Creating a blank window in C with SDL library.

sdl2_window_blank.c

/***************************************************************************
 * File: sdl2_window_blank.c
 * Date: 2024-05-31 | 2024-06-06
***************************************************************************/

#include <SDL2/SDL.h>
#include <stdbool.h>

#define WINDOW_SIZE_X 800 // Window width.
#define WINDOW_SIZE_Y 600 // Window height.

int main(int argc, char const *argv[])
{
    if(SDL_Init(SDL_INIT_EVERYTHING) != 0)
    {
        SDL_Log("error %s", SDL_GetError());
        SDL_Quit();
        return 1;
    }

    SDL_Window *window; SDL_Renderer *renderer; // Definitions to a window. 
    
    // Creating the window and renderer.
    if(SDL_CreateWindowAndRenderer(WINDOW_SIZE_X, WINDOW_SIZE_Y, SDL_WINDOW_RESIZABLE, &window, &renderer) != 0)
    {
        SDL_Log("error %s", SDL_GetError());
        SDL_Quit();
        return 1;
    }

    SDL_Event event;     // Loop event.
    bool running = true; // Checks if the program is running.
    
    while(running)
    {
        while(SDL_PollEvent(&event))
        {
            if(event.type == SDL_QUIT) // If the user press the exit button, do something.
            {
                running = false;
            }  
        }
        
        SDL_SetRenderDrawColor(renderer, 255, 255, 255, 255); // Window background color.
        SDL_RenderClear(renderer);                            // Clears the buffer.
        SDL_RenderPresent(renderer);                          // Updates the render.
    }
    
    SDL_DestroyRenderer(renderer);
    SDL_DestroyWindow(window);
    SDL_Quit();

    return 0;
}