(This is the documentation for SDL3, which is under heavy development and the API is changing! SDL2 is the current stable version!)

SDL_size_mul_check_overflow

Multiply two integers, checking for overflow.

Header File

Defined in <SDL3/SDL_stdinc.h>

Syntax

SDL_FORCE_INLINE SDL_bool SDL_size_mul_check_overflow(size_t a, size_t b, size_t *ret);

Function Parameters

size_t	a	the multiplicand.
size_t	b	the multiplier.
size_t *	ret	on non-overflow output, stores the multiplication result. May not be NULL.

Return Value

(SDL_bool) Returns SDL_FALSE on overflow, SDL_TRUE if result is multiplied without overflow.

Remarks

If a * b would overflow, return SDL_FALSE.

Otherwise store a * b via ret and return SDL_TRUE.

Thread Safety

It is safe to call this function from any thread.

Version

This function is available since SDL 3.0.0.

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CategoryAPI, CategoryAPIFunction, CategoryStdinc

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