[rcore] [GLFW] [SDL] Add `GetGamepadGUID()

src/platforms/rcore_android.c

@@ -624,6 +624,13 @@ int SetGamepadMappings(const char *mappings)
     return 0;
 }
 
+// Get gamepad GUID
+const char *GetGamepadGUID(int gamepad)
+{
+    TRACELOG(LOG_WARNING, "GetGamepadGUID() not implemented on target platform");
+    return "";
+}
+
 // Set gamepad vibration
 void SetGamepadVibration(int gamepad, float leftMotor, float rightMotor, float duration)
 {

src/platforms/rcore_desktop_glfw.c

@@ -1084,6 +1084,12 @@ int SetGamepadMappings(const char *mappings)
     return glfwUpdateGamepadMappings(mappings);
 }
 
+// Get gamepad GUID
+const char *GetGamepadGUID(int gamepad)
+{
+    return glfwGetJoystickGUID(gamepad);
+}
+
 // Set gamepad vibration
 void SetGamepadVibration(int gamepad, float leftMotor, float rightMotor, float duration)
 {

src/platforms/rcore_desktop_rgfw.c

@@ -789,6 +789,13 @@ int SetGamepadMappings(const char *mappings)
     return 0;
 }
 
+// Get gamepad GUID
+const char *GetGamepadGUID(int gamepad)
+{
+    TRACELOG(LOG_WARNING, "GetGamepadGUID() not implemented on target platform");
+    return "";
+}
+
 // Set gamepad vibration
 void SetGamepadVibration(int gamepad, float leftMotor, float rightMotor, float duration)
 {

src/platforms/rcore_desktop_sdl.c

@@ -68,6 +68,10 @@
     #define MAX_CLIPBOARD_BUFFER_LENGTH 1024 // Size of the clipboard buffer used on GetClipboardText()
 #endif
 
+#ifndef MAX_JOYSTICKGUID_BUFFER_LENGTH
+    #define MAX_JOYSTICKGUID_BUFFER_LENGTH 64 // Size of the joystick GUID buffer used on GetGamepadGUID(), must be at least 33 bytes
+#endif
+
 #if ((defined(SDL_MAJOR_VERSION) && (SDL_MAJOR_VERSION == 3)) && (defined(SDL_MINOR_VERSION) && (SDL_MINOR_VERSION >= 1)))
     #ifndef PLATFORM_DESKTOP_SDL3
         #define PLATFORM_DESKTOP_SDL3
@@ -1236,6 +1240,18 @@ int SetGamepadMappings(const char *mappings)
     return SDL_GameControllerAddMapping(mappings);
 }
 
+// Get gamepad GUID
+const char *GetGamepadGUID(int gamepad)
+{
+    static char buffer[MAX_JOYSTICKGUID_BUFFER_LENGTH] = { 0 };
+
+    SDL_JoystickGUID joystickGUID = SDL_JoystickGetGUID(SDL_GameControllerGetJoystick(platform.gamepad[gamepad]));
+
+    SDL_JoystickGetGUIDString(joystickGUID, buffer, MAX_JOYSTICKGUID_BUFFER_LENGTH -1);
+
+    return buffer;
+}
+
 // Set gamepad vibration
 void SetGamepadVibration(int gamepad, float leftMotor, float rightMotor, float duration)
 {

src/platforms/rcore_drm.c

@@ -619,6 +619,13 @@ int SetGamepadMappings(const char *mappings)
     return 0;
 }
 
+// Get gamepad GUID
+const char *GetGamepadGUID(int gamepad)
+{
+    TRACELOG(LOG_WARNING, "GetGamepadGUID() not implemented on target platform");
+    return "";
+}
+
 // Set gamepad vibration
 void SetGamepadVibration(int gamepad, float leftMotor, float rightMotor, float duration)
 {

src/platforms/rcore_template.c

@@ -381,6 +381,13 @@ int SetGamepadMappings(const char *mappings)
     return 0;
 }
 
+// Get gamepad GUID
+const char *GetGamepadGUID(int gamepad)
+{
+    TRACELOG(LOG_WARNING, "GetGamepadGUID() not implemented on target platform");
+    return "";
+}
+
 // Set gamepad vibration
 void SetGamepadVibration(int gamepad, float leftMotor, float rightMotor, float duration)
 {

src/platforms/rcore_web.c

@@ -162,13 +162,13 @@ bool WindowShouldClose(void)
     // REF: https://emscripten.org/docs/porting/asyncify.html
 
     // WindowShouldClose() is not called on a web-ready raylib application if using emscripten_set_main_loop()
-    // and encapsulating one frame execution on a UpdateDrawFrame() function, 
+    // and encapsulating one frame execution on a UpdateDrawFrame() function,
     // allowing the browser to manage execution asynchronously
 
     // Optionally we can manage the time we give-control-back-to-browser if required,
     // but it seems below line could generate stuttering on some browsers
     emscripten_sleep(12);
-    
+
     return false;
 }
 
@@ -914,6 +914,13 @@ int SetGamepadMappings(const char *mappings)
     return 0;
 }
 
+// Get gamepad GUID
+const char *GetGamepadGUID(int gamepad)
+{
+    TRACELOG(LOG_WARNING, "GetGamepadGUID() not implemented on target platform");
+    return "";
+}
+
 // Set gamepad vibration
 void SetGamepadVibration(int gamepad, float leftMotor, float rightMotor, float duration)
 {

src/raylib.h

@@ -1195,6 +1195,7 @@ RLAPI int GetGamepadButtonPressed(void);                      // Get the last ga
 RLAPI int GetGamepadAxisCount(int gamepad);                   // Get gamepad axis count for a gamepad
 RLAPI float GetGamepadAxisMovement(int gamepad, int axis);    // Get axis movement value for a gamepad axis
 RLAPI int SetGamepadMappings(const char *mappings);           // Set internal gamepad mappings (SDL_GameControllerDB)
+RLAPI const char *GetGamepadGUID(int gamepad);                // Get gamepad GUID
 RLAPI void SetGamepadVibration(int gamepad, float leftMotor, float rightMotor, float duration); // Set gamepad vibration for both motors (duration in seconds)
 
 // Input-related functions: mouse