Function SDL_PrivateSubsystemRefCountDecr

deps/SDL2/src/SDL.c:103–110

Private helper to decrement a subsystem's ref counter. */

/* Private helper to decrement a subsystem's ref counter. */
static void
SDL_PrivateSubsystemRefCountDecr(Uint32 subsystem)
{
    int subsystem_index = SDL_MostSignificantBitIndex32(subsystem);
    if (SDL_SubsystemRefCount[subsystem_index] > 0) {
        --SDL_SubsystemRefCount[subsystem_index];
    }
}

/* Private helper to check if a system needs init. */
static SDL_bool