umult64(3diet)

umult643diet

Integer multiplication with overflow checking

Usage

#include <safemult.h>

int umult64(uint64 a,uint64 b,uint64* c);

Overview

umult64 does c=a*b and returns 1.

In case of an integer overflow, umult64 leaves c alone and returns 0.

Releases

Unchanged in 4 releases since Debian 3.1 (Sarge).

  1. 3.1–6.0

From libowfat-dev 0.28-2 in Debian 6.0 (Squeeze). Parsed by carta from the page's man source.