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Fixed crash if the controller product name is NULL

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This happens when the Razer Synapse software emulates a controller with a keyboard

(cherry picked from commit 7117d545a3)
(cherry picked from commit 7f880c9121)
This commit is contained in:
Sam Lantinga 2024-02-28 11:43:22 -08:00
parent 4568e64d9e
commit ca8e33375b
1 changed files with 4 additions and 2 deletions
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6
src/joystick/SDL_joystick.c
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@ -2495,7 +2495,7 @@ SDL_JoystickGUID SDL_CreateJoystickGUID(Uint16 bus, Uint16 vendor, Uint16 produc
*guid16++ = SDL_SwapLE16(bus);
*guid16++ = SDL_SwapLE16(crc);
if (vendor && product) {
if (vendor) {
*guid16++ = SDL_SwapLE16(vendor);
*guid16++ = 0;
*guid16++ = SDL_SwapLE16(product);
@ -2511,7 +2511,9 @@ SDL_JoystickGUID SDL_CreateJoystickGUID(Uint16 bus, Uint16 vendor, Uint16 produc
guid.data[14] = driver_signature;
guid.data[15] = driver_data;
}
SDL_strlcpy((char *)guid16, product_name, available_space);
if (product_name) {
SDL_strlcpy((char *)guid16, product_name, available_space);
}
}
return guid;
}