fmt/format.h>
+
 #include "Common/TraversalClient.h"
 #include "Core/Boot/Boot.h"
 #include "Core/Core.h"
@@ -34,7 +36,7 @@ std::string InetAddressToString(const Common::TraversalInetAddress& addr)
     }
   }
 
-  return ip + ":" + std::to_string(ntohs(addr.port));
+  return fmt::format("{}:{}", ip, ntohs(addr.port));
 }
 
 const char* FailureReasonToString(Common::TraversalClient::FailureReason reason)
diff --git a/Source/Core/AudioCommon/WASAPIStream.cpp b/Source/Core/AudioCommon/WASAPIStream.cpp
index 174ffbc9cb..9571b175bc 100644
--- a/Source/Core/AudioCommon/WASAPIStream.cpp
+++ b/Source/Core/AudioCommon/WASAPIStream.cpp
@@ -15,6 +15,8 @@
 
 #include <thread>
 
+#include <fmt/format.h>
+
 #include "Common/Assert.h"
 #include "Common/HRWrap.h"
 #include "Common/Logging/Log.h"
@@ -110,7 +112,7 @@ static void ForEachNamedDevice(const std::function<bool(ComPtr<IMMDevice>, std::
   {
     ComPtr<IMMDevice> device;
     devices->Item(i, &device);
-    if (!HandleWinAPI("Failed to get device " + std::to_string(i), result))
+    if (!HandleWinAPI(fmt::format("Failed to get device {}", i), result))
       continue;
 
     ComPtr<IPropertyStore> device_properties;
diff --git a/Source/Core/Core/IOS/USB/Emulated/LogitechMic.cpp b/Source/Core/Core/IOS/USB/Emulated/LogitechMic.cpp
index fccdbd7939..63396632af 100644
--- a/Source/Core/Core/IOS/USB/Emulated/LogitechMic.cpp
+++ b/Source/Core/Core/IOS/USB/Emulated/LogitechMic.cpp
@@ -6,6 +6,8 @@
 #include <algorithm>
 #include <utility>
 
+#include <fmt/format.h>
+
 #include "Core/Config/MainSettings.h"
 #include "Core/HW/Memmap.h"
 #include "Core/System.h"
@@ -81,7 +83,7 @@ private:
   }
   std::string GetCubebStreamName() const override
   {
-    return "Dolphin Emulated Logitech USB Microphone " + std::to_string(m_index);
+    return fmt::format("Dolphin Emulated Logitech USB Microphone {}", m_index);
   }
   s16 GetVolumeModifier() const override
   {
diff --git a/Source/Core/DolphinQt/Debugger/RegisterWidget.cpp b/Source/Core/DolphinQt/Debugger/RegisterWidget.cpp
index de25c196a3..4f391f4698 100644
--- a/Source/Core/DolphinQt/Debugger/RegisterWidget.cpp
+++ b/Source/Core/DolphinQt/Debugger/RegisterWidget.cpp
@@ -12,6 +12,8 @@
 #include <QTableWidget>
 #include <QVBoxLayout>
 
+#include <fmt/format.h>
+
 #include "Core/Core.h"
 #include "Core/Debugger/CodeTrace.h"
 #include "Core/HW/ProcessorInterface.h"
@@ -338,13 +340,13 @@ void RegisterWidget::PopulateTable()
   {
     // General purpose registers (int)
     AddRegister(
-        i, 0, RegisterType::gpr, "r" + std::to_string(i),
+        i, 0, RegisterType::gpr, fmt::format("r{}", i),
         [this, i] { return m_system.GetPPCState().gpr[i]; },
         [this, i](u64 value) { m_system.GetPPCState().gpr[i] = value; });
 
     // Floating point registers (double)
     AddRegister(
-        i, 2, RegisterType::fpr, "f" + std::to_string(i),
+        i, 2, RegisterType::fpr, fmt::format("f{}", i),
         [this, i] { return m_system.GetPPCState().ps[i].PS0AsU64(); },
         [this, i](u64 value) { m_system.GetPPCState().ps[i].SetPS0(value); });
 
