Simple FPS capping in SDL

#include <SDL/SDL.h>

int main()
{
    SDL_Event e;

    SDL_Surface *output;
    output = SDL_SetVideoMode(640, 480, 32, SDL_SWSURFACE);

    int fps_cap = 1;

    int loop = 1;
    int last_loop, time;

    while (loop)
    {
        last_loop = SDL_GetTicks();

        while (SDL_PollEvent(&e))
        {
            switch (e.type)
            {
                case SDL_QUIT:
                    loop = 0;
                break;

                default: break;
            }
        }

        SDL_FillRect(output, NULL, SDL_MapRGB(output->format, rand() % 256,  rand() % 256,  rand() % 256));
        SDL_Flip(output);



        time = SDL_GetTicks() - last_loop;
        if (time < 1000 / fps_cap)
            SDL_Delay(1000 / fps_cap - time);
    }

    return 0;

}