drawButton doesn't return value anymore, and exit when there is an error

Pontu/include/engine/Button.h

@@ -39,9 +39,8 @@ P_Button createButton(SDL_Texture* texture, const int coordx, const int coordy,
  * \param[in]   renderer	the renderer you want to draw the button on
  * \param[in]   button	the button you want to draw
  * \pre At least text or texture must be defined, or an error will be printed in STDERR.
- * \return SDL_FALSE if the function failed, else SDL_TRUE
  */
-SDL_bool drawButtonOnRenderer(SDL_Renderer* renderer, const P_Button* button);
+void drawButtonOnRenderer(SDL_Renderer* renderer, const P_Button* button);
 
 /**
  * \brief Test if a point is on a button

Pontu/src/engine/Button.c

@@ -9,16 +9,20 @@ P_Button createButton(SDL_Texture* texture, const int coordx,
 	// Declarations
 	P_Button b = { .rect = { .x = coordx, .y = coordy, .w = sizex, .h = sizey }, .onClick = onClick };
 
-	assert(texture != NULL && "WARNING: Button created without texture");
+	assert(texture != NULL && "ERROR: Button created without texture");
 
 	b.texture = texture;
 
 	return b;
 }
 
-SDL_bool drawButtonOnRenderer(SDL_Renderer* renderer,const P_Button* button)
+void drawButtonOnRenderer(SDL_Renderer* renderer,const P_Button* button)
 {
-	return SDL_RenderCopy(renderer,button->texture,NULL,&(button->rect));
+	if(SDL_RenderCopy(renderer,button->texture,NULL,&(button->rect)))
+	{
+		fprintf(stderr,"Error: %s\n",SDL_GetError());
+		exit(1);
+	}
 }
 
 SDL_bool isHover(const P_Button button,const int x,const int y)