@@ -360,7 +362,7 @@ void RegisterWidget::PopulateTable()
   {
     // IBAT registers
     AddRegister(
-        i, 5, RegisterType::ibat, "IBAT" + std::to_string(i),
+        i, 5, RegisterType::ibat, fmt::format("IBAT{}", i),
         [this, i] {
           const auto& ppc_state = m_system.GetPPCState();
           return (static_cast<u64>(ppc_state.spr[SPR_IBAT0U + i * 2]) << 32) +
@@ -368,7 +370,7 @@ void RegisterWidget::PopulateTable()
         },
         nullptr);
     AddRegister(
-        i + 4, 5, RegisterType::ibat, "IBAT" + std::to_string(4 + i),
+        i + 4, 5, RegisterType::ibat, fmt::format("IBAT{}", 4 + i),
         [this, i] {
           const auto& ppc_state = m_system.GetPPCState();
           return (static_cast<u64>(ppc_state.spr[SPR_IBAT4U + i * 2]) << 32) +
@@ -378,7 +380,7 @@ void RegisterWidget::PopulateTable()
 
     // DBAT registers
     AddRegister(
-        i + 8, 5, RegisterType::dbat, "DBAT" + std::to_string(i),
+        i + 8, 5, RegisterType::dbat, fmt::format("DBAT{}", i),
         [this, i] {
           const auto& ppc_state = m_system.GetPPCState();
           return (static_cast<u64>(ppc_state.spr[SPR_DBAT0U + i * 2]) << 32) +
@@ -386,7 +388,7 @@ void RegisterWidget::PopulateTable()
         },
         nullptr);
     AddRegister(
-        i + 12, 5, RegisterType::dbat, "DBAT" + std::to_string(4 + i),
+        i + 12, 5, RegisterType::dbat, fmt::format("DBAT{}", 4 + i),
         [this, i] {
           const auto& ppc_state = m_system.GetPPCState();
           return (static_cast<u64>(ppc_state.spr[SPR_DBAT4U + i * 2]) << 32) +
@@ -399,7 +401,7 @@ void RegisterWidget::PopulateTable()
   {
     // Graphics quantization registers
     AddRegister(
-        i + 16, 7, RegisterType::gqr, "GQR" + std::to_string(i),
+        i + 16, 7, RegisterType::gqr, fmt::format("GQR{}", i),
         [this, i] { return m_system.GetPPCState().spr[SPR_GQR0 + i]; }, nullptr);
   }
 
@@ -421,7 +423,7 @@ void RegisterWidget::PopulateTable()
   {
     // SR registers
     AddRegister(
-        i, 7, RegisterType::sr, "SR" + std::to_string(i),
+        i, 7, RegisterType::sr, fmt::format("SR{}", i),
         [this, i] { return m_system.GetPPCState().sr[i]; },
         [this, i](u64 value) {
           m_system.GetPPCState().sr[i] = value;
diff --git a/Source/Core/DolphinQt/HotkeyScheduler.cpp b/Source/Core/DolphinQt/HotkeyScheduler.cpp
index 62f89c1d3b..478454ed5a 100644
--- a/Source/Core/DolphinQt/HotkeyScheduler.cpp
+++ b/Source/Core/DolphinQt/HotkeyScheduler.cpp
@@ -344,7 +344,7 @@ void HotkeyScheduler::Run()
         OSD::AddMessage(std::string("Volume: ") +
                         (Config::Get(Config::MAIN_AUDIO_MUTED) ?
                              "Muted" :
-                             std::to_string(Config::Get(Config::MAIN_AUDIO_VOLUME)) + "%"));
+                             fmt::format("{}%", Config::Get(Config::MAIN_AUDIO_VOLUME))));
       };
 
       // Volume
diff --git a/Source/Core/DolphinQt/TAS/WiiTASInputWindow.cpp b/Source/Core/DolphinQt/TAS/WiiTASInputWindow.cpp
index 48a55dbef8..170208ddad 100644
--- a/Source/Core/DolphinQt/TAS/WiiTASInputWindow.cpp
+++ b/Source/Core/DolphinQt/TAS/WiiTASInputWindow.cpp
@@ -14,6 +14,8 @@
 #include <QStyle>
 #include <QVBoxLayout>
 
+#include <fmt/format.h>
+
 #include "Common/CommonTypes.h"
 #include "Common/FileUtil.h"
 #include "Common/MathUtil.h"
@@ -395,7 +397,7 @@ void WiiTASInputWindow::LoadExtensionAndMotionPlus()
   {
     Common::IniFile ini;
     ini.Load(File::GetUserPath(D_CONFIG_IDX) + "WiimoteNew.ini");
-    const std::string section_name = "Wiimote" + std::to_string(m_num + 1);
+    const std::string section_name = fmt::format("Wiimote{}", m_num + 1);
 
     std::string extension;
     ini.GetIfExists(section_name, "Extension", &extension);
diff --git a/Source/Core/InputCommon/ControllerInterface/SDL/SDLGamepad.h b/Source/Core/InputCommon/ControllerInterface/SDL/SDLGamepad.h
index 0a431866e7..a997437f61 100644
--- a/Source/Core/InputCommon/ControllerInterface/SDL/SDLGamepad.h
+++ b/Source/Core/InputCommon/ControllerInterface/SDL/SDLGamepad.h
@@ -7,6 +7,7 @@
 
