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Don't crash if SDL_CreateJoystickGUID() is passed a NULL name

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This commit is contained in:
Sam Lantinga 2022-08-28 17:56:11 -07:00
parent bac8df4abd
commit 32700294e2
1 changed files with 4 additions and 0 deletions
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4
src/joystick/SDL_joystick.c
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@ -1981,6 +1981,10 @@ SDL_CreateJoystickGUID(Uint16 bus, Uint16 vendor, Uint16 product, Uint16 version
SDL_zero(guid);
if (!name) {
name = "";
}
/* We only need 16 bits for each of these; space them out to fill 128. */
/* Byteswap so devices get same GUID on little/big endian platforms. */
*guid16++ = SDL_SwapLE16(bus);