SDL_size_add_check_overflow - Man Page

Defined in SDL3/SDL_stdinc.h

#include "SDL3/SDL.h"

SDL_FORCE_INLINE bool SDL_size_add_check_overflow(size_t a, size_t b, size_t *ret);

If a+b would overflow, return false.

Otherwise store a+b via ret and return true.

a

the first addend.

b

the second addend.

ret

on non-overflow output, stores the addition result, may not be NULL.

Returns false on overflow, true if result is added without overflow.

It is safe to call this function from any thread.

This function is available since SDL 3.2.0.