 #include <SDL3/SDL_gamepad.h>
 #include <SDL3/SDL_haptic.h>
+#include <fmt/format.h>
 
 #include "Common/MathUtil.h"
 
@@ -16,17 +17,17 @@ namespace
 {
 std::string GetLegacyButtonName(int index)
 {
-  return "Button " + std::to_string(index);
+  return fmt::format("Button {}", index);
 }
 
 std::string GetLegacyAxisName(int index, int range)
 {
-  return "Axis " + std::to_string(index) + (range < 0 ? '-' : '+');
+  return fmt::format("Axis {}{}", index, range < 0 ? '-' : '+');
 }
 
 std::string GetLegacyHatName(int index, int direction)
 {
-  return "Hat " + std::to_string(index) + ' ' + "NESW"[direction];
+  return fmt::format("Hat {} {}", index, "NESW"[direction]);
 }
 
 constexpr int GetDirectionFromHatMask(int mask)
diff --git a/Source/Core/InputCommon/ControllerInterface/evdev/evdev.cpp b/Source/Core/InputCommon/ControllerInterface/evdev/evdev.cpp
index bb51d0026e..0f6730720f 100644
--- a/Source/Core/InputCommon/ControllerInterface/evdev/evdev.cpp
+++ b/Source/Core/InputCommon/ControllerInterface/evdev/evdev.cpp
@@ -14,6 +14,8 @@
 #include <sys/eventfd.h>
 #include <unistd.h>
 
+#include <fmt/format.h>
+
 #include "Common/Assert.h"
 #include "Common/Flag.h"
 #include "Common/Logging/Log.h"
@@ -114,7 +116,7 @@ protected:
     }
   }
 
-  std::string GetIndexedName() const { return "Button " + std::to_string(m_index); }
+  std::string GetIndexedName() const { return fmt::format("Button {}", m_index); }
 
   const u8 m_index;
 };
@@ -184,7 +186,7 @@ public:
 protected:
   std::string GetIndexedName() const
   {
-    return "Axis " + std::to_string(m_index) + (m_range < 0 ? '-' : '+');
+    return fmt::format("Axis {}{}", m_index, m_range < 0 ? '-' : '+');
   }
 
 private:
diff --git a/Source/Core/InputCommon/InputProfile.cpp b/Source/Core/InputCommon/InputProfile.cpp
index f483e8a9c3..e1db4e8a46 100644
--- a/Source/Core/InputCommon/InputProfile.cpp
+++ b/Source/Core/InputCommon/InputProfile.cpp
@@ -133,7 +133,7 @@ void ProfileCycler::CycleProfile(CycleDirection cycle_direction, InputConfig* de
   }
   else
   {
-    Core::DisplayMessage("No controller found for index: " + std::to_string(controller_index),
+    Core::DisplayMessage(fmt::format("No controller found for index: {}", controller_index),
                          display_message_ms);
   }
 }
@@ -172,7 +172,7 @@ void ProfileCycler::CycleProfileForGame(CycleDirection cycle_direction,
   }
   else
   {
-    Core::DisplayMessage("No controller found for index: " + std::to_string(controller_index),
+    Core::DisplayMessage(fmt::format("No controller found for index: {}", controller_index),
                          display_message_ms);
   }
 }
diff --git a/Source/Core/UICommon/GameFile.cpp b/Source/Core/UICommon/GameFile.cpp
index 818cf2b766..c24bb625f1 100644
--- a/Source/Core/UICommon/GameFile.cpp
+++ b/Source/Core/UICommon/GameFile.cpp
@@ -622,7 +622,7 @@ std::string GameFile::GetNetPlayName(const Core::TitleDatabase& title_database)
   if (!GetGameID().empty())
     info.push_back(GetGameID());
   if (GetRevision() != 0)
-    info.push_back("Revision " + std::to_string(GetRevision()));
+    info.push_back(fmt::format("Revision {}", GetRevision()));
 
   const std::string name = GetName(title_database);
 
@@ -635,8 +635,7 @@ std::string GameFile::GetNetPlayName(const Core::TitleDatabase& title_database)
 
   if (disc_number > 1 && !is_numbered_disc)
   {
-    std::string disc_text = "Disc ";
-    info.push_back(disc_text + std::to_string(disc_number));
+    info.push_back(fmt::format("Disc {}", disc_number));
   }
   if (info.empty())
     return name;
diff --git a/Source/Core/UICommon/NetPlayIndex.cpp b/Source/Core/UICommon/NetPlayIndex.cpp
index 1d4b5e0b8a..b6b228b702 100644
--- a/Source/Core/UICommon/NetPlayIndex.cpp
+++ b/Source/Core/UICommon/NetPlayIndex.cpp
@@ -8,6 +8,7 @@
 #include <span>
 #include <string>
 
