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

SDL_size_mul_check_overflow

Multiply two integers, checking for overflow.

Header File

Defined in <SDL3/SDL_stdinc.h>

Syntax

SDL_FORCE_INLINE 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

(bool) Returns false on overflow, true if result is multiplied 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 3.1.3.

---

CategoryAPI, CategoryAPIFunction, CategoryStdinc

[ front page | index | search | recent changes | git repo | offline html ]

All wiki content is licensed under Creative Commons Attribution 4.0 International (CC BY 4.0).
Wiki powered by ghwikipp.