# SDL_size_add_check_overflow Add two integers, checking for overflow. ## Header File Defined in [<SDL3/SDL_stdinc.h>](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_stdinc.h) ## Syntax ```c SDL_FORCE_INLINE bool SDL_size_add_check_overflow(size_t a, size_t b, size_t *ret); ``` ## Function Parameters | | | | | -------- | ------- | -------------------------------------------------------------------- | | size_t | **a** | the first addend. | | size_t | **b** | the second addend. | | size_t * | **ret** | on non-overflow output, stores the addition result, may not be NULL. | ## Return Value (bool) Returns false on overflow, true if result is added without overflow. ## Remarks If `a + b` would overflow, return false. Otherwise store `a + b` via ret and return true. ## Thread Safety It is safe to call this function from any thread. ## Version This function is available since SDL 3.2.0. ---- [CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction), [CategoryStdinc](CategoryStdinc)