(This is the documentation for SDL3, which is the current stable version. SDL2 was the previous version!)

SDL_size_add_check_overflow

Add two integers, checking for overflow.

Header File

Defined in <SDL3/SDL_stdinc.h>

Syntax

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 -1.

Otherwise store a + b via ret and return 0.

Thread Safety

It is safe to call this function from any thread.

Version

This function is available since SDL 3.1.3.

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CategoryAPI, CategoryAPIFunction, CategoryStdinc

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