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Fixed raw input device GUIDs changing randomly between runs

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On Windows 11, apparently HidD_GetManufacturerString() and HidD_GetProductString() can return TRUE without actually filling in any string data.

Fixes https://github.com/libsdl-org/SDL/issues/12566

(cherry picked from commit 4fc9509ab7)
This commit is contained in:
Sam Lantinga
2025-03-17 13:54:56 -07:00
parent 3f13c0b36d
commit cd673c8254
1 changed files with 2 additions and 0 deletions
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2
src/joystick/windows/SDL_rawinputjoystick.c
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@@ -909,9 +909,11 @@ static void RAWINPUT_AddDevice(HANDLE hDevice)
char *product_string = NULL;
WCHAR string[128];
string[0] = 0;
if (SDL_HidD_GetManufacturerString(hFile, string, sizeof(string))) {
manufacturer_string = WIN_StringToUTF8W(string);
}
string[0] = 0;
if (SDL_HidD_GetProductString(hFile, string, sizeof(string))) {
product_string = WIN_StringToUTF8W(string);
}