+#include <fmt/format.h>
 #include <picojson.h>
 
 #include "Common/Common.h"
@@ -128,9 +129,12 @@ void NetPlayIndex::NotificationLoop()
   {
     Common::HttpRequest request;
     auto response = request.Get(
-        Config::Get(Config::NETPLAY_INDEX_URL) + "/v0/session/active?secret=" + m_secret +
-            "&player_count=" + std::to_string(m_player_count) +
-            "&game=" + request.EscapeComponent(m_game) + "&in_game=" + std::to_string(m_in_game),
+        fmt::format(
+            "{base}/v0/session/active?secret={secret}&player_count={player_count}&game={game}"
+            "&in_game={in_game}",
+            fmt::arg("base", Config::Get(Config::NETPLAY_INDEX_URL)), fmt::arg("secret", m_secret),
+            fmt::arg("player_count", m_player_count),
+            fmt::arg("game", request.EscapeComponent(m_game)), fmt::arg("in_game", m_in_game)),
         {{"X-Is-Dolphin", "1"}}, Common::HttpRequest::AllowedReturnCodes::All);
 
     if (!response)
@@ -162,16 +166,17 @@ bool NetPlayIndex::Add(const NetPlaySession& session)
 {
   Common::HttpRequest request;
   auto response = request.Get(
-      Config::Get(Config::NETPLAY_INDEX_URL) +
-          "/v0/session/add?name=" + request.EscapeComponent(session.name) +
-          "&region=" + request.EscapeComponent(session.region) +
-          "&game=" + request.EscapeComponent(session.game_id) +
-          "&password=" + std::to_string(session.has_password) + "&method=" + session.method +
-          "&server_id=" + session.server_id + "&in_game=" + std::to_string(session.in_game) +
-          "&port=" + std::to_string(session.port) + "&player_count=" +
-          std::to_string(session.player_count) + "&version=" + Common::GetScmDescStr(),
-      {{"X-Is-Dolphin", "1"}}, Common::HttpRequest::AllowedReturnCodes::All);
-
+      fmt::format("{base}/v0/session/add?name={name}&region={region}&game={game}"
+                  "&password={password}&method={method}&server_id={server_id}&in_game={in_game}"
+                  "&port={port}&player_count={player_count}&version={version}",
+                  fmt::arg("base", Config::Get(Config::NETPLAY_INDEX_URL)),
+                  fmt::arg("name", request.EscapeComponent(session.name)),
+                  fmt::arg("region", request.EscapeComponent(session.region)),
+                  fmt::arg("game", request.EscapeComponent(session.game_id)),
+                  fmt::arg("password", session.has_password), fmt::arg("method", session.method),
+                  fmt::arg("server_id", session.server_id), fmt::arg("in_game", session.in_game),
+                  fmt::arg("port", session.port), fmt::arg("player_count", session.player_count),
+                  fmt::arg("version", Common::GetScmDescStr())));
   if (!response.has_value())
   {
     m_last_error = "NO_RESPONSE";
diff --git a/Source/Core/UpdaterCommon/UpdaterCommon.cpp b/Source/Core/UpdaterCommon/UpdaterCommon.cpp
index 8a400b21d0..f40fb880ca 100644
--- a/Source/Core/UpdaterCommon/UpdaterCommon.cpp
+++ b/Source/Core/UpdaterCommon/UpdaterCommon.cpp
@@ -10,6 +10,7 @@
 
 #include <OptionParser.h>
 #include <ed25519.h>
+#include <fmt/format.h>
 #include <mbedtls/base64.h>
 #include <mbedtls/sha256.h>
 #include <zlib.h>
@@ -225,8 +226,8 @@ static bool DownloadContent(std::span<const TodoList::DownloadOp> to_download,
     if (File::Exists(temp_path + DIR_SEP + hash_filename))
       continue;
 
-    UI::SetDescription("Downloading " + download.filename + "... (File " + std::to_string(i + 1) +
-                       " of " + std::to_string(to_download.size()) + ")");
+    UI::SetDescription(fmt::format("Downloading {}... (File {} of {})", download.filename, i + 1,
+                                   to_download.size()));
     UI::SetCurrentMarquee(false);
 
     // Add slashes where needed.