NAME
SDL_NULL_WHILE_LOOP_CONDITION - A macro for wrapping code in do{}while(0); without compiler warnings.
HEADER FILE
Defined in SDL3/SDL_assert.h
SYNOPSIS
#include "SDL3/SDL.h"
#define SDL_NULL_WHILE_LOOP_CONDITION (0)
DESCRIPTION
Visual Studio with really aggressive warnings enabled needs this to avoid compiler complaints.
the do{}while(0); trick is useful for wrapping code in a macro that may or may not be a single statement, to avoid various C language accidents.
To use:
-
do { SomethingOnce(); } while (SDL_NULL_WHILE_LOOP_CONDITION (0));
AVAILABILITY
This macro is available since SDL 3.2.0.