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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
This commit is contained in:
Sam Lantinga
2024-02-28 11:43:22 -08:00
parent 353e76b40b
commit 7117d545a3
1 changed files with 4 additions and 2 deletions
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4
src/joystick/SDL_joystick.c
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@@ -2581,7 +2581,7 @@ SDL_JoystickGUID SDL_CreateJoystickGUID(Uint16 bus, Uint16 vendor, Uint16 produc
*guid16++ = SDL_SwapLE16(bus); *guid16++ = SDL_SwapLE16(bus);
*guid16++ = SDL_SwapLE16(crc); *guid16++ = SDL_SwapLE16(crc);
if (vendor && product) { if (vendor) {
*guid16++ = SDL_SwapLE16(vendor); *guid16++ = SDL_SwapLE16(vendor);
*guid16++ = 0; *guid16++ = 0;
*guid16++ = SDL_SwapLE16(product); *guid16++ = SDL_SwapLE16(product);
@@ -2597,8 +2597,10 @@ SDL_JoystickGUID SDL_CreateJoystickGUID(Uint16 bus, Uint16 vendor, Uint16 produc
guid.data[14] = driver_signature; guid.data[14] = driver_signature;
guid.data[15] = driver_data; guid.data[15] = driver_data;
} }
if (product_name) {
SDL_strlcpy((char *)guid16, product_name, available_space); SDL_strlcpy((char *)guid16, product_name, available_space);
} }
}
return guid; return guid;
} }